174 | | int CbcOrClpRead_mode=1; |
175 | | FILE * CbcOrClpReadCommand=stdin; |
176 | | static bool noPrinting=false; |
177 | | static int * analyze(OsiClpSolverInterface * solverMod, int & numberChanged, double & increment, |
178 | | bool changeInt) |
179 | | { |
180 | | OsiSolverInterface * solver = solverMod->clone(); |
181 | | if (0) { |
182 | | // just get increment |
183 | | CbcModel model(*solver); |
184 | | model.analyzeObjective(); |
185 | | double increment2=model.getCutoffIncrement(); |
186 | | printf("initial cutoff increment %g\n",increment2); |
187 | | } |
188 | | const double *objective = solver->getObjCoefficients() ; |
189 | | const double *lower = solver->getColLower() ; |
190 | | const double *upper = solver->getColUpper() ; |
191 | | int numberColumns = solver->getNumCols() ; |
192 | | int numberRows = solver->getNumRows(); |
193 | | double direction = solver->getObjSense(); |
194 | | int iRow,iColumn; |
195 | | |
196 | | // Row copy |
197 | | CoinPackedMatrix matrixByRow(*solver->getMatrixByRow()); |
198 | | const double * elementByRow = matrixByRow.getElements(); |
199 | | const int * column = matrixByRow.getIndices(); |
200 | | const CoinBigIndex * rowStart = matrixByRow.getVectorStarts(); |
201 | | const int * rowLength = matrixByRow.getVectorLengths(); |
202 | | |
203 | | // Column copy |
204 | | CoinPackedMatrix matrixByCol(*solver->getMatrixByCol()); |
205 | | const double * element = matrixByCol.getElements(); |
206 | | const int * row = matrixByCol.getIndices(); |
207 | | const CoinBigIndex * columnStart = matrixByCol.getVectorStarts(); |
208 | | const int * columnLength = matrixByCol.getVectorLengths(); |
209 | | |
210 | | const double * rowLower = solver->getRowLower(); |
211 | | const double * rowUpper = solver->getRowUpper(); |
212 | | |
213 | | char * ignore = new char [numberRows]; |
214 | | int * changed = new int[numberColumns]; |
215 | | int * which = new int[numberRows]; |
216 | | double * changeRhs = new double[numberRows]; |
217 | | memset(changeRhs,0,numberRows*sizeof(double)); |
218 | | memset(ignore,0,numberRows); |
219 | | numberChanged=0; |
220 | | int numberInteger=0; |
221 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
222 | | if (upper[iColumn] > lower[iColumn]+1.0e-8&&solver->isInteger(iColumn)) |
223 | | numberInteger++; |
224 | | } |
225 | | bool finished=false; |
226 | | while (!finished) { |
227 | | int saveNumberChanged = numberChanged; |
228 | | for (iRow=0;iRow<numberRows;iRow++) { |
229 | | int numberContinuous=0; |
230 | | double value1=0.0,value2=0.0; |
231 | | bool allIntegerCoeff=true; |
232 | | double sumFixed=0.0; |
233 | | int jColumn1=-1,jColumn2=-1; |
234 | | for (CoinBigIndex j=rowStart[iRow];j<rowStart[iRow]+rowLength[iRow];j++) { |
235 | | int jColumn = column[j]; |
236 | | double value = elementByRow[j]; |
237 | | if (upper[jColumn] > lower[jColumn]+1.0e-8) { |
238 | | if (!solver->isInteger(jColumn)) { |
239 | | if (numberContinuous==0) { |
240 | | jColumn1=jColumn; |
241 | | value1=value; |
242 | | } else { |
243 | | jColumn2=jColumn; |
244 | | value2=value; |
245 | | } |
246 | | numberContinuous++; |
247 | | } else { |
248 | | if (fabs(value-floor(value+0.5))>1.0e-12) |
249 | | allIntegerCoeff=false; |
250 | | } |
251 | | } else { |
252 | | sumFixed += lower[jColumn]*value; |
253 | | } |
254 | | } |
255 | | double low = rowLower[iRow]; |
256 | | if (low>-1.0e20) { |
257 | | low -= sumFixed; |
258 | | if (fabs(low-floor(low+0.5))>1.0e-12) |
259 | | allIntegerCoeff=false; |
260 | | } |
261 | | double up = rowUpper[iRow]; |
262 | | if (up<1.0e20) { |
263 | | up -= sumFixed; |
264 | | if (fabs(up-floor(up+0.5))>1.0e-12) |
265 | | allIntegerCoeff=false; |
266 | | } |
267 | | if (!allIntegerCoeff) |
268 | | continue; // can't do |
269 | | if (numberContinuous==1) { |
270 | | // see if really integer |
271 | | // This does not allow for complicated cases |
272 | | if (low==up) { |
273 | | if (fabs(value1)>1.0e-3) { |
274 | | value1 = 1.0/value1; |
275 | | if (fabs(value1-floor(value1+0.5))<1.0e-12) { |
276 | | // integer |
277 | | changed[numberChanged++]=jColumn1; |
278 | | solver->setInteger(jColumn1); |
279 | | if (upper[jColumn1]>1.0e20) |
280 | | solver->setColUpper(jColumn1,1.0e20); |
281 | | if (lower[jColumn1]<-1.0e20) |
282 | | solver->setColLower(jColumn1,-1.0e20); |
283 | | } |
284 | | } |
285 | | } else { |
286 | | if (fabs(value1)>1.0e-3) { |
287 | | value1 = 1.0/value1; |
288 | | if (fabs(value1-floor(value1+0.5))<1.0e-12) { |
289 | | // This constraint will not stop it being integer |
290 | | ignore[iRow]=1; |
291 | | } |
292 | | } |
293 | | } |
294 | | } else if (numberContinuous==2) { |
295 | | if (low==up) { |
296 | | /* need general theory - for now just look at 2 cases - |
297 | | 1 - +- 1 one in column and just costs i.e. matching objective |
298 | | 2 - +- 1 two in column but feeds into G/L row which will try and minimize |
299 | | */ |
300 | | if (fabs(value1)==1.0&&value1*value2==-1.0&&!lower[jColumn1] |
301 | | &&!lower[jColumn2]) { |
302 | | int n=0; |
303 | | int i; |
304 | | double objChange=direction*(objective[jColumn1]+objective[jColumn2]); |
305 | | double bound = CoinMin(upper[jColumn1],upper[jColumn2]); |
306 | | bound = CoinMin(bound,1.0e20); |
307 | | for ( i=columnStart[jColumn1];i<columnStart[jColumn1]+columnLength[jColumn1];i++) { |
308 | | int jRow = row[i]; |
309 | | double value = element[i]; |
310 | | if (jRow!=iRow) { |
311 | | which[n++]=jRow; |
312 | | changeRhs[jRow]=value; |
313 | | } |
314 | | } |
315 | | for ( i=columnStart[jColumn1];i<columnStart[jColumn1]+columnLength[jColumn1];i++) { |
316 | | int jRow = row[i]; |
317 | | double value = element[i]; |
318 | | if (jRow!=iRow) { |
319 | | if (!changeRhs[jRow]) { |
320 | | which[n++]=jRow; |
321 | | changeRhs[jRow]=value; |
322 | | } else { |
323 | | changeRhs[jRow]+=value; |
324 | | } |
325 | | } |
326 | | } |
327 | | if (objChange>=0.0) { |
328 | | // see if all rows OK |
329 | | bool good=true; |
330 | | for (i=0;i<n;i++) { |
331 | | int jRow = which[i]; |
332 | | double value = changeRhs[jRow]; |
333 | | if (value) { |
334 | | value *= bound; |
335 | | if (rowLength[jRow]==1) { |
336 | | if (value>0.0) { |
337 | | double rhs = rowLower[jRow]; |
338 | | if (rhs>0.0) { |
339 | | double ratio =rhs/value; |
340 | | if (fabs(ratio-floor(ratio+0.5))>1.0e-12) |
341 | | good=false; |
342 | | } |
343 | | } else { |
344 | | double rhs = rowUpper[jRow]; |
345 | | if (rhs<0.0) { |
346 | | double ratio =rhs/value; |
347 | | if (fabs(ratio-floor(ratio+0.5))>1.0e-12) |
348 | | good=false; |
349 | | } |
350 | | } |
351 | | } else if (rowLength[jRow]==2) { |
352 | | if (value>0.0) { |
353 | | if (rowLower[jRow]>-1.0e20) |
354 | | good=false; |
355 | | } else { |
356 | | if (rowUpper[jRow]<1.0e20) |
357 | | good=false; |
358 | | } |
359 | | } else { |
360 | | good=false; |
361 | | } |
362 | | } |
363 | | } |
364 | | if (good) { |
365 | | // both can be integer |
366 | | changed[numberChanged++]=jColumn1; |
367 | | solver->setInteger(jColumn1); |
368 | | if (upper[jColumn1]>1.0e20) |
369 | | solver->setColUpper(jColumn1,1.0e20); |
370 | | if (lower[jColumn1]<-1.0e20) |
371 | | solver->setColLower(jColumn1,-1.0e20); |
372 | | changed[numberChanged++]=jColumn2; |
373 | | solver->setInteger(jColumn2); |
374 | | if (upper[jColumn2]>1.0e20) |
375 | | solver->setColUpper(jColumn2,1.0e20); |
376 | | if (lower[jColumn2]<-1.0e20) |
377 | | solver->setColLower(jColumn2,-1.0e20); |
378 | | } |
379 | | } |
380 | | // clear |
381 | | for (i=0;i<n;i++) { |
382 | | changeRhs[which[i]]=0.0; |
383 | | } |
384 | | } |
385 | | } |
386 | | } |
387 | | } |
388 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
389 | | if (upper[iColumn] > lower[iColumn]+1.0e-8&&!solver->isInteger(iColumn)) { |
390 | | double value; |
391 | | value = upper[iColumn]; |
392 | | if (value<1.0e20&&fabs(value-floor(value+0.5))>1.0e-12) |
393 | | continue; |
394 | | value = lower[iColumn]; |
395 | | if (value>-1.0e20&&fabs(value-floor(value+0.5))>1.0e-12) |
396 | | continue; |
397 | | bool integer=true; |
398 | | for (CoinBigIndex j=columnStart[iColumn];j<columnStart[iColumn]+columnLength[iColumn];j++) { |
399 | | int iRow = row[j]; |
400 | | if (!ignore[iRow]) { |
401 | | integer=false; |
402 | | break; |
403 | | } |
404 | | } |
405 | | if (integer) { |
406 | | // integer |
407 | | changed[numberChanged++]=iColumn; |
408 | | solver->setInteger(iColumn); |
409 | | if (upper[iColumn]>1.0e20) |
410 | | solver->setColUpper(iColumn,1.0e20); |
411 | | if (lower[iColumn]<-1.0e20) |
412 | | solver->setColLower(iColumn,-1.0e20); |
413 | | } |
414 | | } |
415 | | } |
416 | | finished = numberChanged==saveNumberChanged; |
417 | | } |
418 | | delete [] which; |
419 | | delete [] changeRhs; |
420 | | delete [] ignore; |
421 | | if (numberInteger&&!noPrinting) |
422 | | printf("%d integer variables",numberInteger); |
423 | | if (changeInt) { |
424 | | if (!noPrinting) { |
425 | | if (numberChanged) |
426 | | printf(" and %d variables made integer\n",numberChanged); |
427 | | else |
428 | | printf("\n"); |
429 | | } |
430 | | delete [] ignore; |
431 | | //increment=0.0; |
432 | | if (!numberChanged) { |
433 | | delete [] changed; |
434 | | delete solver; |
435 | | return NULL; |
436 | | } else { |
437 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
438 | | if (solver->isInteger(iColumn)) |
439 | | solverMod->setInteger(iColumn); |
440 | | } |
441 | | delete solver; |
442 | | return changed; |
443 | | } |
444 | | } else { |
445 | | if (!noPrinting) { |
446 | | if (numberChanged) |
447 | | printf(" and %d variables could be made integer\n",numberChanged); |
448 | | else |
449 | | printf("\n"); |
450 | | } |
451 | | // just get increment |
452 | | CbcModel model(*solver); |
453 | | if (noPrinting) |
454 | | model.setLogLevel(0); |
455 | | model.analyzeObjective(); |
456 | | double increment2=model.getCutoffIncrement(); |
457 | | if (increment2>increment&&increment2>0.0) { |
458 | | if (!noPrinting) |
459 | | printf("cutoff increment increased from %g to %g\n",increment,increment2); |
460 | | increment=increment2; |
461 | | } |
462 | | delete solver; |
463 | | numberChanged=0; |
464 | | delete [] changed; |
465 | | return NULL; |
466 | | } |
467 | | } |
468 | | #ifdef COIN_HAS_LINK |
469 | | /* Returns OsiSolverInterface (User should delete) |
470 | | On entry numberKnapsack is maximum number of Total entries |
471 | | */ |
472 | | static OsiSolverInterface * |
473 | | expandKnapsack(CoinModel & model, int * whichColumn, int * knapsackStart, |
474 | | int * knapsackRow, int &numberKnapsack, |
475 | | CglStored & stored, int logLevel, |
476 | | int fixedPriority, int SOSPriority) |
477 | | { |
478 | | int maxTotal = numberKnapsack; |
479 | | // load from coin model |
480 | | OsiSolverLink *si = new OsiSolverLink(); |
481 | | OsiSolverInterface * finalModel=NULL; |
482 | | si->setDefaultMeshSize(0.001); |
483 | | // need some relative granularity |
484 | | si->setDefaultBound(100.0); |
485 | | si->setDefaultMeshSize(0.01); |
486 | | si->setDefaultBound(100000.0); |
487 | | si->setIntegerPriority(1000); |
488 | | si->setBiLinearPriority(10000); |
489 | | si->load(model,true,logLevel); |
490 | | // get priorities |
491 | | const int * priorities=model.priorities(); |
492 | | int numberColumns = model.numberColumns(); |
493 | | if (priorities) { |
494 | | OsiObject ** objects = si->objects(); |
495 | | int numberObjects = si->numberObjects(); |
496 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
497 | | int iColumn = objects[iObj]->columnNumber(); |
498 | | if (iColumn>=0&&iColumn<numberColumns) { |
499 | | OsiSimpleInteger * obj = |
500 | | dynamic_cast <OsiSimpleInteger *>(objects[iObj]) ; |
501 | | assert (obj); |
502 | | int iPriority = priorities[iColumn]; |
503 | | if (iPriority>0) |
504 | | objects[iObj]->setPriority(iPriority); |
505 | | } |
506 | | } |
507 | | if (fixedPriority>0) { |
508 | | si->setFixedPriority(fixedPriority); |
509 | | } |
510 | | if (SOSPriority<0) |
511 | | SOSPriority=100000; |
512 | | } |
513 | | CoinModel coinModel=*si->coinModel(); |
514 | | assert(coinModel.numberRows()>0); |
515 | | int numberRows = coinModel.numberRows(); |
516 | | // Mark variables |
517 | | int * whichKnapsack = new int [numberColumns]; |
518 | | int iRow,iColumn; |
519 | | for (iColumn=0;iColumn<numberColumns;iColumn++) |
520 | | whichKnapsack[iColumn]=-1; |
521 | | int kRow; |
522 | | bool badModel=false; |
523 | | // analyze |
524 | | if (logLevel>1) { |
525 | | for (iRow=0;iRow<numberRows;iRow++) { |
526 | | /* Just obvious one at first |
527 | | positive non unit coefficients |
528 | | all integer |
529 | | positive rowUpper |
530 | | for now - linear (but further down in code may use nonlinear) |
531 | | column bounds should be tight |
532 | | */ |
533 | | //double lower = coinModel.getRowLower(iRow); |
534 | | double upper = coinModel.getRowUpper(iRow); |
535 | | if (upper<1.0e10) { |
536 | | CoinModelLink triple=coinModel.firstInRow(iRow); |
537 | | bool possible=true; |
538 | | int n=0; |
539 | | int n1=0; |
540 | | while (triple.column()>=0) { |
541 | | int iColumn = triple.column(); |
542 | | const char * el = coinModel.getElementAsString(iRow,iColumn); |
543 | | if (!strcmp("Numeric",el)) { |
544 | | if (coinModel.columnLower(iColumn)==coinModel.columnUpper(iColumn)) { |
545 | | triple=coinModel.next(triple); |
546 | | continue; // fixed |
547 | | } |
548 | | double value=coinModel.getElement(iRow,iColumn); |
549 | | if (value<0.0) { |
550 | | possible=false; |
551 | | } else { |
552 | | n++; |
553 | | if (value==1.0) |
554 | | n1++; |
555 | | if (coinModel.columnLower(iColumn)<0.0) |
556 | | possible=false; |
557 | | if (!coinModel.isInteger(iColumn)) |
558 | | possible=false; |
559 | | if (whichKnapsack[iColumn]>=0) |
560 | | possible=false; |
561 | | } |
562 | | } else { |
563 | | possible=false; // non linear |
564 | | } |
565 | | triple=coinModel.next(triple); |
566 | | } |
567 | | if (n-n1>1&&possible) { |
568 | | double lower = coinModel.getRowLower(iRow); |
569 | | double upper = coinModel.getRowUpper(iRow); |
570 | | CoinModelLink triple=coinModel.firstInRow(iRow); |
571 | | while (triple.column()>=0) { |
572 | | int iColumn = triple.column(); |
573 | | lower -= coinModel.columnLower(iColumn)*triple.value(); |
574 | | upper -= coinModel.columnLower(iColumn)*triple.value(); |
575 | | triple=coinModel.next(triple); |
576 | | } |
577 | | printf("%d is possible %g <=",iRow,lower); |
578 | | // print |
579 | | triple=coinModel.firstInRow(iRow); |
580 | | while (triple.column()>=0) { |
581 | | int iColumn = triple.column(); |
582 | | if (coinModel.columnLower(iColumn)!=coinModel.columnUpper(iColumn)) |
583 | | printf(" (%d,el %g up %g)",iColumn,triple.value(), |
584 | | coinModel.columnUpper(iColumn)-coinModel.columnLower(iColumn)); |
585 | | triple=coinModel.next(triple); |
586 | | } |
587 | | printf(" <= %g\n",upper); |
588 | | } |
589 | | } |
590 | | } |
591 | | } |
592 | | numberKnapsack=0; |
593 | | for (kRow=0;kRow<numberRows;kRow++) { |
594 | | iRow=kRow; |
595 | | /* Just obvious one at first |
596 | | positive non unit coefficients |
597 | | all integer |
598 | | positive rowUpper |
599 | | for now - linear (but further down in code may use nonlinear) |
600 | | column bounds should be tight |
601 | | */ |
602 | | //double lower = coinModel.getRowLower(iRow); |
603 | | double upper = coinModel.getRowUpper(iRow); |
604 | | if (upper<1.0e10) { |
605 | | CoinModelLink triple=coinModel.firstInRow(iRow); |
606 | | bool possible=true; |
607 | | int n=0; |
608 | | int n1=0; |
609 | | while (triple.column()>=0) { |
610 | | int iColumn = triple.column(); |
611 | | const char * el = coinModel.getElementAsString(iRow,iColumn); |
612 | | if (!strcmp("Numeric",el)) { |
613 | | if (coinModel.columnLower(iColumn)==coinModel.columnUpper(iColumn)) { |
614 | | triple=coinModel.next(triple); |
615 | | continue; // fixed |
616 | | } |
617 | | double value=coinModel.getElement(iRow,iColumn); |
618 | | if (value<0.0) { |
619 | | possible=false; |
620 | | } else { |
621 | | n++; |
622 | | if (value==1.0) |
623 | | n1++; |
624 | | if (coinModel.columnLower(iColumn)<0.0) |
625 | | possible=false; |
626 | | if (!coinModel.isInteger(iColumn)) |
627 | | possible=false; |
628 | | if (whichKnapsack[iColumn]>=0) |
629 | | possible=false; |
630 | | } |
631 | | } else { |
632 | | possible=false; // non linear |
633 | | } |
634 | | triple=coinModel.next(triple); |
635 | | } |
636 | | if (n-n1>1&&possible) { |
637 | | // try |
638 | | CoinModelLink triple=coinModel.firstInRow(iRow); |
639 | | while (triple.column()>=0) { |
640 | | int iColumn = triple.column(); |
641 | | if (coinModel.columnLower(iColumn)!=coinModel.columnUpper(iColumn)) |
642 | | whichKnapsack[iColumn]=numberKnapsack; |
643 | | triple=coinModel.next(triple); |
644 | | } |
645 | | knapsackRow[numberKnapsack++]=iRow; |
646 | | } |
647 | | } |
648 | | } |
649 | | if (logLevel>0) |
650 | | printf("%d out of %d candidate rows are possible\n",numberKnapsack,numberRows); |
651 | | // Check whether we can get rid of nonlinearities |
652 | | /* mark rows |
653 | | -2 in knapsack and other variables |
654 | | -1 not involved |
655 | | n only in knapsack n |
656 | | */ |
657 | | int * markRow = new int [numberRows]; |
658 | | for (iRow=0;iRow<numberRows;iRow++) |
659 | | markRow[iRow]=-1; |
660 | | int canDo=1; // OK and linear |
661 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
662 | | CoinModelLink triple=coinModel.firstInColumn(iColumn); |
663 | | int iKnapsack = whichKnapsack[iColumn]; |
664 | | bool linear=true; |
665 | | // See if quadratic objective |
666 | | const char * expr = coinModel.getColumnObjectiveAsString(iColumn); |
667 | | if (strcmp(expr,"Numeric")) { |
668 | | linear=false; |
669 | | } |
670 | | while (triple.row()>=0) { |
671 | | int iRow = triple.row(); |
672 | | if (iKnapsack>=0) { |
673 | | if (markRow[iRow]==-1) { |
674 | | markRow[iRow]=iKnapsack; |
675 | | } else if (markRow[iRow]!=iKnapsack) { |
676 | | markRow[iRow]=-2; |
677 | | } |
678 | | } |
679 | | const char * expr = coinModel.getElementAsString(iRow,iColumn); |
680 | | if (strcmp(expr,"Numeric")) { |
681 | | linear=false; |
682 | | } |
683 | | triple=coinModel.next(triple); |
684 | | } |
685 | | if (!linear) { |
686 | | if (whichKnapsack[iColumn]<0) { |
687 | | canDo=0; |
688 | | break; |
689 | | } else { |
690 | | canDo=2; |
691 | | } |
692 | | } |
693 | | } |
694 | | int * markKnapsack = NULL; |
695 | | double * coefficient = NULL; |
696 | | double * linear = NULL; |
697 | | int * whichRow = NULL; |
698 | | int * lookupRow = NULL; |
699 | | badModel=(canDo==0); |
700 | | if (numberKnapsack&&canDo) { |
701 | | /* double check - OK if |
702 | | no nonlinear |
703 | | nonlinear only on columns in knapsack |
704 | | nonlinear only on columns in knapsack * ONE other - same for all in knapsack |
705 | | AND that is only row connected to knapsack |
706 | | (theoretically could split knapsack if two other and small numbers) |
707 | | also ONE could be ONE expression - not just a variable |
708 | | */ |
709 | | int iKnapsack; |
710 | | markKnapsack = new int [numberKnapsack]; |
711 | | coefficient = new double [numberKnapsack]; |
712 | | linear = new double [numberColumns]; |
713 | | for (iKnapsack=0;iKnapsack<numberKnapsack;iKnapsack++) |
714 | | markKnapsack[iKnapsack]=-1; |
715 | | if (canDo==2) { |
716 | | for (iRow=-1;iRow<numberRows;iRow++) { |
717 | | int numberOdd; |
718 | | CoinPackedMatrix * row = coinModel.quadraticRow(iRow,linear,numberOdd); |
719 | | if (row) { |
720 | | // see if valid |
721 | | const double * element = row->getElements(); |
722 | | const int * column = row->getIndices(); |
723 | | const CoinBigIndex * columnStart = row->getVectorStarts(); |
724 | | const int * columnLength = row->getVectorLengths(); |
725 | | int numberLook = row->getNumCols(); |
726 | | for (int i=0;i<numberLook;i++) { |
727 | | int iKnapsack=whichKnapsack[i]; |
728 | | if (iKnapsack<0) { |
729 | | // might be able to swap - but for now can't have knapsack in |
730 | | for (int j=columnStart[i];j<columnStart[i]+columnLength[i];j++) { |
731 | | int iColumn = column[j]; |
732 | | if (whichKnapsack[iColumn]>=0) { |
733 | | canDo=0; // no good |
734 | | badModel=true; |
735 | | break; |
736 | | } |
737 | | } |
738 | | } else { |
739 | | // OK if in same knapsack - or maybe just one |
740 | | int marked=markKnapsack[iKnapsack]; |
741 | | for (int j=columnStart[i];j<columnStart[i]+columnLength[i];j++) { |
742 | | int iColumn = column[j]; |
743 | | if (whichKnapsack[iColumn]!=iKnapsack&&whichKnapsack[iColumn]>=0) { |
744 | | canDo=0; // no good |
745 | | badModel=true; |
746 | | break; |
747 | | } else if (marked==-1) { |
748 | | markKnapsack[iKnapsack]=iColumn; |
749 | | marked=iColumn; |
750 | | coefficient[iKnapsack]=element[j]; |
751 | | coinModel.associateElement(coinModel.columnName(iColumn),1.0); |
752 | | } else if (marked!=iColumn) { |
753 | | badModel=true; |
754 | | canDo=0; // no good |
755 | | break; |
756 | | } else { |
757 | | // could manage with different coefficients - but for now ... |
758 | | assert(coefficient[iKnapsack]==element[j]); |
759 | | } |
760 | | } |
761 | | } |
762 | | } |
763 | | delete row; |
764 | | } |
765 | | } |
766 | | } |
767 | | if (canDo) { |
768 | | // for any rows which are cuts |
769 | | whichRow = new int [numberRows]; |
770 | | lookupRow = new int [numberRows]; |
771 | | bool someNonlinear=false; |
772 | | double maxCoefficient=1.0; |
773 | | for (iKnapsack=0;iKnapsack<numberKnapsack;iKnapsack++) { |
774 | | if (markKnapsack[iKnapsack]>=0) { |
775 | | someNonlinear=true; |
776 | | int iColumn = markKnapsack[iKnapsack]; |
777 | | maxCoefficient = CoinMax(maxCoefficient,fabs(coefficient[iKnapsack]*coinModel.columnUpper(iColumn))); |
778 | | } |
779 | | } |
780 | | if (someNonlinear) { |
781 | | // associate all columns to stop possible error messages |
782 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
783 | | coinModel.associateElement(coinModel.columnName(iColumn),1.0); |
784 | | } |
785 | | } |
786 | | ClpSimplex tempModel; |
787 | | tempModel.loadProblem(coinModel); |
788 | | // Create final model - first without knapsacks |
789 | | int nCol=0; |
790 | | int nRow=0; |
791 | | for (iRow=0;iRow<numberRows;iRow++) { |
792 | | if (markRow[iRow]<0) { |
793 | | lookupRow[iRow]=nRow; |
794 | | whichRow[nRow++]=iRow; |
795 | | } else { |
796 | | lookupRow[iRow]=-1; |
797 | | } |
798 | | } |
799 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
800 | | if (whichKnapsack[iColumn]<0) |
801 | | whichColumn[nCol++]=iColumn; |
802 | | } |
803 | | ClpSimplex finalModelX(&tempModel,nRow,whichRow,nCol,whichColumn,false,false,false); |
804 | | OsiClpSolverInterface finalModelY(&finalModelX,true); |
805 | | finalModel = finalModelY.clone(); |
806 | | finalModelY.releaseClp(); |
807 | | // Put back priorities |
808 | | const int * priorities=model.priorities(); |
809 | | if (priorities) { |
810 | | finalModel->findIntegers(false); |
811 | | OsiObject ** objects = finalModel->objects(); |
812 | | int numberObjects = finalModel->numberObjects(); |
813 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
814 | | int iColumn = objects[iObj]->columnNumber(); |
815 | | if (iColumn>=0&&iColumn<nCol) { |
816 | | OsiSimpleInteger * obj = |
817 | | dynamic_cast <OsiSimpleInteger *>(objects[iObj]) ; |
818 | | assert (obj); |
819 | | int iPriority = priorities[whichColumn[iColumn]]; |
820 | | if (iPriority>0) |
821 | | objects[iObj]->setPriority(iPriority); |
822 | | } |
823 | | } |
824 | | } |
825 | | for (iRow=0;iRow<numberRows;iRow++) { |
826 | | whichRow[iRow]=iRow; |
827 | | } |
828 | | int numberOther=finalModel->getNumCols(); |
829 | | int nLargest=0; |
830 | | int nelLargest=0; |
831 | | int nTotal=0; |
832 | | for (iKnapsack=0;iKnapsack<numberKnapsack;iKnapsack++) { |
833 | | iRow = knapsackRow[iKnapsack]; |
834 | | int nCreate = maxTotal; |
835 | | int nelCreate=coinModel.expandKnapsack(iRow,nCreate,NULL,NULL,NULL,NULL); |
836 | | if (nelCreate<0) |
837 | | badModel=true; |
838 | | nTotal+=nCreate; |
839 | | nLargest = CoinMax(nLargest,nCreate); |
840 | | nelLargest = CoinMax(nelLargest,nelCreate); |
841 | | } |
842 | | if (nTotal>maxTotal) |
843 | | badModel=true; |
844 | | if (!badModel) { |
845 | | // Now arrays for building |
846 | | nelLargest = CoinMax(nelLargest,nLargest)+1; |
847 | | double * buildObj = new double [nLargest]; |
848 | | double * buildElement = new double [nelLargest]; |
849 | | int * buildStart = new int[nLargest+1]; |
850 | | int * buildRow = new int[nelLargest]; |
851 | | // alow for integers in knapsacks |
852 | | OsiObject ** object = new OsiObject * [numberKnapsack+nTotal]; |
853 | | int nSOS=0; |
854 | | int nObj=numberKnapsack; |
855 | | for (iKnapsack=0;iKnapsack<numberKnapsack;iKnapsack++) { |
856 | | knapsackStart[iKnapsack]=finalModel->getNumCols(); |
857 | | iRow = knapsackRow[iKnapsack]; |
858 | | int nCreate = 10000; |
859 | | coinModel.expandKnapsack(iRow,nCreate,buildObj,buildStart,buildRow,buildElement); |
860 | | // Redo row numbers |
861 | | for (iColumn=0;iColumn<nCreate;iColumn++) { |
862 | | for (int j=buildStart[iColumn];j<buildStart[iColumn+1];j++) { |
863 | | int jRow=buildRow[j]; |
864 | | jRow=lookupRow[jRow]; |
865 | | assert (jRow>=0&&jRow<nRow); |
866 | | buildRow[j]=jRow; |
867 | | } |
868 | | } |
869 | | finalModel->addCols(nCreate,buildStart,buildRow,buildElement,NULL,NULL,buildObj); |
870 | | int numberFinal=finalModel->getNumCols(); |
871 | | for (iColumn=numberOther;iColumn<numberFinal;iColumn++) { |
872 | | if (markKnapsack[iKnapsack]<0) { |
873 | | finalModel->setColUpper(iColumn,maxCoefficient); |
874 | | finalModel->setInteger(iColumn); |
875 | | } else { |
876 | | finalModel->setColUpper(iColumn,maxCoefficient+1.0); |
877 | | finalModel->setInteger(iColumn); |
878 | | } |
879 | | OsiSimpleInteger * sosObject = new OsiSimpleInteger(finalModel,iColumn); |
880 | | sosObject->setPriority(1000000); |
881 | | object[nObj++]=sosObject; |
882 | | buildRow[iColumn-numberOther]=iColumn; |
883 | | buildElement[iColumn-numberOther]=1.0; |
884 | | } |
885 | | if (markKnapsack[iKnapsack]<0) { |
886 | | // convexity row |
887 | | finalModel->addRow(numberFinal-numberOther,buildRow,buildElement,1.0,1.0); |
888 | | } else { |
889 | | int iColumn = markKnapsack[iKnapsack]; |
890 | | int n=numberFinal-numberOther; |
891 | | buildRow[n]=iColumn; |
892 | | buildElement[n++]=-fabs(coefficient[iKnapsack]); |
893 | | // convexity row (sort of) |
894 | | finalModel->addRow(n,buildRow,buildElement,0.0,0.0); |
895 | | OsiSOS * sosObject = new OsiSOS(finalModel,n-1,buildRow,NULL,1); |
896 | | sosObject->setPriority(iKnapsack+SOSPriority); |
897 | | // Say not integral even if is (switch off heuristics) |
898 | | sosObject->setIntegerValued(false); |
899 | | object[nSOS++]=sosObject; |
900 | | } |
901 | | numberOther=numberFinal; |
902 | | } |
903 | | finalModel->addObjects(nObj,object); |
904 | | for (iKnapsack=0;iKnapsack<nObj;iKnapsack++) |
905 | | delete object[iKnapsack]; |
906 | | delete [] object; |
907 | | // Can we move any rows to cuts |
908 | | const int * cutMarker = coinModel.cutMarker(); |
909 | | if (cutMarker&&0) { |
910 | | printf("AMPL CUTS OFF until global cuts fixed\n"); |
911 | | cutMarker=NULL; |
912 | | } |
913 | | if (cutMarker) { |
914 | | // Row copy |
915 | | const CoinPackedMatrix * matrixByRow = finalModel->getMatrixByRow(); |
916 | | const double * elementByRow = matrixByRow->getElements(); |
917 | | const int * column = matrixByRow->getIndices(); |
918 | | const CoinBigIndex * rowStart = matrixByRow->getVectorStarts(); |
919 | | const int * rowLength = matrixByRow->getVectorLengths(); |
920 | | |
921 | | const double * rowLower = finalModel->getRowLower(); |
922 | | const double * rowUpper = finalModel->getRowUpper(); |
923 | | int nDelete=0; |
924 | | for (iRow=0;iRow<numberRows;iRow++) { |
925 | | if (cutMarker[iRow]&&lookupRow[iRow]>=0) { |
926 | | int jRow=lookupRow[iRow]; |
927 | | whichRow[nDelete++]=jRow; |
928 | | int start = rowStart[jRow]; |
929 | | stored.addCut(rowLower[jRow],rowUpper[jRow], |
930 | | rowLength[jRow],column+start,elementByRow+start); |
931 | | } |
932 | | } |
933 | | finalModel->deleteRows(nDelete,whichRow); |
934 | | } |
935 | | knapsackStart[numberKnapsack]=finalModel->getNumCols(); |
936 | | delete [] buildObj; |
937 | | delete [] buildElement; |
938 | | delete [] buildStart; |
939 | | delete [] buildRow; |
940 | | finalModel->writeMps("full"); |
941 | | } |
942 | | } |
943 | | } |
944 | | delete [] whichKnapsack; |
945 | | delete [] markRow; |
946 | | delete [] markKnapsack; |
947 | | delete [] coefficient; |
948 | | delete [] linear; |
949 | | delete [] whichRow; |
950 | | delete [] lookupRow; |
951 | | delete si; |
952 | | si=NULL; |
953 | | if (!badModel) { |
954 | | return finalModel; |
955 | | } else { |
956 | | delete finalModel; |
957 | | return NULL; |
958 | | } |
959 | | } |
960 | | // Fills in original solution (coinModel length) |
961 | | static void |
962 | | afterKnapsack(const CoinModel & coinModel2, const int * whichColumn, const int * knapsackStart, |
963 | | const int * knapsackRow, int numberKnapsack, |
964 | | const double * knapsackSolution, double * solution, int logLevel) |
965 | | { |
966 | | CoinModel coinModel = coinModel2; |
967 | | int numberColumns = coinModel.numberColumns(); |
968 | | int iColumn; |
969 | | // associate all columns to stop possible error messages |
970 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
971 | | coinModel.associateElement(coinModel.columnName(iColumn),1.0); |
972 | | } |
973 | | CoinZeroN(solution,numberColumns); |
974 | | int nCol=knapsackStart[0]; |
975 | | for (iColumn=0;iColumn<nCol;iColumn++) { |
976 | | int jColumn = whichColumn[iColumn]; |
977 | | solution[jColumn]=knapsackSolution[iColumn]; |
978 | | } |
979 | | int * buildRow = new int [numberColumns]; // wild overkill |
980 | | double * buildElement = new double [numberColumns]; |
981 | | int iKnapsack; |
982 | | for (iKnapsack=0;iKnapsack<numberKnapsack;iKnapsack++) { |
983 | | int k=-1; |
984 | | double value=0.0; |
985 | | for (iColumn=knapsackStart[iKnapsack];iColumn<knapsackStart[iKnapsack+1];iColumn++) { |
986 | | if (knapsackSolution[iColumn]>1.0e-5) { |
987 | | if (k>=0) { |
988 | | printf("Two nonzero values for knapsack %d at (%d,%g) and (%d,%g)\n",iKnapsack, |
989 | | k,knapsackSolution[k],iColumn,knapsackSolution[iColumn]); |
990 | | abort(); |
991 | | } |
992 | | k=iColumn; |
993 | | value=floor(knapsackSolution[iColumn]+0.5); |
994 | | assert (fabs(value-knapsackSolution[iColumn])<1.0e-5); |
995 | | } |
996 | | } |
997 | | if (k>=0) { |
998 | | int iRow = knapsackRow[iKnapsack]; |
999 | | int nCreate = 10000; |
1000 | | int nel=coinModel.expandKnapsack(iRow,nCreate,NULL,NULL,buildRow,buildElement,k-knapsackStart[iKnapsack]); |
1001 | | assert (nel); |
1002 | | if (logLevel>0) |
1003 | | printf("expanded column %d in knapsack %d has %d nonzero entries:\n", |
1004 | | k-knapsackStart[iKnapsack],iKnapsack,nel); |
1005 | | for (int i=0;i<nel;i++) { |
1006 | | int jColumn = buildRow[i]; |
1007 | | double value = buildElement[i]; |
1008 | | if (logLevel>0) |
1009 | | printf("%d - original %d has value %g\n",i,jColumn,value); |
1010 | | solution[jColumn]=value; |
1011 | | } |
1012 | | } |
1013 | | } |
1014 | | delete [] buildRow; |
1015 | | delete [] buildElement; |
1016 | | #if 0 |
1017 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
1018 | | if (solution[iColumn]>1.0e-5&&coinModel.isInteger(iColumn)) |
1019 | | printf("%d %g\n",iColumn,solution[iColumn]); |
1020 | | } |
1021 | | #endif |
1022 | | } |
1023 | | #endif |
1024 | | static int outDupRow(OsiSolverInterface * solver) |
1025 | | { |
1026 | | CglDuplicateRow dupCuts(solver); |
1027 | | CglTreeInfo info; |
1028 | | info.level = 0; |
1029 | | info.pass = 0; |
1030 | | int numberRows = solver->getNumRows(); |
1031 | | info.formulation_rows = numberRows; |
1032 | | info.inTree = false; |
1033 | | info.strengthenRow= NULL; |
1034 | | info.pass = 0; |
1035 | | OsiCuts cs; |
1036 | | dupCuts.generateCuts(*solver,cs,info); |
1037 | | const int * duplicate = dupCuts.duplicate(); |
1038 | | // Get rid of duplicate rows |
1039 | | int * which = new int[numberRows]; |
1040 | | int numberDrop=0; |
1041 | | for (int iRow=0;iRow<numberRows;iRow++) { |
1042 | | if (duplicate[iRow]==-2||duplicate[iRow]>=0) |
1043 | | which[numberDrop++]=iRow; |
1044 | | } |
1045 | | if (numberDrop) { |
1046 | | solver->deleteRows(numberDrop,which); |
1047 | | } |
1048 | | delete [] which; |
1049 | | // see if we have any column cuts |
1050 | | int numberColumnCuts = cs.sizeColCuts() ; |
1051 | | const double * columnLower = solver->getColLower(); |
1052 | | const double * columnUpper = solver->getColUpper(); |
1053 | | for (int k = 0;k<numberColumnCuts;k++) { |
1054 | | OsiColCut * thisCut = cs.colCutPtr(k) ; |
1055 | | const CoinPackedVector & lbs = thisCut->lbs() ; |
1056 | | const CoinPackedVector & ubs = thisCut->ubs() ; |
1057 | | int j ; |
1058 | | int n ; |
1059 | | const int * which ; |
1060 | | const double * values ; |
1061 | | n = lbs.getNumElements() ; |
1062 | | which = lbs.getIndices() ; |
1063 | | values = lbs.getElements() ; |
1064 | | for (j = 0;j<n;j++) { |
1065 | | int iColumn = which[j] ; |
1066 | | if (values[j]>columnLower[iColumn]) |
1067 | | solver->setColLower(iColumn,values[j]) ; |
1068 | | } |
1069 | | n = ubs.getNumElements() ; |
1070 | | which = ubs.getIndices() ; |
1071 | | values = ubs.getElements() ; |
1072 | | for (j = 0;j<n;j++) { |
1073 | | int iColumn = which[j] ; |
1074 | | if (values[j]<columnUpper[iColumn]) |
1075 | | solver->setColUpper(iColumn,values[j]) ; |
1076 | | } |
1077 | | } |
1078 | | return numberDrop; |
1079 | | } |
1080 | | void checkSOS(CbcModel * babModel, const OsiSolverInterface * solver) |
1081 | | { |
1082 | | #ifdef COIN_DEVELOP |
1083 | | if (!babModel->ownObjects()) |
1084 | | return; |
1085 | | //const double *objective = solver->getObjCoefficients() ; |
1086 | | const double *columnLower = solver->getColLower() ; |
1087 | | const double * columnUpper = solver->getColUpper() ; |
1088 | | const double * solution = solver->getColSolution(); |
1089 | | //int numberColumns = solver->getNumCols() ; |
1090 | | //int numberRows = solver->getNumRows(); |
1091 | | //double direction = solver->getObjSense(); |
1092 | | //int iRow,iColumn; |
1093 | | |
1094 | | // Row copy |
1095 | | CoinPackedMatrix matrixByRow(*solver->getMatrixByRow()); |
1096 | | //const double * elementByRow = matrixByRow.getElements(); |
1097 | | //const int * column = matrixByRow.getIndices(); |
1098 | | //const CoinBigIndex * rowStart = matrixByRow.getVectorStarts(); |
1099 | | const int * rowLength = matrixByRow.getVectorLengths(); |
1100 | | |
1101 | | // Column copy |
1102 | | CoinPackedMatrix matrixByCol(*solver->getMatrixByCol()); |
1103 | | const double * element = matrixByCol.getElements(); |
1104 | | const int * row = matrixByCol.getIndices(); |
1105 | | const CoinBigIndex * columnStart = matrixByCol.getVectorStarts(); |
1106 | | const int * columnLength = matrixByCol.getVectorLengths(); |
1107 | | |
1108 | | const double * rowLower = solver->getRowLower(); |
1109 | | const double * rowUpper = solver->getRowUpper(); |
1110 | | OsiObject ** objects = babModel->objects(); |
1111 | | int numberObjects = babModel->numberObjects(); |
1112 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
1113 | | CbcSOS * objSOS = |
1114 | | dynamic_cast <CbcSOS *>(objects[iObj]) ; |
1115 | | if (objSOS) { |
1116 | | int n=objSOS->numberMembers(); |
1117 | | const int * which = objSOS->members(); |
1118 | | const double * weight = objSOS->weights(); |
1119 | | int type = objSOS->sosType(); |
1120 | | // convexity row? |
1121 | | int iColumn; |
1122 | | iColumn=which[0]; |
1123 | | int j; |
1124 | | int convex=-1; |
1125 | | for (j=columnStart[iColumn];j<columnStart[iColumn]+columnLength[iColumn];j++) { |
1126 | | int iRow = row[j]; |
1127 | | double value = element[j]; |
1128 | | if (rowLower[iRow]==1.0&&rowUpper[iRow]==1.0&& |
1129 | | value==1.0) { |
1130 | | // possible |
1131 | | if (rowLength[iRow]==n) { |
1132 | | if (convex==-1) |
1133 | | convex=iRow; |
1134 | | else |
1135 | | convex=-2; |
1136 | | } |
1137 | | } |
1138 | | } |
1139 | | printf ("set %d of type %d has %d members - possible convexity row %d\n", |
1140 | | iObj,type,n,convex); |
1141 | | for (int i=0;i<n;i++) { |
1142 | | iColumn = which[i]; |
1143 | | int convex2=-1; |
1144 | | for (j=columnStart[iColumn];j<columnStart[iColumn]+columnLength[iColumn];j++) { |
1145 | | int iRow = row[j]; |
1146 | | if (iRow==convex) { |
1147 | | double value = element[j]; |
1148 | | if (value==1.0) { |
1149 | | convex2=iRow; |
1150 | | } |
1151 | | } |
1152 | | } |
1153 | | if (convex2<0&&convex>=0) { |
1154 | | printf("odd convexity row\n"); |
1155 | | convex=-2; |
1156 | | } |
1157 | | printf("col %d has weight %g and value %g, bounds %g %g\n", |
1158 | | iColumn,weight[i],solution[iColumn],columnLower[iColumn], |
1159 | | columnUpper[iColumn]); |
1160 | | } |
1161 | | } |
1162 | | } |
1163 | | #endif |
1164 | | } |
1167 | | /* Note |
1168 | | This is meant as a stand-alone executable to do as much of coin as possible. |
1169 | | It should only have one solver known to it. |
1170 | | */ |
1171 | | { |
1172 | | double time1 = CoinCpuTime(),time2; |
1173 | | bool goodModel=false; |
1174 | | CoinSighandler_t saveSignal=SIG_DFL; |
1175 | | // register signal handler |
1176 | | saveSignal = signal(SIGINT,signal_handler); |
1177 | | // Set up all non-standard stuff |
1178 | | OsiClpSolverInterface solver1; |
1179 | | CbcModel model(solver1); |
1180 | | CbcModel * babModel = NULL; |
1181 | | model.setNumberBeforeTrust(21); |
1182 | | int cutPass=-1234567; |
1183 | | int tunePreProcess=5; |
1184 | | int testOsiParameters=-1; |
1185 | | // 0 normal, 1 from ampl or MIQP etc (2 allows cuts) |
1186 | | int complicatedInteger=0; |
1187 | | OsiSolverInterface * solver = model.solver(); |
1188 | | OsiClpSolverInterface * clpSolver = dynamic_cast< OsiClpSolverInterface*> (solver); |
1189 | | ClpSimplex * lpSolver = clpSolver->getModelPtr(); |
1190 | | clpSolver->messageHandler()->setLogLevel(0) ; |
1191 | | model.messageHandler()->setLogLevel(1); |
1192 | | // For priorities etc |
1193 | | int * priorities=NULL; |
1194 | | int * branchDirection=NULL; |
1195 | | double * pseudoDown=NULL; |
1196 | | double * pseudoUp=NULL; |
1197 | | double * solutionIn = NULL; |
1198 | | int * prioritiesIn = NULL; |
1199 | | int numberSOS = 0; |
1200 | | int * sosStart = NULL; |
1201 | | int * sosIndices = NULL; |
1202 | | char * sosType = NULL; |
1203 | | double * sosReference = NULL; |
1204 | | int * cut=NULL; |
1205 | | int * sosPriority=NULL; |
1206 | | CoinModel * coinModel = NULL; |
1207 | | #ifdef COIN_HAS_ASL |
1208 | | ampl_info info; |
1209 | | CglStored storedAmpl; |
1210 | | CoinModel saveCoinModel; |
1211 | | int * whichColumn = NULL; |
1212 | | int * knapsackStart=NULL; |
1213 | | int * knapsackRow=NULL; |
1214 | | int numberKnapsack=0; |
1215 | | memset(&info,0,sizeof(info)); |
1216 | | if (argc>2&&!strcmp(argv[2],"-AMPL")) { |
1217 | | usingAmpl=true; |
1218 | | // see if log in list |
1219 | | noPrinting=true; |
1220 | | for (int i=1;i<argc;i++) { |
1221 | | if (!strncmp(argv[i],"log",3)) { |
1222 | | char * equals = strchr(argv[i],'='); |
1223 | | if (equals&&atoi(equals+1)>0) { |
1224 | | noPrinting=false; |
1225 | | info.logLevel=atoi(equals+1); |
1226 | | // mark so won't be overWritten |
1227 | | info.numberRows=-1234567; |
1228 | | break; |
1229 | | } |
1230 | | } |
1231 | | } |
1232 | | int returnCode = readAmpl(&info,argc,const_cast<char **>(argv),(void **) (& coinModel)); |
1233 | | if (returnCode) |
1234 | | return returnCode; |
1235 | | CbcOrClpRead_mode=2; // so will start with parameters |
1236 | | // see if log in list (including environment) |
1237 | | for (int i=1;i<info.numberArguments;i++) { |
1238 | | if (!strcmp(info.arguments[i],"log")) { |
1239 | | if (i<info.numberArguments-1&&atoi(info.arguments[i+1])>0) |
1240 | | noPrinting=false; |
1241 | | break; |
1242 | | } |
1243 | | } |
1244 | | if (noPrinting) { |
1245 | | model.messageHandler()->setLogLevel(0); |
1246 | | setCbcOrClpPrinting(false); |
1247 | | } |
1248 | | if (!noPrinting) |
1249 | | printf("%d rows, %d columns and %d elements\n", |
1250 | | info.numberRows,info.numberColumns,info.numberElements); |
1251 | | #ifdef COIN_HAS_LINK |
1252 | | if (!coinModel) { |
1253 | | #endif |
1254 | | solver->loadProblem(info.numberColumns,info.numberRows,info.starts, |
1255 | | info.rows,info.elements, |
1256 | | info.columnLower,info.columnUpper,info.objective, |
1257 | | info.rowLower,info.rowUpper); |
1258 | | // take off cuts if ampl wants that |
1259 | | if (info.cut&&0) { |
1260 | | printf("AMPL CUTS OFF until global cuts fixed\n"); |
1261 | | info.cut=NULL; |
1262 | | } |
1263 | | if (info.cut) { |
1264 | | int numberRows = info.numberRows; |
1265 | | int * whichRow = new int [numberRows]; |
1266 | | // Row copy |
1267 | | const CoinPackedMatrix * matrixByRow = solver->getMatrixByRow(); |
1268 | | const double * elementByRow = matrixByRow->getElements(); |
1269 | | const int * column = matrixByRow->getIndices(); |
1270 | | const CoinBigIndex * rowStart = matrixByRow->getVectorStarts(); |
1271 | | const int * rowLength = matrixByRow->getVectorLengths(); |
1272 | | |
1273 | | const double * rowLower = solver->getRowLower(); |
1274 | | const double * rowUpper = solver->getRowUpper(); |
1275 | | int nDelete=0; |
1276 | | for (int iRow=0;iRow<numberRows;iRow++) { |
1277 | | if (info.cut[iRow]) { |
1278 | | whichRow[nDelete++]=iRow; |
1279 | | int start = rowStart[iRow]; |
1280 | | storedAmpl.addCut(rowLower[iRow],rowUpper[iRow], |
1281 | | rowLength[iRow],column+start,elementByRow+start); |
1282 | | } |
1283 | | } |
1284 | | solver->deleteRows(nDelete,whichRow); |
1285 | | delete [] whichRow; |
1286 | | } |
1287 | | #ifdef COIN_HAS_LINK |
1288 | | } else { |
1289 | | // save |
1290 | | saveCoinModel = *coinModel; |
1291 | | // load from coin model |
1292 | | OsiSolverLink solver1; |
1293 | | OsiSolverInterface * solver2 = solver1.clone(); |
1294 | | model.assignSolver(solver2,true); |
1295 | | OsiSolverLink * si = |
1296 | | dynamic_cast<OsiSolverLink *>(model.solver()) ; |
1297 | | assert (si != NULL); |
1298 | | si->setDefaultMeshSize(0.001); |
1299 | | // need some relative granularity |
1300 | | si->setDefaultBound(100.0); |
1301 | | si->setDefaultMeshSize(0.01); |
1302 | | si->setDefaultBound(100000.0); |
1303 | | si->setIntegerPriority(1000); |
1304 | | si->setBiLinearPriority(10000); |
1305 | | CoinModel * model2 = (CoinModel *) coinModel; |
1306 | | si->load(*model2,true,info.logLevel); |
1307 | | // redo |
1308 | | solver = model.solver(); |
1309 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (solver); |
1310 | | lpSolver = clpSolver->getModelPtr(); |
1311 | | clpSolver->messageHandler()->setLogLevel(0) ; |
1312 | | testOsiParameters=0; |
1313 | | complicatedInteger=1; |
1314 | | } |
1315 | | #endif |
1316 | | // If we had a solution use it |
1317 | | if (info.primalSolution) { |
1318 | | solver->setColSolution(info.primalSolution); |
1319 | | } |
1320 | | // status |
1321 | | if (info.rowStatus) { |
1322 | | unsigned char * statusArray = lpSolver->statusArray(); |
1323 | | int i; |
1324 | | for (i=0;i<info.numberColumns;i++) |
1325 | | statusArray[i]=(char)info.columnStatus[i]; |
1326 | | statusArray+=info.numberColumns; |
1327 | | for (i=0;i<info.numberRows;i++) |
1328 | | statusArray[i]=(char)info.rowStatus[i]; |
1329 | | CoinWarmStartBasis * basis = lpSolver->getBasis(); |
1330 | | solver->setWarmStart(basis); |
1331 | | delete basis; |
1332 | | } |
1333 | | freeArrays1(&info); |
1334 | | // modify objective if necessary |
1335 | | solver->setObjSense(info.direction); |
1336 | | solver->setDblParam(OsiObjOffset,info.offset); |
1337 | | // Set integer variables |
1338 | | for (int i=info.numberColumns-info.numberBinary-info.numberIntegers; |
1339 | | i<info.numberColumns;i++) |
1340 | | solver->setInteger(i); |
1341 | | goodModel=true; |
1342 | | // change argc etc |
1343 | | argc = info.numberArguments; |
1344 | | argv = const_cast<const char **>(info.arguments); |
1345 | | } |
1346 | | #endif |
1347 | | // default action on import |
1348 | | int allowImportErrors=0; |
1349 | | int keepImportNames=1; |
1350 | | int doIdiot=-1; |
1351 | | int outputFormat=2; |
1352 | | int slpValue=-1; |
1353 | | int cppValue=-1; |
1354 | | int printOptions=0; |
1355 | | int printMode=0; |
1356 | | int presolveOptions=0; |
1357 | | int substitution=3; |
1358 | | int dualize=0; |
1359 | | int doCrash=0; |
1360 | | int doVector=0; |
1361 | | int doSprint=-1; |
1362 | | int doScaling=1; |
1363 | | // set reasonable defaults |
1364 | | int preSolve=5; |
1365 | | int preProcess=1; |
1366 | | bool useStrategy=false; |
1367 | | bool preSolveFile=false; |
1368 | | |
1369 | | double djFix=1.0e100; |
1370 | | double gapRatio=1.0e100; |
1371 | | double tightenFactor=0.0; |
1372 | | lpSolver->setPerturbation(50); |
1373 | | lpSolver->messageHandler()->setPrefix(false); |
1374 | | const char dirsep = CoinFindDirSeparator(); |
1375 | | std::string directory = (dirsep == '/' ? "./" : ".\\"); |
1376 | | std::string defaultDirectory = directory; |
1377 | | std::string importFile =""; |
1378 | | std::string exportFile ="default.mps"; |
1379 | | std::string importBasisFile =""; |
1380 | | std::string importPriorityFile =""; |
1381 | | std::string debugFile=""; |
1382 | | std::string printMask=""; |
1383 | | double * debugValues = NULL; |
1384 | | int numberDebugValues = -1; |
1385 | | int basisHasValues=0; |
1386 | | std::string exportBasisFile ="default.bas"; |
1387 | | std::string saveFile ="default.prob"; |
1388 | | std::string restoreFile ="default.prob"; |
1389 | | std::string solutionFile ="stdout"; |
1390 | | std::string solutionSaveFile ="solution.file"; |
1391 | | #define CBCMAXPARAMETERS 200 |
1392 | | CbcOrClpParam parameters[CBCMAXPARAMETERS]; |
1393 | | int numberParameters ; |
1394 | | establishParams(numberParameters,parameters) ; |
1395 | | parameters[whichParam(BASISIN,numberParameters,parameters)].setStringValue(importBasisFile); |
1396 | | parameters[whichParam(PRIORITYIN,numberParameters,parameters)].setStringValue(importPriorityFile); |
1397 | | parameters[whichParam(BASISOUT,numberParameters,parameters)].setStringValue(exportBasisFile); |
1398 | | parameters[whichParam(DEBUG,numberParameters,parameters)].setStringValue(debugFile); |
1399 | | parameters[whichParam(PRINTMASK,numberParameters,parameters)].setStringValue(printMask); |
1400 | | parameters[whichParam(DIRECTORY,numberParameters,parameters)].setStringValue(directory); |
1401 | | parameters[whichParam(DUALBOUND,numberParameters,parameters)].setDoubleValue(lpSolver->dualBound()); |
1402 | | parameters[whichParam(DUALTOLERANCE,numberParameters,parameters)].setDoubleValue(lpSolver->dualTolerance()); |
1403 | | parameters[whichParam(EXPORT,numberParameters,parameters)].setStringValue(exportFile); |
1404 | | parameters[whichParam(IDIOT,numberParameters,parameters)].setIntValue(doIdiot); |
1405 | | parameters[whichParam(IMPORT,numberParameters,parameters)].setStringValue(importFile); |
1406 | | parameters[whichParam(PRESOLVETOLERANCE,numberParameters,parameters)].setDoubleValue(1.0e-8); |
1407 | | int slog = whichParam(SOLVERLOGLEVEL,numberParameters,parameters); |
1408 | | int log = whichParam(LOGLEVEL,numberParameters,parameters); |
1409 | | parameters[slog].setIntValue(0); |
1410 | | parameters[log].setIntValue(1); |
1411 | | parameters[whichParam(MAXFACTOR,numberParameters,parameters)].setIntValue(lpSolver->factorizationFrequency()); |
1412 | | parameters[whichParam(MAXITERATION,numberParameters,parameters)].setIntValue(lpSolver->maximumIterations()); |
1413 | | parameters[whichParam(OUTPUTFORMAT,numberParameters,parameters)].setIntValue(outputFormat); |
1414 | | parameters[whichParam(PRESOLVEPASS,numberParameters,parameters)].setIntValue(preSolve); |
1415 | | parameters[whichParam(PERTVALUE,numberParameters,parameters)].setIntValue(lpSolver->perturbation()); |
1416 | | parameters[whichParam(PRIMALTOLERANCE,numberParameters,parameters)].setDoubleValue(lpSolver->primalTolerance()); |
1417 | | parameters[whichParam(PRIMALWEIGHT,numberParameters,parameters)].setDoubleValue(lpSolver->infeasibilityCost()); |
1418 | | parameters[whichParam(RESTORE,numberParameters,parameters)].setStringValue(restoreFile); |
1419 | | parameters[whichParam(SAVE,numberParameters,parameters)].setStringValue(saveFile); |
1420 | | //parameters[whichParam(TIMELIMIT,numberParameters,parameters)].setDoubleValue(1.0e8); |
1421 | | parameters[whichParam(TIMELIMIT_BAB,numberParameters,parameters)].setDoubleValue(1.0e8); |
1422 | | parameters[whichParam(SOLUTION,numberParameters,parameters)].setStringValue(solutionFile); |
1423 | | parameters[whichParam(SAVESOL,numberParameters,parameters)].setStringValue(solutionSaveFile); |
1424 | | parameters[whichParam(SPRINT,numberParameters,parameters)].setIntValue(doSprint); |
1425 | | parameters[whichParam(SUBSTITUTION,numberParameters,parameters)].setIntValue(substitution); |
1426 | | parameters[whichParam(DUALIZE,numberParameters,parameters)].setIntValue(dualize); |
1427 | | model.setNumberBeforeTrust(5); |
1428 | | parameters[whichParam(NUMBERBEFORE,numberParameters,parameters)].setIntValue(5); |
1429 | | parameters[whichParam(MAXNODES,numberParameters,parameters)].setIntValue(model.getMaximumNodes()); |
1430 | | model.setNumberStrong(5); |
1431 | | parameters[whichParam(STRONGBRANCHING,numberParameters,parameters)].setIntValue(model.numberStrong()); |
1432 | | parameters[whichParam(INFEASIBILITYWEIGHT,numberParameters,parameters)].setDoubleValue(model.getDblParam(CbcModel::CbcInfeasibilityWeight)); |
1433 | | parameters[whichParam(INTEGERTOLERANCE,numberParameters,parameters)].setDoubleValue(model.getDblParam(CbcModel::CbcIntegerTolerance)); |
1434 | | double normalIncrement=model.getCutoffIncrement();; |
1435 | | parameters[whichParam(INCREMENT,numberParameters,parameters)].setDoubleValue(model.getDblParam(CbcModel::CbcCutoffIncrement)); |
1436 | | parameters[whichParam(TESTOSI,numberParameters,parameters)].setIntValue(testOsiParameters); |
1437 | | parameters[whichParam(FPUMPTUNE,numberParameters,parameters)].setIntValue(1003); |
1438 | | if (testOsiParameters>=0) { |
1439 | | // trying nonlinear - switch off some stuff |
1440 | | preProcess=0; |
1441 | | } |
1442 | | // Set up likely cut generators and defaults |
1443 | | parameters[whichParam(PREPROCESS,numberParameters,parameters)].setCurrentOption("on"); |
1444 | | parameters[whichParam(MIPOPTIONS,numberParameters,parameters)].setIntValue(128|64|1); |
1445 | | parameters[whichParam(MIPOPTIONS,numberParameters,parameters)].setIntValue(1); |
1446 | | parameters[whichParam(MOREMIPOPTIONS,numberParameters,parameters)].setIntValue(-1); |
1447 | | parameters[whichParam(MAXHOTITS,numberParameters,parameters)].setIntValue(100); |
1448 | | parameters[whichParam(CUTSSTRATEGY,numberParameters,parameters)].setCurrentOption("on"); |
1449 | | parameters[whichParam(HEURISTICSTRATEGY,numberParameters,parameters)].setCurrentOption("on"); |
1450 | | parameters[whichParam(NODESTRATEGY,numberParameters,parameters)].setCurrentOption("fewest"); |
1451 | | int nodeStrategy=0; |
1452 | | int doSOS=1; |
1453 | | int verbose=0; |
1454 | | CglGomory gomoryGen; |
1455 | | // try larger limit |
1456 | | gomoryGen.setLimitAtRoot(512); |
1457 | | gomoryGen.setLimit(50); |
1458 | | // set default action (0=off,1=on,2=root) |
1459 | | int gomoryAction=3; |
1460 | | parameters[whichParam(GOMORYCUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1461 | | |
1462 | | CglProbing probingGen; |
1463 | | probingGen.setUsingObjective(1); |
1464 | | probingGen.setMaxPass(3); |
1465 | | probingGen.setMaxPassRoot(3); |
1466 | | // Number of unsatisfied variables to look at |
1467 | | probingGen.setMaxProbe(10); |
1468 | | probingGen.setMaxProbeRoot(50); |
1469 | | // How far to follow the consequences |
1470 | | probingGen.setMaxLook(10); |
1471 | | probingGen.setMaxLookRoot(50); |
1472 | | probingGen.setMaxLookRoot(10); |
1473 | | // Only look at rows with fewer than this number of elements |
1474 | | probingGen.setMaxElements(200); |
1475 | | probingGen.setRowCuts(3); |
1476 | | // set default action (0=off,1=on,2=root) |
1477 | | int probingAction=1; |
1478 | | parameters[whichParam(PROBINGCUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1479 | | |
1480 | | CglKnapsackCover knapsackGen; |
1481 | | //knapsackGen.switchOnExpensive(); |
1482 | | // set default action (0=off,1=on,2=root) |
1483 | | int knapsackAction=3; |
1484 | | parameters[whichParam(KNAPSACKCUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1485 | | |
1486 | | CglRedSplit redsplitGen; |
1487 | | //redsplitGen.setLimit(100); |
1488 | | // set default action (0=off,1=on,2=root) |
1489 | | // Off as seems to give some bad cuts |
1490 | | int redsplitAction=0; |
1491 | | parameters[whichParam(REDSPLITCUTS,numberParameters,parameters)].setCurrentOption("off"); |
1492 | | |
1493 | | CglClique cliqueGen(false,true); |
1494 | | cliqueGen.setStarCliqueReport(false); |
1495 | | cliqueGen.setRowCliqueReport(false); |
1496 | | cliqueGen.setMinViolation(0.1); |
1497 | | // set default action (0=off,1=on,2=root) |
1498 | | int cliqueAction=3; |
1499 | | parameters[whichParam(CLIQUECUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1500 | | |
1501 | | CglMixedIntegerRounding2 mixedGen; |
1502 | | // set default action (0=off,1=on,2=root) |
1503 | | int mixedAction=3; |
1504 | | parameters[whichParam(MIXEDCUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1505 | | |
1506 | | CglFlowCover flowGen; |
1507 | | // set default action (0=off,1=on,2=root) |
1508 | | int flowAction=3; |
1509 | | parameters[whichParam(FLOWCUTS,numberParameters,parameters)].setCurrentOption("ifmove"); |
1510 | | |
1511 | | CglTwomir twomirGen; |
1512 | | twomirGen.setMaxElements(250); |
1513 | | // set default action (0=off,1=on,2=root) |
1514 | | int twomirAction=2; |
1515 | | parameters[whichParam(TWOMIRCUTS,numberParameters,parameters)].setCurrentOption("root"); |
1516 | | CglLandP landpGen; |
1517 | | // set default action (0=off,1=on,2=root) |
1518 | | int landpAction=0; |
1519 | | parameters[whichParam(LANDPCUTS,numberParameters,parameters)].setCurrentOption("off"); |
1520 | | // Stored cuts |
1521 | | bool storedCuts = false; |
1522 | | |
1523 | | bool useRounding=true; |
1524 | | parameters[whichParam(ROUNDING,numberParameters,parameters)].setCurrentOption("on"); |
1525 | | bool useFpump=true; |
1526 | | parameters[whichParam(FPUMP,numberParameters,parameters)].setCurrentOption("on"); |
1527 | | bool useGreedy=true; |
1528 | | parameters[whichParam(GREEDY,numberParameters,parameters)].setCurrentOption("on"); |
1529 | | bool useCombine=true; |
1530 | | parameters[whichParam(COMBINE,numberParameters,parameters)].setCurrentOption("on"); |
1531 | | bool useLocalTree=false; |
1532 | | bool useRINS=false; |
1533 | | parameters[whichParam(RINS,numberParameters,parameters)].setCurrentOption("off"); |
1534 | | parameters[whichParam(COSTSTRATEGY,numberParameters,parameters)].setCurrentOption("off"); |
1535 | | int useCosts=0; |
1536 | | // don't use input solution |
1537 | | int useSolution=0; |
1538 | | |
1539 | | // total number of commands read |
1540 | | int numberGoodCommands=0; |
1541 | | // Set false if user does anything advanced |
1542 | | bool defaultSettings=true; |
1543 | | |
1544 | | // Hidden stuff for barrier |
1545 | | int choleskyType = 0; |
1546 | | int gamma=0; |
1547 | | int scaleBarrier=0; |
1548 | | int doKKT=0; |
1549 | | int crossover=2; // do crossover unless quadratic |
1550 | | // For names |
1551 | | int lengthName = 0; |
1552 | | std::vector<std::string> rowNames; |
1553 | | std::vector<std::string> columnNames; |
1554 | | |
1555 | | std::string field; |
1556 | | if (!noPrinting) { |
1557 | | std::cout<<"Coin Cbc and Clp Solver version "<<CBCVERSION |
1558 | | <<", build "<<__DATE__<<std::endl; |
1559 | | // Print command line |
1560 | | if (argc>1) { |
1561 | | printf("command line - "); |
1562 | | for (int i=0;i<argc;i++) |
1563 | | printf("%s ",argv[i]); |
1564 | | printf("\n"); |
1565 | | } |
1566 | | } |
1567 | | while (1) { |
1568 | | // next command |
1569 | | field=CoinReadGetCommand(argc,argv); |
1570 | | // exit if null or similar |
1571 | | if (!field.length()) { |
1572 | | if (numberGoodCommands==1&&goodModel) { |
1573 | | // we just had file name - do branch and bound |
1574 | | field="branch"; |
1575 | | } else if (!numberGoodCommands) { |
1576 | | // let's give the sucker a hint |
1577 | | std::cout |
1578 | | <<"CoinSolver takes input from arguments ( - switches to stdin)" |
1579 | | <<std::endl |
1580 | | <<"Enter ? for list of commands or help"<<std::endl; |
1581 | | field="-"; |
1582 | | } else { |
1583 | | break; |
1584 | | } |
1585 | | } |
1586 | | |
1587 | | // see if ? at end |
1588 | | int numberQuery=0; |
1589 | | if (field!="?"&&field!="???") { |
1590 | | int length = field.length(); |
1591 | | int i; |
1592 | | for (i=length-1;i>0;i--) { |
1593 | | if (field[i]=='?') |
1594 | | numberQuery++; |
1595 | | else |
1596 | | break; |
1597 | | } |
1598 | | field=field.substr(0,length-numberQuery); |
1599 | | } |
1600 | | // find out if valid command |
1601 | | int iParam; |
1602 | | int numberMatches=0; |
1603 | | int firstMatch=-1; |
1604 | | for ( iParam=0; iParam<numberParameters; iParam++ ) { |
1605 | | int match = parameters[iParam].matches(field); |
1606 | | if (match==1) { |
1607 | | numberMatches = 1; |
1608 | | firstMatch=iParam; |
1609 | | break; |
1610 | | } else { |
1611 | | if (match&&firstMatch<0) |
1612 | | firstMatch=iParam; |
1613 | | numberMatches += match>>1; |
1614 | | } |
1615 | | } |
1616 | | if (iParam<numberParameters&&!numberQuery) { |
1617 | | // found |
1618 | | CbcOrClpParam found = parameters[iParam]; |
1619 | | CbcOrClpParameterType type = found.type(); |
1620 | | int valid; |
1621 | | numberGoodCommands++; |
1622 | | if (type==BAB&&goodModel) { |
1623 | | // check if any integers |
1624 | | #ifdef COIN_HAS_ASL |
1625 | | if (info.numberSos&&doSOS&&usingAmpl) { |
1626 | | // SOS |
1627 | | numberSOS = info.numberSos; |
1628 | | } |
1629 | | #endif |
1630 | | if (!lpSolver->integerInformation()&&!numberSOS&& |
1631 | | !clpSolver->numberSOS()) |
1632 | | type=DUALSIMPLEX; |
1633 | | } |
1634 | | if (type==GENERALQUERY) { |
1635 | | bool evenHidden=false; |
1636 | | if ((verbose&8)!=0) { |
1637 | | // even hidden |
1638 | | evenHidden = true; |
1639 | | verbose &= ~8; |
1640 | | } |
1641 | | #ifdef COIN_HAS_ASL |
1642 | | if (verbose<4&&usingAmpl) |
1643 | | verbose +=4; |
1644 | | #endif |
1645 | | if (verbose<4) { |
1646 | | std::cout<<"In argument list keywords have leading - " |
1647 | | ", -stdin or just - switches to stdin"<<std::endl; |
1648 | | std::cout<<"One command per line (and no -)"<<std::endl; |
1649 | | std::cout<<"abcd? gives list of possibilities, if only one + explanation"<<std::endl; |
1650 | | std::cout<<"abcd?? adds explanation, if only one fuller help"<<std::endl; |
1651 | | std::cout<<"abcd without value (where expected) gives current value"<<std::endl; |
1652 | | std::cout<<"abcd value sets value"<<std::endl; |
1653 | | std::cout<<"Commands are:"<<std::endl; |
1654 | | } else { |
1655 | | std::cout<<"Cbc options are set within AMPL with commands like:"<<std::endl<<std::endl; |
1656 | | std::cout<<" option cbc_options \"cuts=root log=2 feas=on slog=1\""<<std::endl<<std::endl; |
1657 | | std::cout<<"only maximize, dual, primal, help and quit are recognized without ="<<std::endl; |
1658 | | } |
1659 | | int maxAcross=5; |
1660 | | if ((verbose%4)!=0) |
1661 | | maxAcross=1; |
1662 | | int limits[]={1,51,101,151,201,251,301,351,401}; |
1663 | | std::vector<std::string> types; |
1664 | | types.push_back("Double parameters:"); |
1665 | | types.push_back("Branch and Cut double parameters:"); |
1666 | | types.push_back("Integer parameters:"); |
1667 | | types.push_back("Branch and Cut integer parameters:"); |
1668 | | types.push_back("Keyword parameters:"); |
1669 | | types.push_back("Branch and Cut keyword parameters:"); |
1670 | | types.push_back("Actions or string parameters:"); |
1671 | | types.push_back("Branch and Cut actions:"); |
1672 | | int iType; |
1673 | | for (iType=0;iType<8;iType++) { |
1674 | | int across=0; |
1675 | | if ((verbose%4)!=0) |
1676 | | std::cout<<std::endl; |
1677 | | std::cout<<types[iType]<<std::endl; |
1678 | | if ((verbose&2)!=0) |
1679 | | std::cout<<std::endl; |
1680 | | for ( iParam=0; iParam<numberParameters; iParam++ ) { |
1681 | | int type = parameters[iParam].type(); |
1682 | | if ((parameters[iParam].displayThis()||evenHidden)&& |
1683 | | type>=limits[iType] |
1684 | | &&type<limits[iType+1]) { |
1685 | | // but skip if not useful for ampl (and in ampl mode) |
1686 | | if (verbose>=4&&(parameters[iParam].whereUsed()&4)==0) |
1687 | | continue; |
1688 | | if (!across) { |
1689 | | if ((verbose&2)==0) |
1690 | | std::cout<<" "; |
1691 | | else |
1692 | | std::cout<<"Command "; |
1693 | | } |
1694 | | std::cout<<parameters[iParam].matchName()<<" "; |
1695 | | across++; |
1696 | | if (across==maxAcross) { |
1697 | | across=0; |
1698 | | if ((verbose%4)!=0) { |
1699 | | // put out description as well |
1700 | | if ((verbose&1)!=0) |
1701 | | std::cout<<parameters[iParam].shortHelp(); |
1702 | | std::cout<<std::endl; |
1703 | | if ((verbose&2)!=0) { |
1704 | | std::cout<<"---- description"<<std::endl; |
1705 | | parameters[iParam].printLongHelp(); |
1706 | | std::cout<<"----"<<std::endl<<std::endl; |
1707 | | } |
1708 | | } else { |
1709 | | std::cout<<std::endl; |
1710 | | } |
1711 | | } |
1712 | | } |
1713 | | } |
1714 | | if (across) |
1715 | | std::cout<<std::endl; |
1716 | | } |
1717 | | } else if (type==FULLGENERALQUERY) { |
1718 | | std::cout<<"Full list of commands is:"<<std::endl; |
1719 | | int maxAcross=5; |
1720 | | int limits[]={1,51,101,151,201,251,301,351,401}; |
1721 | | std::vector<std::string> types; |
1722 | | types.push_back("Double parameters:"); |
1723 | | types.push_back("Branch and Cut double parameters:"); |
1724 | | types.push_back("Integer parameters:"); |
1725 | | types.push_back("Branch and Cut integer parameters:"); |
1726 | | types.push_back("Keyword parameters:"); |
1727 | | types.push_back("Branch and Cut keyword parameters:"); |
1728 | | types.push_back("Actions or string parameters:"); |
1729 | | types.push_back("Branch and Cut actions:"); |
1730 | | int iType; |
1731 | | for (iType=0;iType<8;iType++) { |
1732 | | int across=0; |
1733 | | std::cout<<types[iType]<<" "; |
1734 | | for ( iParam=0; iParam<numberParameters; iParam++ ) { |
1735 | | int type = parameters[iParam].type(); |
1736 | | if (type>=limits[iType] |
1737 | | &&type<limits[iType+1]) { |
1738 | | if (!across) |
1739 | | std::cout<<" "; |
1740 | | std::cout<<parameters[iParam].matchName()<<" "; |
1741 | | across++; |
1742 | | if (across==maxAcross) { |
1743 | | std::cout<<std::endl; |
1744 | | across=0; |
1745 | | } |
1746 | | } |
1747 | | } |
1748 | | if (across) |
1749 | | std::cout<<std::endl; |
1750 | | } |
1751 | | } else if (type<101) { |
1752 | | // get next field as double |
1753 | | double value = CoinReadGetDoubleField(argc,argv,&valid); |
1754 | | if (!valid) { |
1755 | | if (type<51) { |
1756 | | parameters[iParam].setDoubleParameter(lpSolver,value); |
1757 | | } else if (type<81) { |
1758 | | parameters[iParam].setDoubleParameter(model,value); |
1759 | | } else { |
1760 | | parameters[iParam].setDoubleParameter(lpSolver,value); |
1761 | | switch(type) { |
1762 | | case DJFIX: |
1763 | | djFix=value; |
1764 | | preSolve=5; |
1765 | | defaultSettings=false; // user knows what she is doing |
1766 | | break; |
1767 | | case GAPRATIO: |
1768 | | gapRatio=value; |
1769 | | break; |
1770 | | case TIGHTENFACTOR: |
1771 | | tightenFactor=value; |
1772 | | if(!complicatedInteger) |
1773 | | defaultSettings=false; // user knows what she is doing |
1774 | | break; |
1775 | | default: |
1776 | | abort(); |
1777 | | } |
1778 | | } |
1779 | | } else if (valid==1) { |
1780 | | abort(); |
1781 | | } else { |
1782 | | std::cout<<parameters[iParam].name()<<" has value "<< |
1783 | | parameters[iParam].doubleValue()<<std::endl; |
1784 | | } |
1785 | | } else if (type<201) { |
1786 | | // get next field as int |
1787 | | int value = CoinReadGetIntField(argc,argv,&valid); |
1788 | | if (!valid) { |
1789 | | if (type<151) { |
1790 | | if (parameters[iParam].type()==PRESOLVEPASS) |
1791 | | preSolve = value; |
1792 | | else if (parameters[iParam].type()==IDIOT) |
1793 | | doIdiot = value; |
1794 | | else if (parameters[iParam].type()==SPRINT) |
1795 | | doSprint = value; |
1796 | | else if (parameters[iParam].type()==OUTPUTFORMAT) |
1797 | | outputFormat = value; |
1798 | | else if (parameters[iParam].type()==SLPVALUE) |
1799 | | slpValue = value; |
1800 | | else if (parameters[iParam].type()==CPP) |
1801 | | cppValue = value; |
1802 | | else if (parameters[iParam].type()==PRESOLVEOPTIONS) |
1803 | | presolveOptions = value; |
1804 | | else if (parameters[iParam].type()==PRINTOPTIONS) |
1805 | | printOptions = value; |
1806 | | else if (parameters[iParam].type()==SUBSTITUTION) |
1807 | | substitution = value; |
1808 | | else if (parameters[iParam].type()==DUALIZE) |
1809 | | dualize = value; |
1810 | | else if (parameters[iParam].type()==CUTPASS) |
1811 | | cutPass = value; |
1812 | | else if (parameters[iParam].type()==PROCESSTUNE) |
1813 | | tunePreProcess = value; |
1814 | | else if (parameters[iParam].type()==VERBOSE) |
1815 | | verbose = value; |
1816 | | else if (parameters[iParam].type()==FPUMPITS) |
1817 | | { useFpump = true;parameters[iParam].setIntValue(value);} |
1818 | | parameters[iParam].setIntParameter(lpSolver,value); |
1819 | | } else { |
1820 | | parameters[iParam].setIntParameter(model,value); |
1821 | | } |
1822 | | } else if (valid==1) { |
1823 | | abort(); |
1824 | | } else { |
1825 | | std::cout<<parameters[iParam].name()<<" has value "<< |
1826 | | parameters[iParam].intValue()<<std::endl; |
1827 | | } |
1828 | | } else if (type<301) { |
1829 | | // one of several strings |
1830 | | std::string value = CoinReadGetString(argc,argv); |
1831 | | int action = parameters[iParam].parameterOption(value); |
1832 | | if (action<0) { |
1833 | | if (value!="EOL") { |
1834 | | // no match |
1835 | | parameters[iParam].printOptions(); |
1836 | | } else { |
1837 | | // print current value |
1838 | | std::cout<<parameters[iParam].name()<<" has value "<< |
1839 | | parameters[iParam].currentOption()<<std::endl; |
1840 | | } |
1841 | | } else { |
1842 | | parameters[iParam].setCurrentOption(action,!noPrinting); |
1843 | | // for now hard wired |
1844 | | switch (type) { |
1845 | | case DIRECTION: |
1846 | | if (action==0) |
1847 | | lpSolver->setOptimizationDirection(1); |
1848 | | else if (action==1) |
1849 | | lpSolver->setOptimizationDirection(-1); |
1850 | | else |
1851 | | lpSolver->setOptimizationDirection(0); |
1852 | | break; |
1853 | | case DUALPIVOT: |
1854 | | if (action==0) { |
1855 | | ClpDualRowSteepest steep(3); |
1856 | | lpSolver->setDualRowPivotAlgorithm(steep); |
1857 | | } else if (action==1) { |
1858 | | //ClpDualRowDantzig dantzig; |
1859 | | ClpDualRowSteepest dantzig(5); |
1860 | | lpSolver->setDualRowPivotAlgorithm(dantzig); |
1861 | | } else if (action==2) { |
1862 | | // partial steep |
1863 | | ClpDualRowSteepest steep(2); |
1864 | | lpSolver->setDualRowPivotAlgorithm(steep); |
1865 | | } else { |
1866 | | ClpDualRowSteepest steep; |
1867 | | lpSolver->setDualRowPivotAlgorithm(steep); |
1868 | | } |
1869 | | break; |
1870 | | case PRIMALPIVOT: |
1871 | | if (action==0) { |
1872 | | ClpPrimalColumnSteepest steep(3); |
1873 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1874 | | } else if (action==1) { |
1875 | | ClpPrimalColumnSteepest steep(0); |
1876 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1877 | | } else if (action==2) { |
1878 | | ClpPrimalColumnDantzig dantzig; |
1879 | | lpSolver->setPrimalColumnPivotAlgorithm(dantzig); |
1880 | | } else if (action==3) { |
1881 | | ClpPrimalColumnSteepest steep(2); |
1882 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1883 | | } else if (action==4) { |
1884 | | ClpPrimalColumnSteepest steep(1); |
1885 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1886 | | } else if (action==5) { |
1887 | | ClpPrimalColumnSteepest steep(4); |
1888 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1889 | | } else if (action==6) { |
1890 | | ClpPrimalColumnSteepest steep(10); |
1891 | | lpSolver->setPrimalColumnPivotAlgorithm(steep); |
1892 | | } |
1893 | | break; |
1894 | | case SCALING: |
1895 | | lpSolver->scaling(action); |
1896 | | solver->setHintParam(OsiDoScale,action!=0,OsiHintTry); |
1897 | | doScaling = 1-action; |
1898 | | break; |
1899 | | case AUTOSCALE: |
1900 | | lpSolver->setAutomaticScaling(action!=0); |
1901 | | break; |
1902 | | case SPARSEFACTOR: |
1903 | | lpSolver->setSparseFactorization((1-action)!=0); |
1904 | | break; |
1905 | | case BIASLU: |
1906 | | lpSolver->factorization()->setBiasLU(action); |
1907 | | break; |
1908 | | case PERTURBATION: |
1909 | | if (action==0) |
1910 | | lpSolver->setPerturbation(50); |
1911 | | else |
1912 | | lpSolver->setPerturbation(100); |
1913 | | break; |
1914 | | case ERRORSALLOWED: |
1915 | | allowImportErrors = action; |
1916 | | break; |
1917 | | case INTPRINT: |
1918 | | printMode=action; |
1919 | | break; |
1920 | | //case ALGORITHM: |
1921 | | //algorithm = action; |
1922 | | //defaultSettings=false; // user knows what she is doing |
1923 | | //abort(); |
1924 | | //break; |
1925 | | case KEEPNAMES: |
1926 | | keepImportNames = 1-action; |
1927 | | break; |
1928 | | case PRESOLVE: |
1929 | | if (action==0) |
1930 | | preSolve = 5; |
1931 | | else if (action==1) |
1932 | | preSolve=0; |
1933 | | else if (action==2) |
1934 | | preSolve=10; |
1935 | | else |
1936 | | preSolveFile=true; |
1937 | | break; |
1938 | | case PFI: |
1939 | | lpSolver->factorization()->setForrestTomlin(action==0); |
1940 | | break; |
1941 | | case CRASH: |
1942 | | doCrash=action; |
1943 | | break; |
1944 | | case VECTOR: |
1945 | | doVector=action; |
1946 | | break; |
1947 | | case MESSAGES: |
1948 | | lpSolver->messageHandler()->setPrefix(action!=0); |
1949 | | break; |
1950 | | case CHOLESKY: |
1951 | | choleskyType = action; |
1952 | | break; |
1953 | | case GAMMA: |
1954 | | gamma=action; |
1955 | | break; |
1956 | | case BARRIERSCALE: |
1957 | | scaleBarrier=action; |
1958 | | break; |
1959 | | case KKT: |
1960 | | doKKT=action; |
1961 | | break; |
1962 | | case CROSSOVER: |
1963 | | crossover=action; |
1964 | | break; |
1965 | | case SOS: |
1966 | | doSOS=action; |
1967 | | break; |
1968 | | case GOMORYCUTS: |
1969 | | defaultSettings=false; // user knows what she is doing |
1970 | | gomoryAction = action; |
1971 | | break; |
1972 | | case PROBINGCUTS: |
1973 | | defaultSettings=false; // user knows what she is doing |
1974 | | probingAction = action; |
1975 | | break; |
1976 | | case KNAPSACKCUTS: |
1977 | | defaultSettings=false; // user knows what she is doing |
1978 | | knapsackAction = action; |
1979 | | break; |
1980 | | case REDSPLITCUTS: |
1981 | | defaultSettings=false; // user knows what she is doing |
1982 | | redsplitAction = action; |
1983 | | break; |
1984 | | case CLIQUECUTS: |
1985 | | defaultSettings=false; // user knows what she is doing |
1986 | | cliqueAction = action; |
1987 | | break; |
1988 | | case FLOWCUTS: |
1989 | | defaultSettings=false; // user knows what she is doing |
1990 | | flowAction = action; |
1991 | | break; |
1992 | | case MIXEDCUTS: |
1993 | | defaultSettings=false; // user knows what she is doing |
1994 | | mixedAction = action; |
1995 | | break; |
1996 | | case TWOMIRCUTS: |
1997 | | defaultSettings=false; // user knows what she is doing |
1998 | | twomirAction = action; |
1999 | | break; |
2000 | | case LANDPCUTS: |
2001 | | defaultSettings=false; // user knows what she is doing |
2002 | | landpAction = action; |
2003 | | break; |
2004 | | case ROUNDING: |
2005 | | defaultSettings=false; // user knows what she is doing |
2006 | | useRounding = action; |
2007 | | break; |
2008 | | case FPUMP: |
2009 | | defaultSettings=false; // user knows what she is doing |
2010 | | useFpump=action; |
2011 | | break; |
2012 | | case RINS: |
2013 | | useRINS=action; |
2014 | | break; |
2015 | | case CUTSSTRATEGY: |
2016 | | gomoryAction = action; |
2017 | | probingAction = action; |
2018 | | knapsackAction = action; |
2019 | | cliqueAction = action; |
2020 | | flowAction = action; |
2021 | | mixedAction = action; |
2022 | | twomirAction = action; |
2023 | | //landpAction = action; |
2024 | | parameters[whichParam(GOMORYCUTS,numberParameters,parameters)].setCurrentOption(action); |
2025 | | parameters[whichParam(PROBINGCUTS,numberParameters,parameters)].setCurrentOption(action); |
2026 | | parameters[whichParam(KNAPSACKCUTS,numberParameters,parameters)].setCurrentOption(action); |
2027 | | if (!action) { |
2028 | | redsplitAction = action; |
2029 | | parameters[whichParam(REDSPLITCUTS,numberParameters,parameters)].setCurrentOption(action); |
2030 | | } |
2031 | | parameters[whichParam(CLIQUECUTS,numberParameters,parameters)].setCurrentOption(action); |
2032 | | parameters[whichParam(FLOWCUTS,numberParameters,parameters)].setCurrentOption(action); |
2033 | | parameters[whichParam(MIXEDCUTS,numberParameters,parameters)].setCurrentOption(action); |
2034 | | parameters[whichParam(TWOMIRCUTS,numberParameters,parameters)].setCurrentOption(action); |
2035 | | if (!action) { |
2036 | | landpAction = action; |
2037 | | parameters[whichParam(LANDPCUTS,numberParameters,parameters)].setCurrentOption(action); |
2038 | | } |
2039 | | break; |
2040 | | case HEURISTICSTRATEGY: |
2041 | | useRounding = action; |
2042 | | useGreedy = action; |
2043 | | useCombine = action; |
2044 | | //useLocalTree = action; |
2045 | | useFpump=action; |
2046 | | parameters[whichParam(ROUNDING,numberParameters,parameters)].setCurrentOption(action); |
2047 | | parameters[whichParam(GREEDY,numberParameters,parameters)].setCurrentOption(action); |
2048 | | parameters[whichParam(COMBINE,numberParameters,parameters)].setCurrentOption(action); |
2049 | | //parameters[whichParam(LOCALTREE,numberParameters,parameters)].setCurrentOption(action); |
2050 | | parameters[whichParam(FPUMP,numberParameters,parameters)].setCurrentOption(action); |
2051 | | break; |
2052 | | case GREEDY: |
2053 | | defaultSettings=false; // user knows what she is doing |
2054 | | useGreedy = action; |
2055 | | break; |
2056 | | case COMBINE: |
2057 | | defaultSettings=false; // user knows what she is doing |
2058 | | useCombine = action; |
2059 | | break; |
2060 | | case LOCALTREE: |
2061 | | defaultSettings=false; // user knows what she is doing |
2062 | | useLocalTree = action; |
2063 | | break; |
2064 | | case COSTSTRATEGY: |
2065 | | useCosts=action; |
2066 | | break; |
2067 | | case NODESTRATEGY: |
2068 | | nodeStrategy=action; |
2069 | | break; |
2070 | | case PREPROCESS: |
2071 | | preProcess = action; |
2072 | | break; |
2073 | | case USESOLUTION: |
2074 | | useSolution = action; |
2075 | | break; |
2076 | | default: |
2077 | | abort(); |
2078 | | } |
2079 | | } |
2080 | | } else { |
2081 | | // action |
2082 | | if (type==EXIT) { |
2083 | | #ifdef COIN_HAS_ASL |
2084 | | if(usingAmpl) { |
2085 | | if (info.numberIntegers||info.numberBinary) { |
2086 | | // integer |
2087 | | } else { |
2088 | | // linear |
2089 | | } |
2090 | | writeAmpl(&info); |
2091 | | freeArrays2(&info); |
2092 | | freeArgs(&info); |
2093 | | } |
2094 | | #endif |
2095 | | break; // stop all |
2096 | | } |
2097 | | switch (type) { |
2098 | | case DUALSIMPLEX: |
2099 | | case PRIMALSIMPLEX: |
2100 | | case SOLVECONTINUOUS: |
2101 | | case BARRIER: |
2102 | | if (goodModel) { |
2103 | | double objScale = |
2104 | | parameters[whichParam(OBJSCALE2,numberParameters,parameters)].doubleValue(); |
2105 | | if (objScale!=1.0) { |
2106 | | int iColumn; |
2107 | | int numberColumns=lpSolver->numberColumns(); |
2108 | | double * dualColumnSolution = |
2109 | | lpSolver->dualColumnSolution(); |
2110 | | ClpObjective * obj = lpSolver->objectiveAsObject(); |
2111 | | assert(dynamic_cast<ClpLinearObjective *> (obj)); |
2112 | | double offset; |
2113 | | double * objective = obj->gradient(NULL,NULL,offset,true); |
2114 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
2115 | | dualColumnSolution[iColumn] *= objScale; |
2116 | | objective[iColumn] *= objScale;; |
2117 | | } |
2118 | | int iRow; |
2119 | | int numberRows=lpSolver->numberRows(); |
2120 | | double * dualRowSolution = |
2121 | | lpSolver->dualRowSolution(); |
2122 | | for (iRow=0;iRow<numberRows;iRow++) |
2123 | | dualRowSolution[iRow] *= objScale; |
2124 | | lpSolver->setObjectiveOffset(objScale*lpSolver->objectiveOffset()); |
2125 | | } |
2126 | | ClpSolve::SolveType method; |
2127 | | ClpSolve::PresolveType presolveType; |
2128 | | ClpSimplex * model2 = lpSolver; |
2129 | | if (dualize) { |
2130 | | model2 = ((ClpSimplexOther *) model2)->dualOfModel(); |
2131 | | printf("Dual of model has %d rows and %d columns\n", |
2132 | | model2->numberRows(),model2->numberColumns()); |
2133 | | model2->setOptimizationDirection(1.0); |
2134 | | } |
2135 | | if (noPrinting) |
2136 | | lpSolver->setLogLevel(0); |
2137 | | ClpSolve solveOptions; |
2138 | | solveOptions.setPresolveActions(presolveOptions); |
2139 | | solveOptions.setSubstitution(substitution); |
2140 | | if (preSolve!=5&&preSolve) { |
2141 | | presolveType=ClpSolve::presolveNumber; |
2142 | | if (preSolve<0) { |
2143 | | preSolve = - preSolve; |
2144 | | if (preSolve<=100) { |
2145 | | presolveType=ClpSolve::presolveNumber; |
2146 | | printf("Doing %d presolve passes - picking up non-costed slacks\n", |
2147 | | preSolve); |
2148 | | solveOptions.setDoSingletonColumn(true); |
2149 | | } else { |
2150 | | preSolve -=100; |
2151 | | presolveType=ClpSolve::presolveNumberCost; |
2152 | | printf("Doing %d presolve passes - picking up costed slacks\n", |
2153 | | preSolve); |
2154 | | } |
2155 | | } |
2156 | | } else if (preSolve) { |
2157 | | presolveType=ClpSolve::presolveOn; |
2158 | | } else { |
2159 | | presolveType=ClpSolve::presolveOff; |
2160 | | } |
2161 | | solveOptions.setPresolveType(presolveType,preSolve); |
2162 | | if (type==DUALSIMPLEX||type==SOLVECONTINUOUS) { |
2163 | | method=ClpSolve::useDual; |
2164 | | } else if (type==PRIMALSIMPLEX) { |
2165 | | method=ClpSolve::usePrimalorSprint; |
2166 | | } else { |
2167 | | method = ClpSolve::useBarrier; |
2168 | | if (crossover==1) { |
2169 | | method=ClpSolve::useBarrierNoCross; |
2170 | | } else if (crossover==2) { |
2171 | | ClpObjective * obj = lpSolver->objectiveAsObject(); |
2172 | | if (obj->type()>1) { |
2173 | | method=ClpSolve::useBarrierNoCross; |
2174 | | presolveType=ClpSolve::presolveOff; |
2175 | | solveOptions.setPresolveType(presolveType,preSolve); |
2176 | | } |
2177 | | } |
2178 | | } |
2179 | | solveOptions.setSolveType(method); |
2180 | | if(preSolveFile) |
2181 | | presolveOptions |= 0x40000000; |
2182 | | solveOptions.setSpecialOption(4,presolveOptions); |
2183 | | solveOptions.setSpecialOption(5,printOptions); |
2184 | | if (doVector) { |
2185 | | ClpMatrixBase * matrix = lpSolver->clpMatrix(); |
2186 | | if (dynamic_cast< ClpPackedMatrix*>(matrix)) { |
2187 | | ClpPackedMatrix * clpMatrix = dynamic_cast< ClpPackedMatrix*>(matrix); |
2188 | | clpMatrix->makeSpecialColumnCopy(); |
2189 | | } |
2190 | | } |
2191 | | if (method==ClpSolve::useDual) { |
2192 | | // dual |
2193 | | if (doCrash) |
2194 | | solveOptions.setSpecialOption(0,1,doCrash); // crash |
2195 | | else if (doIdiot) |
2196 | | solveOptions.setSpecialOption(0,2,doIdiot); // possible idiot |
2197 | | } else if (method==ClpSolve::usePrimalorSprint) { |
2198 | | // primal |
2199 | | // if slp turn everything off |
2200 | | if (slpValue>0) { |
2201 | | doCrash=false; |
2202 | | doSprint=0; |
2203 | | doIdiot=-1; |
2204 | | solveOptions.setSpecialOption(1,10,slpValue); // slp |
2205 | | method=ClpSolve::usePrimal; |
2206 | | } |
2207 | | if (doCrash) { |
2208 | | solveOptions.setSpecialOption(1,1,doCrash); // crash |
2209 | | } else if (doSprint>0) { |
2210 | | // sprint overrides idiot |
2211 | | solveOptions.setSpecialOption(1,3,doSprint); // sprint |
2212 | | } else if (doIdiot>0) { |
2213 | | solveOptions.setSpecialOption(1,2,doIdiot); // idiot |
2214 | | } else if (slpValue<=0) { |
2215 | | if (doIdiot==0) { |
2216 | | if (doSprint==0) |
2217 | | solveOptions.setSpecialOption(1,4); // all slack |
2218 | | else |
2219 | | solveOptions.setSpecialOption(1,9); // all slack or sprint |
2220 | | } else { |
2221 | | if (doSprint==0) |
2222 | | solveOptions.setSpecialOption(1,8); // all slack or idiot |
2223 | | else |
2224 | | solveOptions.setSpecialOption(1,7); // initiative |
2225 | | } |
2226 | | } |
2227 | | if (basisHasValues==-1) |
2228 | | solveOptions.setSpecialOption(1,11); // switch off values |
2229 | | } else if (method==ClpSolve::useBarrier||method==ClpSolve::useBarrierNoCross) { |
2230 | | int barrierOptions = choleskyType; |
2231 | | if (scaleBarrier) |
2232 | | barrierOptions |= 8; |
2233 | | if (doKKT) |
2234 | | barrierOptions |= 16; |
2235 | | if (gamma) |
2236 | | barrierOptions |= 32*gamma; |
2237 | | if (crossover==3) |
2238 | | barrierOptions |= 256; // try presolve in crossover |
2239 | | solveOptions.setSpecialOption(4,barrierOptions); |
2240 | | } |
2241 | | #ifdef COIN_HAS_LINK |
2242 | | OsiSolverInterface * coinSolver = model.solver(); |
2243 | | OsiSolverLink * linkSolver = dynamic_cast< OsiSolverLink*> (coinSolver); |
2244 | | if (!linkSolver) { |
2245 | | model2->initialSolve(solveOptions); |
2246 | | } else { |
2247 | | // special solver |
2248 | | double * solution = linkSolver->nonlinearSLP(slpValue,1.0e-5); |
2249 | | if (solution) { |
2250 | | memcpy(model2->primalColumnSolution(),solution, |
2251 | | CoinMin(model2->numberColumns(),linkSolver->coinModel()->numberColumns())*sizeof(double)); |
2252 | | delete [] solution; |
2253 | | } else { |
2254 | | printf("No nonlinear solution\n"); |
2255 | | } |
2256 | | } |
2257 | | #else |
2258 | | model2->initialSolve(solveOptions); |
2259 | | #endif |
2260 | | basisHasValues=1; |
2261 | | if (dualize) { |
2262 | | int returnCode=((ClpSimplexOther *) lpSolver)->restoreFromDual(model2); |
2263 | | delete model2; |
2264 | | if (returnCode) |
2265 | | lpSolver->primal(1); |
2266 | | model2=lpSolver; |
2267 | | } |
2268 | | #ifdef COIN_HAS_ASL |
2269 | | if (usingAmpl) { |
2270 | | double value = model2->getObjValue()*model2->getObjSense(); |
2271 | | char buf[300]; |
2272 | | int pos=0; |
2273 | | int iStat = model2->status(); |
2274 | | if (iStat==0) { |
2275 | | pos += sprintf(buf+pos,"optimal," ); |
2276 | | } else if (iStat==1) { |
2277 | | // infeasible |
2278 | | pos += sprintf(buf+pos,"infeasible,"); |
2279 | | } else if (iStat==2) { |
2280 | | // unbounded |
2281 | | pos += sprintf(buf+pos,"unbounded,"); |
2282 | | } else if (iStat==3) { |
2283 | | pos += sprintf(buf+pos,"stopped on iterations or time,"); |
2284 | | } else if (iStat==4) { |
2285 | | iStat = 7; |
2286 | | pos += sprintf(buf+pos,"stopped on difficulties,"); |
2287 | | } else if (iStat==5) { |
2288 | | iStat = 3; |
2289 | | pos += sprintf(buf+pos,"stopped on ctrl-c,"); |
2290 | | } else { |
2291 | | pos += sprintf(buf+pos,"status unknown,"); |
2292 | | iStat=6; |
2293 | | } |
2294 | | info.problemStatus=iStat; |
2295 | | info.objValue = value; |
2296 | | pos += sprintf(buf+pos," objective %.*g",ampl_obj_prec(), |
2297 | | value); |
2298 | | sprintf(buf+pos,"\n%d iterations", |
2299 | | model2->getIterationCount()); |
2300 | | free(info.primalSolution); |
2301 | | int numberColumns=model2->numberColumns(); |
2302 | | info.primalSolution = (double *) malloc(numberColumns*sizeof(double)); |
2303 | | CoinCopyN(model2->primalColumnSolution(),numberColumns,info.primalSolution); |
2304 | | int numberRows = model2->numberRows(); |
2305 | | free(info.dualSolution); |
2306 | | info.dualSolution = (double *) malloc(numberRows*sizeof(double)); |
2307 | | CoinCopyN(model2->dualRowSolution(),numberRows,info.dualSolution); |
2308 | | CoinWarmStartBasis * basis = model2->getBasis(); |
2309 | | free(info.rowStatus); |
2310 | | info.rowStatus = (int *) malloc(numberRows*sizeof(int)); |
2311 | | free(info.columnStatus); |
2312 | | info.columnStatus = (int *) malloc(numberColumns*sizeof(int)); |
2313 | | // Put basis in |
2314 | | int i; |
2315 | | // free,basic,ub,lb are 0,1,2,3 |
2316 | | for (i=0;i<numberRows;i++) { |
2317 | | CoinWarmStartBasis::Status status = basis->getArtifStatus(i); |
2318 | | info.rowStatus[i]=status; |
2319 | | } |
2320 | | for (i=0;i<numberColumns;i++) { |
2321 | | CoinWarmStartBasis::Status status = basis->getStructStatus(i); |
2322 | | info.columnStatus[i]=status; |
2323 | | } |
2324 | | // put buffer into info |
2325 | | strcpy(info.buffer,buf); |
2326 | | delete basis; |
2327 | | } |
2328 | | #endif |
2329 | | } else { |
2330 | | std::cout<<"** Current model not valid"<<std::endl; |
2331 | | } |
2332 | | break; |
2333 | | case STATISTICS: |
2334 | | if (goodModel) { |
2335 | | // If presolve on look at presolved |
2336 | | bool deleteModel2=false; |
2337 | | ClpSimplex * model2 = lpSolver; |
2338 | | if (preSolve) { |
2339 | | ClpPresolve pinfo; |
2340 | | int presolveOptions2 = presolveOptions&~0x40000000; |
2341 | | if ((presolveOptions2&0xffff)!=0) |
2342 | | pinfo.setPresolveActions(presolveOptions2); |
2343 | | pinfo.setSubstitution(substitution); |
2344 | | if ((printOptions&1)!=0) |
2345 | | pinfo.statistics(); |
2346 | | double presolveTolerance = |
2347 | | parameters[whichParam(PRESOLVETOLERANCE,numberParameters,parameters)].doubleValue(); |
2348 | | model2 = |
2349 | | pinfo.presolvedModel(*lpSolver,presolveTolerance, |
2350 | | true,preSolve); |
2351 | | if (model2) { |
2352 | | printf("Statistics for presolved model\n"); |
2353 | | deleteModel2=true; |
2354 | | } else { |
2355 | | printf("Presolved model looks infeasible - will use unpresolved\n"); |
2356 | | model2 = lpSolver; |
2357 | | } |
2358 | | } else { |
2359 | | printf("Statistics for unpresolved model\n"); |
2360 | | model2 = lpSolver; |
2361 | | } |
2362 | | statistics(lpSolver,model2); |
2363 | | if (deleteModel2) |
2364 | | delete model2; |
2365 | | } else { |
2366 | | std::cout<<"** Current model not valid"<<std::endl; |
2367 | | } |
2368 | | break; |
2369 | | case TIGHTEN: |
2370 | | if (goodModel) { |
2371 | | int numberInfeasibilities = lpSolver->tightenPrimalBounds(); |
2372 | | if (numberInfeasibilities) |
2373 | | std::cout<<"** Analysis indicates model infeasible"<<std::endl; |
2374 | | } else { |
2375 | | std::cout<<"** Current model not valid"<<std::endl; |
2376 | | } |
2377 | | break; |
2378 | | case PLUSMINUS: |
2379 | | if (goodModel) { |
2380 | | ClpMatrixBase * saveMatrix = lpSolver->clpMatrix(); |
2381 | | ClpPackedMatrix* clpMatrix = |
2382 | | dynamic_cast< ClpPackedMatrix*>(saveMatrix); |
2383 | | if (clpMatrix) { |
2384 | | ClpPlusMinusOneMatrix * newMatrix = new ClpPlusMinusOneMatrix(*(clpMatrix->matrix())); |
2385 | | if (newMatrix->getIndices()) { |
2386 | | lpSolver->replaceMatrix(newMatrix); |
2387 | | delete saveMatrix; |
2388 | | std::cout<<"Matrix converted to +- one matrix"<<std::endl; |
2389 | | } else { |
2390 | | std::cout<<"Matrix can not be converted to +- 1 matrix"<<std::endl; |
2391 | | } |
2392 | | } else { |
2393 | | std::cout<<"Matrix not a ClpPackedMatrix"<<std::endl; |
2394 | | } |
2395 | | } else { |
2396 | | std::cout<<"** Current model not valid"<<std::endl; |
2397 | | } |
2398 | | break; |
2399 | | case OUTDUPROWS: |
2400 | | if (goodModel) { |
2401 | | int numberRows = clpSolver->getNumRows(); |
2402 | | //int nOut = outDupRow(clpSolver); |
2403 | | CglDuplicateRow dupcuts(clpSolver); |
2404 | | storedCuts = dupcuts.outDuplicates(clpSolver)!=0; |
2405 | | int nOut = numberRows-clpSolver->getNumRows(); |
2406 | | if (nOut&&!noPrinting) |
2407 | | printf("%d rows eliminated\n",nOut); |
2408 | | } else { |
2409 | | std::cout<<"** Current model not valid"<<std::endl; |
2410 | | } |
2411 | | break; |
2412 | | case NETWORK: |
2413 | | if (goodModel) { |
2414 | | ClpMatrixBase * saveMatrix = lpSolver->clpMatrix(); |
2415 | | ClpPackedMatrix* clpMatrix = |
2416 | | dynamic_cast< ClpPackedMatrix*>(saveMatrix); |
2417 | | if (clpMatrix) { |
2418 | | ClpNetworkMatrix * newMatrix = new ClpNetworkMatrix(*(clpMatrix->matrix())); |
2419 | | if (newMatrix->getIndices()) { |
2420 | | lpSolver->replaceMatrix(newMatrix); |
2421 | | delete saveMatrix; |
2422 | | std::cout<<"Matrix converted to network matrix"<<std::endl; |
2423 | | } else { |
2424 | | std::cout<<"Matrix can not be converted to network matrix"<<std::endl; |
2425 | | } |
2426 | | } else { |
2427 | | std::cout<<"Matrix not a ClpPackedMatrix"<<std::endl; |
2428 | | } |
2429 | | } else { |
2430 | | std::cout<<"** Current model not valid"<<std::endl; |
2431 | | } |
2432 | | break; |
2433 | | case MIPLIB: |
2434 | | // User can set options - main difference is lack of model and CglPreProcess |
2435 | | goodModel=true; |
2436 | | /* |
2437 | | Run branch-and-cut. First set a few options -- node comparison, scaling. If |
2438 | | the solver is Clp, consider running some presolve code (not yet converted |
2439 | | this to generic OSI) with branch-and-cut. If presolve is disabled, or the |
2440 | | solver is not Clp, simply run branch-and-cut. Print elapsed time at the end. |
2441 | | */ |
2442 | | case BAB: // branchAndBound |
2443 | | case STRENGTHEN: |
2444 | | if (goodModel) { |
2445 | | bool miplib = type==MIPLIB; |
2446 | | int logLevel = parameters[slog].intValue(); |
2447 | | // Reduce printout |
2448 | | if (logLevel<=1) |
2449 | | model.solver()->setHintParam(OsiDoReducePrint,true,OsiHintTry); |
2450 | | #ifdef COIN_HAS_LINK |
2451 | | { |
2452 | | OsiSolverInterface * solver = model.solver(); |
2453 | | OsiClpSolverInterface * si = |
2454 | | dynamic_cast<OsiClpSolverInterface *>(solver) ; |
2455 | | assert (si != NULL); |
2456 | | // See if quadratic |
2457 | | if (!complicatedInteger) { |
2458 | | ClpSimplex * lpSolver = si->getModelPtr(); |
2459 | | ClpQuadraticObjective * obj = (dynamic_cast< ClpQuadraticObjective*>(lpSolver->objectiveAsObject())); |
2460 | | if (obj) { |
2461 | | preProcess=0; |
2462 | | parameters[whichParam(TESTOSI,numberParameters,parameters)].setIntValue(0); |
2463 | | // create coin model |
2464 | | coinModel = lpSolver->createCoinModel(); |
2465 | | assert (coinModel); |
2466 | | // load from coin model |
2467 | | OsiSolverLink solver1; |
2468 | | OsiSolverInterface * solver2 = solver1.clone(); |
2469 | | model.assignSolver(solver2,true); |
2470 | | OsiSolverLink * si = |
2471 | | dynamic_cast<OsiSolverLink *>(model.solver()) ; |
2472 | | assert (si != NULL); |
2473 | | si->setDefaultMeshSize(0.001); |
2474 | | // need some relative granularity |
2475 | | si->setDefaultBound(100.0); |
2476 | | si->setDefaultMeshSize(0.01); |
2477 | | si->setDefaultBound(1000.0); |
2478 | | si->setIntegerPriority(1000); |
2479 | | si->setBiLinearPriority(10000); |
2480 | | si->setSpecialOptions2(2+4+8); |
2481 | | CoinModel * model2 = (CoinModel *) coinModel; |
2482 | | si->load(*model2,true,info.logLevel); |
2483 | | // redo |
2484 | | solver = model.solver(); |
2485 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (solver); |
2486 | | lpSolver = clpSolver->getModelPtr(); |
2487 | | clpSolver->messageHandler()->setLogLevel(0) ; |
2488 | | testOsiParameters=0; |
2489 | | complicatedInteger=2; // allow cuts |
2490 | | OsiSolverInterface * coinSolver = model.solver(); |
2491 | | OsiSolverLink * linkSolver = dynamic_cast< OsiSolverLink*> (coinSolver); |
2492 | | if (linkSolver->quadraticModel()) { |
2493 | | ClpSimplex * qp = linkSolver->quadraticModel(); |
2494 | | //linkSolver->nonlinearSLP(CoinMax(slpValue,10),1.0e-5); |
2495 | | qp->nonlinearSLP(CoinMax(slpValue,20),1.0e-5); |
2496 | | qp->primal(1); |
2497 | | OsiSolverLinearizedQuadratic solver2(qp); |
2498 | | const double * solution=NULL; |
2499 | | // Reduce printout |
2500 | | solver2.setHintParam(OsiDoReducePrint,true,OsiHintTry); |
2501 | | CbcModel model2(solver2); |
2502 | | // Now do requested saves and modifications |
2503 | | CbcModel * cbcModel = & model2; |
2504 | | OsiSolverInterface * osiModel = model2.solver(); |
2505 | | OsiClpSolverInterface * osiclpModel = dynamic_cast< OsiClpSolverInterface*> (osiModel); |
2506 | | ClpSimplex * clpModel = osiclpModel->getModelPtr(); |
2507 | | |
2508 | | // Set changed values |
2509 | | |
2510 | | CglProbing probing; |
2511 | | probing.setMaxProbe(10); |
2512 | | probing.setMaxLook(10); |
2513 | | probing.setMaxElements(200); |
2514 | | probing.setMaxProbeRoot(50); |
2515 | | probing.setMaxLookRoot(10); |
2516 | | probing.setRowCuts(3); |
2517 | | probing.setUsingObjective(true); |
2518 | | cbcModel->addCutGenerator(&probing,-1,"Probing",true,false,false,-100,-1,-1); |
2519 | | cbcModel->cutGenerator(0)->setTiming(true); |
2520 | | |
2521 | | CglGomory gomory; |
2522 | | gomory.setLimitAtRoot(512); |
2523 | | cbcModel->addCutGenerator(&gomory,-98,"Gomory",true,false,false,-100,-1,-1); |
2524 | | cbcModel->cutGenerator(1)->setTiming(true); |
2525 | | |
2526 | | CglKnapsackCover knapsackCover; |
2527 | | cbcModel->addCutGenerator(&knapsackCover,-98,"KnapsackCover",true,false,false,-100,-1,-1); |
2528 | | cbcModel->cutGenerator(2)->setTiming(true); |
2529 | | |
2530 | | CglRedSplit redSplit; |
2531 | | cbcModel->addCutGenerator(&redSplit,-99,"RedSplit",true,false,false,-100,-1,-1); |
2532 | | cbcModel->cutGenerator(3)->setTiming(true); |
2533 | | |
2534 | | CglClique clique; |
2535 | | clique.setStarCliqueReport(false); |
2536 | | clique.setRowCliqueReport(false); |
2537 | | clique.setMinViolation(0.1); |
2538 | | cbcModel->addCutGenerator(&clique,-98,"Clique",true,false,false,-100,-1,-1); |
2539 | | cbcModel->cutGenerator(4)->setTiming(true); |
2540 | | |
2541 | | CglMixedIntegerRounding2 mixedIntegerRounding2; |
2542 | | cbcModel->addCutGenerator(&mixedIntegerRounding2,-98,"MixedIntegerRounding2",true,false,false,-100,-1,-1); |
2543 | | cbcModel->cutGenerator(5)->setTiming(true); |
2544 | | |
2545 | | CglFlowCover flowCover; |
2546 | | cbcModel->addCutGenerator(&flowCover,-98,"FlowCover",true,false,false,-100,-1,-1); |
2547 | | cbcModel->cutGenerator(6)->setTiming(true); |
2548 | | |
2549 | | CglTwomir twomir; |
2550 | | twomir.setMaxElements(250); |
2551 | | cbcModel->addCutGenerator(&twomir,-99,"Twomir",true,false,false,-100,-1,-1); |
2552 | | cbcModel->cutGenerator(7)->setTiming(true); |
2553 | | |
2554 | | CbcHeuristicFPump heuristicFPump(*cbcModel); |
2555 | | heuristicFPump.setWhen(13); |
2556 | | heuristicFPump.setMaximumPasses(20); |
2557 | | heuristicFPump.setMaximumRetries(7); |
2558 | | heuristicFPump.setAbsoluteIncrement(4332.64); |
2559 | | cbcModel->addHeuristic(&heuristicFPump); |
2560 | | heuristicFPump.setInitialWeight(1); |
2561 | | |
2562 | | CbcRounding rounding(*cbcModel); |
2563 | | cbcModel->addHeuristic(&rounding); |
2564 | | |
2565 | | CbcHeuristicLocal heuristicLocal(*cbcModel); |
2566 | | heuristicLocal.setSearchType(1); |
2567 | | cbcModel->addHeuristic(&heuristicLocal); |
2568 | | |
2569 | | CbcHeuristicGreedyCover heuristicGreedyCover(*cbcModel); |
2570 | | cbcModel->addHeuristic(&heuristicGreedyCover); |
2571 | | |
2572 | | CbcHeuristicGreedyEquality heuristicGreedyEquality(*cbcModel); |
2573 | | cbcModel->addHeuristic(&heuristicGreedyEquality); |
2574 | | |
2575 | | CbcCompareDefault compare; |
2576 | | cbcModel->setNodeComparison(compare); |
2577 | | cbcModel->setNumberBeforeTrust(5); |
2578 | | cbcModel->setSpecialOptions(2); |
2579 | | cbcModel->messageHandler()->setLogLevel(1); |
2580 | | cbcModel->setMaximumCutPassesAtRoot(-100); |
2581 | | cbcModel->setMaximumCutPasses(1); |
2582 | | cbcModel->setMinimumDrop(0.05); |
2583 | | // For branchAndBound this may help |
2584 | | clpModel->defaultFactorizationFrequency(); |
2585 | | clpModel->setDualBound(1.0001e+08); |
2586 | | clpModel->setPerturbation(50); |
2587 | | osiclpModel->setSpecialOptions(193); |
2588 | | osiclpModel->messageHandler()->setLogLevel(0); |
2589 | | osiclpModel->setIntParam(OsiMaxNumIterationHotStart,100); |
2590 | | osiclpModel->setHintParam(OsiDoReducePrint,true,OsiHintTry); |
2591 | | // You can save some time by switching off message building |
2592 | | // clpModel->messagesPointer()->setDetailMessages(100,10000,(int *) NULL); |
2593 | | |
2594 | | // Solve |
2595 | | |
2596 | | cbcModel->initialSolve(); |
2597 | | if (clpModel->tightenPrimalBounds()!=0) { |
2598 | | std::cout<<"Problem is infeasible - tightenPrimalBounds!"<<std::endl; |
2599 | | exit(1); |
2600 | | } |
2601 | | clpModel->dual(); // clean up |
2602 | | cbcModel->initialSolve(); |
2603 | | cbcModel->branchAndBound(); |
2604 | | OsiSolverLinearizedQuadratic * solver3 = dynamic_cast<OsiSolverLinearizedQuadratic *> (model2.solver()); |
2605 | | assert (solver3); |
2606 | | solution = solver3->bestSolution(); |
2607 | | double bestObjectiveValue = solver3->bestObjectiveValue(); |
2608 | | linkSolver->setBestObjectiveValue(bestObjectiveValue); |
2609 | | linkSolver->setBestSolution(solution,solver3->getNumCols()); |
2610 | | CbcHeuristicDynamic3 dynamic(model); |
2611 | | model.addHeuristic(&dynamic); |
2612 | | // if convex |
2613 | | if ((linkSolver->specialOptions2()&4)!=0) { |
2614 | | int numberColumns = coinModel->numberColumns(); |
2615 | | // add OA cut |
2616 | | double offset; |
2617 | | double * gradient = new double [numberColumns+1]; |
2618 | | memcpy(gradient,qp->objectiveAsObject()->gradient(qp,solution,offset,true,2), |
2619 | | numberColumns*sizeof(double)); |
2620 | | double rhs = 0.0; |
2621 | | int * column = new int[numberColumns+1]; |
2622 | | int n=0; |
2623 | | for (int i=0;i<numberColumns;i++) { |
2624 | | double value = gradient[i]; |
2625 | | if (fabs(value)>1.0e-12) { |
2626 | | gradient[n]=value; |
2627 | | rhs += value*solution[i]; |
2628 | | column[n++]=i; |
2629 | | } |
2630 | | } |
2631 | | gradient[n]=-1.0; |
2632 | | column[n++]=numberColumns; |
2633 | | storedAmpl.addCut(-COIN_DBL_MAX,offset+1.0e-7,n,column,gradient); |
2634 | | delete [] gradient; |
2635 | | delete [] column; |
2636 | | } |
2637 | | // could do three way branching round a) continuous b) best solution |
2638 | | printf("obj %g\n",bestObjectiveValue); |
2639 | | linkSolver->initialSolve(); |
2640 | | } |
2641 | | } |
2642 | | } |
2643 | | si->setSpecialOptions(0x40000000); |
2644 | | } |
2645 | | #endif |
2646 | | if (!miplib) { |
2647 | | if (!preSolve) { |
2648 | | model.solver()->setHintParam(OsiDoPresolveInInitial,false,OsiHintTry); |
2649 | | model.solver()->setHintParam(OsiDoPresolveInResolve,false,OsiHintTry); |
2650 | | } |
2651 | | model.initialSolve(); |
2652 | | OsiSolverInterface * solver = model.solver(); |
2653 | | OsiClpSolverInterface * si = |
2654 | | dynamic_cast<OsiClpSolverInterface *>(solver) ; |
2655 | | ClpSimplex * clpSolver = si->getModelPtr(); |
2656 | | if (!complicatedInteger&&clpSolver->tightenPrimalBounds()!=0) { |
2657 | | std::cout<<"Problem is infeasible - tightenPrimalBounds!"<<std::endl; |
2658 | | exit(1); |
2659 | | } |
2660 | | if (clpSolver->dualBound()==1.0e10) { |
2661 | | // user did not set - so modify |
2662 | | // get largest scaled away from bound |
2663 | | double largest=1.0e-12; |
2664 | | int numberRows = clpSolver->numberRows(); |
2665 | | const double * rowPrimal = clpSolver->primalRowSolution(); |
2666 | | const double * rowLower = clpSolver->rowLower(); |
2667 | | const double * rowUpper = clpSolver->rowUpper(); |
2668 | | const double * rowScale = clpSolver->rowScale(); |
2669 | | int iRow; |
2670 | | for (iRow=0;iRow<numberRows;iRow++) { |
2671 | | double value = rowPrimal[iRow]; |
2672 | | double above = value-rowLower[iRow]; |
2673 | | double below = rowUpper[iRow]-value; |
2674 | | if (rowScale) { |
2675 | | double multiplier = rowScale[iRow]; |
2676 | | above *= multiplier; |
2677 | | below *= multiplier; |
2678 | | } |
2679 | | if (above<1.0e12) |
2680 | | largest = CoinMax(largest,above); |
2681 | | if (below<1.0e12) |
2682 | | largest = CoinMax(largest,below); |
2683 | | } |
2684 | | |
2685 | | int numberColumns = clpSolver->numberColumns(); |
2686 | | const double * columnPrimal = clpSolver->primalColumnSolution(); |
2687 | | const double * columnLower = clpSolver->columnLower(); |
2688 | | const double * columnUpper = clpSolver->columnUpper(); |
2689 | | const double * columnScale = clpSolver->columnScale(); |
2690 | | int iColumn; |
2691 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
2692 | | double value = columnPrimal[iColumn]; |
2693 | | double above = value-columnLower[iColumn]; |
2694 | | double below = columnUpper[iColumn]-value; |
2695 | | if (columnScale) { |
2696 | | double multiplier = 1.0/columnScale[iColumn]; |
2697 | | above *= multiplier; |
2698 | | below *= multiplier; |
2699 | | } |
2700 | | if (above<1.0e12) |
2701 | | largest = CoinMax(largest,above); |
2702 | | if (below<1.0e12) |
2703 | | largest = CoinMax(largest,below); |
2704 | | } |
2705 | | //if (!noPrinting) |
2706 | | //std::cout<<"Largest (scaled) away from bound "<<largest<<std::endl; |
2707 | | clpSolver->setDualBound(CoinMax(1.0001e8,CoinMin(1000.0*largest,1.00001e10))); |
2708 | | } |
2709 | | clpSolver->dual(); // clean up |
2710 | | } |
2711 | | // If user made settings then use them |
2712 | | if (!defaultSettings) { |
2713 | | OsiSolverInterface * solver = model.solver(); |
2714 | | if (!doScaling) |
2715 | | solver->setHintParam(OsiDoScale,false,OsiHintTry); |
2716 | | OsiClpSolverInterface * si = |
2717 | | dynamic_cast<OsiClpSolverInterface *>(solver) ; |
2718 | | assert (si != NULL); |
2719 | | // get clp itself |
2720 | | ClpSimplex * modelC = si->getModelPtr(); |
2721 | | //if (modelC->tightenPrimalBounds()!=0) { |
2722 | | //std::cout<<"Problem is infeasible!"<<std::endl; |
2723 | | //break; |
2724 | | //} |
2725 | | // bounds based on continuous |
2726 | | if (tightenFactor&&!complicatedInteger) { |
2727 | | if (modelC->tightenPrimalBounds(tightenFactor)!=0) { |
2728 | | std::cout<<"Problem is infeasible!"<<std::endl; |
2729 | | break; |
2730 | | } |
2731 | | } |
2732 | | if (djFix<1.0e20) { |
2733 | | // do some fixing |
2734 | | int numberColumns = modelC->numberColumns(); |
2735 | | int i; |
2736 | | const char * type = modelC->integerInformation(); |
2737 | | double * lower = modelC->columnLower(); |
2738 | | double * upper = modelC->columnUpper(); |
2739 | | double * solution = modelC->primalColumnSolution(); |
2740 | | double * dj = modelC->dualColumnSolution(); |
2741 | | int numberFixed=0; |
2742 | | for (i=0;i<numberColumns;i++) { |
2743 | | if (type[i]) { |
2744 | | double value = solution[i]; |
2745 | | if (value<lower[i]+1.0e-5&&dj[i]>djFix) { |
2746 | | solution[i]=lower[i]; |
2747 | | upper[i]=lower[i]; |
2748 | | numberFixed++; |
2749 | | } else if (value>upper[i]-1.0e-5&&dj[i]<-djFix) { |
2750 | | solution[i]=upper[i]; |
2751 | | lower[i]=upper[i]; |
2752 | | numberFixed++; |
2753 | | } |
2754 | | } |
2755 | | } |
2756 | | printf("%d columns fixed\n",numberFixed); |
2757 | | } |
2758 | | } |
2759 | | // See if we want preprocessing |
2760 | | OsiSolverInterface * saveSolver=NULL; |
2761 | | CglPreProcess process; |
2762 | | delete babModel; |
2763 | | babModel = new CbcModel(model); |
2764 | | OsiSolverInterface * solver3 = clpSolver->clone(); |
2765 | | babModel->assignSolver(solver3); |
2766 | | OsiClpSolverInterface * clpSolver2 = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
2767 | | int numberChanged=0; |
2768 | | if (clpSolver2->messageHandler()->logLevel()) |
2769 | | clpSolver2->messageHandler()->setLogLevel(1); |
2770 | | if (logLevel>-1) |
2771 | | clpSolver2->messageHandler()->setLogLevel(logLevel); |
2772 | | lpSolver = clpSolver2->getModelPtr(); |
2773 | | if (lpSolver->factorizationFrequency()==200&&!miplib) { |
2774 | | // User did not touch preset |
2775 | | int numberRows = lpSolver->numberRows(); |
2776 | | const int cutoff1=10000; |
2777 | | const int cutoff2=100000; |
2778 | | const int base=75; |
2779 | | const int freq0 = 50; |
2780 | | const int freq1=200; |
2781 | | const int freq2=400; |
2782 | | const int maximum=1000; |
2783 | | int frequency; |
2784 | | if (numberRows<cutoff1) |
2785 | | frequency=base+numberRows/freq0; |
2786 | | else if (numberRows<cutoff2) |
2787 | | frequency=base+cutoff1/freq0 + (numberRows-cutoff1)/freq1; |
2788 | | else |
2789 | | frequency=base+cutoff1/freq0 + (cutoff2-cutoff1)/freq1 + (numberRows-cutoff2)/freq2; |
2790 | | lpSolver->setFactorizationFrequency(CoinMin(maximum,frequency)); |
2791 | | } |
2792 | | time2 = CoinCpuTime(); |
2793 | | totalTime += time2-time1; |
2794 | | time1 = time2; |
2795 | | double timeLeft = babModel->getMaximumSeconds(); |
2796 | | int numberOriginalColumns = babModel->solver()->getNumCols(); |
2797 | | if (preProcess==7) { |
2798 | | // use strategy instead |
2799 | | preProcess=0; |
2800 | | useStrategy=true; |
2801 | | #ifdef COIN_HAS_LINK |
2802 | | // empty out any cuts |
2803 | | if (storedAmpl.sizeRowCuts()) { |
2804 | | printf("Emptying ampl stored cuts as internal preprocessing\n"); |
2805 | | CglStored temp; |
2806 | | storedAmpl=temp; |
2807 | | } |
2808 | | #endif |
2809 | | } |
2810 | | if (preProcess&&type==BAB) { |
2811 | | // See if sos from mps file |
2812 | | if (numberSOS==0&&clpSolver->numberSOS()&&doSOS) { |
2813 | | // SOS |
2814 | | numberSOS = clpSolver->numberSOS(); |
2815 | | const CoinSet * setInfo = clpSolver->setInfo(); |
2816 | | sosStart = new int [numberSOS+1]; |
2817 | | sosType = new char [numberSOS]; |
2818 | | int i; |
2819 | | int nTotal=0; |
2820 | | sosStart[0]=0; |
2821 | | for ( i=0;i<numberSOS;i++) { |
2822 | | int type = setInfo[i].setType(); |
2823 | | int n=setInfo[i].numberEntries(); |
2824 | | sosType[i]=type; |
2825 | | nTotal += n; |
2826 | | sosStart[i+1] = nTotal; |
2827 | | } |
2828 | | sosIndices = new int[nTotal]; |
2829 | | sosReference = new double [nTotal]; |
2830 | | for (i=0;i<numberSOS;i++) { |
2831 | | int n=setInfo[i].numberEntries(); |
2832 | | const int * which = setInfo[i].which(); |
2833 | | const double * weights = setInfo[i].weights(); |
2834 | | int base = sosStart[i]; |
2835 | | for (int j=0;j<n;j++) { |
2836 | | int k=which[j]; |
2837 | | sosIndices[j+base]=k; |
2838 | | sosReference[j+base] = weights ? weights[j] : (double) j; |
2839 | | } |
2840 | | } |
2841 | | } |
2842 | | saveSolver=babModel->solver()->clone(); |
2843 | | /* Do not try and produce equality cliques and |
2844 | | do up to 10 passes */ |
2845 | | OsiSolverInterface * solver2; |
2846 | | { |
2847 | | // Tell solver we are in Branch and Cut |
2848 | | saveSolver->setHintParam(OsiDoInBranchAndCut,true,OsiHintDo) ; |
2849 | | // Default set of cut generators |
2850 | | CglProbing generator1; |
2851 | | generator1.setUsingObjective(1); |
2852 | | generator1.setMaxPass(3); |
2853 | | generator1.setMaxProbeRoot(saveSolver->getNumCols()); |
2854 | | generator1.setMaxElements(100); |
2855 | | generator1.setMaxLookRoot(50); |
2856 | | generator1.setRowCuts(3); |
2857 | | // Add in generators |
2858 | | process.addCutGenerator(&generator1); |
2859 | | int translate[]={9999,0,0,-1,2,3,-2}; |
2860 | | process.messageHandler()->setLogLevel(babModel->logLevel()); |
2861 | | #ifdef COIN_HAS_ASL |
2862 | | if (info.numberSos&&doSOS&&usingAmpl) { |
2863 | | // SOS |
2864 | | numberSOS = info.numberSos; |
2865 | | sosStart = info.sosStart; |
2866 | | sosIndices = info.sosIndices; |
2867 | | } |
2868 | | #endif |
2869 | | if (numberSOS&&doSOS) { |
2870 | | // SOS |
2871 | | int numberColumns = saveSolver->getNumCols(); |
2872 | | char * prohibited = new char[numberColumns]; |
2873 | | memset(prohibited,0,numberColumns); |
2874 | | int n=sosStart[numberSOS]; |
2875 | | for (int i=0;i<n;i++) { |
2876 | | int iColumn = sosIndices[i]; |
2877 | | prohibited[iColumn]=1; |
2878 | | } |
2879 | | process.passInProhibited(prohibited,numberColumns); |
2880 | | delete [] prohibited; |
2881 | | } |
2882 | | int numberPasses = 10; |
2883 | | if (tunePreProcess>=1000) { |
2884 | | numberPasses = (tunePreProcess/1000)-1; |
2885 | | tunePreProcess = tunePreProcess % 1000; |
2886 | | } |
2887 | | if (doSprint>0) { |
2888 | | // Sprint for primal solves |
2889 | | ClpSolve::SolveType method = ClpSolve::usePrimalorSprint; |
2890 | | ClpSolve::PresolveType presolveType = ClpSolve::presolveOff; |
2891 | | int numberPasses = 5; |
2892 | | int options[] = {0,3,0,0,0,0}; |
2893 | | int extraInfo[] = {-1,20,-1,-1,-1,-1}; |
2894 | | extraInfo[1]=doSprint; |
2895 | | int independentOptions[] = {0,0,3}; |
2896 | | ClpSolve clpSolve(method,presolveType,numberPasses, |
2897 | | options,extraInfo,independentOptions); |
2898 | | // say use in OsiClp |
2899 | | clpSolve.setSpecialOption(6,1); |
2900 | | OsiClpSolverInterface * osiclp = dynamic_cast< OsiClpSolverInterface*> (saveSolver); |
2901 | | osiclp->setSolveOptions(clpSolve); |
2902 | | osiclp->setHintParam(OsiDoDualInResolve,false); |
2903 | | // switch off row copy |
2904 | | osiclp->getModelPtr()->setSpecialOptions(osiclp->getModelPtr()->specialOptions()|256); |
2905 | | osiclp->getModelPtr()->setInfeasibilityCost(1.0e11); |
2906 | | } |
2907 | | solver2 = process.preProcessNonDefault(*saveSolver,translate[preProcess],numberPasses, |
2908 | | tunePreProcess); |
2909 | | // Tell solver we are not in Branch and Cut |
2910 | | saveSolver->setHintParam(OsiDoInBranchAndCut,false,OsiHintDo) ; |
2911 | | if (solver2) |
2912 | | solver2->setHintParam(OsiDoInBranchAndCut,false,OsiHintDo) ; |
2913 | | } |
2914 | | #ifdef COIN_HAS_ASL |
2915 | | if (!solver2&&usingAmpl) { |
2916 | | // infeasible |
2917 | | info.problemStatus=1; |
2918 | | info.objValue = 1.0e100; |
2919 | | sprintf(info.buffer,"infeasible/unbounded by pre-processing"); |
2920 | | info.primalSolution=NULL; |
2921 | | info.dualSolution=NULL; |
2922 | | break; |
2923 | | } |
2924 | | #endif |
2925 | | if (!noPrinting) { |
2926 | | if (!solver2) { |
2927 | | printf("Pre-processing says infeasible or unbounded\n"); |
2928 | | break; |
2929 | | } else { |
2930 | | printf("processed model has %d rows, %d columns and %d elements\n", |
2931 | | solver2->getNumRows(),solver2->getNumCols(),solver2->getNumElements()); |
2932 | | } |
2933 | | } |
2934 | | //solver2->resolve(); |
2935 | | if (preProcess==2) { |
2936 | | OsiClpSolverInterface * clpSolver2 = dynamic_cast< OsiClpSolverInterface*> (solver2); |
2937 | | ClpSimplex * lpSolver = clpSolver2->getModelPtr(); |
2938 | | lpSolver->writeMps("presolved.mps",0,1,lpSolver->optimizationDirection()); |
2939 | | printf("Preprocessed model (minimization) on presolved.mps\n"); |
2940 | | } |
2941 | | // we have to keep solver2 so pass clone |
2942 | | solver2 = solver2->clone(); |
2943 | | babModel->assignSolver(solver2); |
2944 | | babModel->initialSolve(); |
2945 | | babModel->setMaximumSeconds(timeLeft-(CoinCpuTime()-time1)); |
2946 | | } |
2947 | | // now tighten bounds |
2948 | | if (!miplib) { |
2949 | | OsiClpSolverInterface * si = |
2950 | | dynamic_cast<OsiClpSolverInterface *>(babModel->solver()) ; |
2951 | | assert (si != NULL); |
2952 | | // get clp itself |
2953 | | ClpSimplex * modelC = si->getModelPtr(); |
2954 | | if (noPrinting) |
2955 | | modelC->setLogLevel(0); |
2956 | | if (!complicatedInteger&&modelC->tightenPrimalBounds()!=0) { |
2957 | | std::cout<<"Problem is infeasible!"<<std::endl; |
2958 | | break; |
2959 | | } |
2960 | | modelC->dual(); |
2961 | | } |
2962 | | #if 0 |
2963 | | numberDebugValues=599; |
2964 | | debugValues = new double[numberDebugValues]; |
2965 | | CoinZeroN(debugValues,numberDebugValues); |
2966 | | debugValues[3]=1.0; |
2967 | | debugValues[6]=25.0; |
2968 | | debugValues[9]=4.0; |
2969 | | debugValues[26]=4.0; |
2970 | | debugValues[27]=6.0; |
2971 | | debugValues[35]=8.0; |
2972 | | debugValues[53]=21.0; |
2973 | | debugValues[56]=4.0; |
2974 | | #endif |
2975 | | if (debugValues) { |
2976 | | // for debug |
2977 | | std::string problemName ; |
2978 | | babModel->solver()->getStrParam(OsiProbName,problemName) ; |
2979 | | babModel->solver()->activateRowCutDebugger(problemName.c_str()) ; |
2980 | | twomirGen.probname_=strdup(problemName.c_str()); |
2981 | | // checking seems odd |
2982 | | //redsplitGen.set_given_optsol(babModel->solver()->getRowCutDebuggerAlways()->optimalSolution(), |
2983 | | // babModel->getNumCols()); |
2984 | | } |
2985 | | int testOsiOptions = parameters[whichParam(TESTOSI,numberParameters,parameters)].intValue(); |
2986 | | #ifdef COIN_HAS_LINK |
2987 | | // If linked then see if expansion wanted |
2988 | | { |
2989 | | OsiSolverLink * solver3 = dynamic_cast<OsiSolverLink *> (babModel->solver()); |
2990 | | if (solver3) { |
2991 | | int options = parameters[whichParam(MIPOPTIONS,numberParameters,parameters)].intValue()/10000; |
2992 | | if (options) { |
2993 | | /* |
2994 | | 1 - force mini branch and bound |
2995 | | 2 - set priorities high on continuous |
2996 | | 4 - try adding OA cuts |
2997 | | 8 - try doing quadratic linearization |
2998 | | 16 - try expanding knapsacks |
2999 | | */ |
3000 | | if ((options&16)) { |
3001 | | int numberColumns = saveCoinModel.numberColumns(); |
3002 | | int numberRows = saveCoinModel.numberRows(); |
3003 | | whichColumn = new int[numberColumns]; |
3004 | | knapsackStart=new int[numberRows+1]; |
3005 | | knapsackRow=new int[numberRows]; |
3006 | | numberKnapsack=10000; |
3007 | | int extra1 = parameters[whichParam(EXTRA1,numberParameters,parameters)].intValue(); |
3008 | | int extra2 = parameters[whichParam(EXTRA2,numberParameters,parameters)].intValue(); |
3009 | | int logLevel = parameters[log].intValue(); |
3010 | | OsiSolverInterface * solver = expandKnapsack(saveCoinModel,whichColumn,knapsackStart, |
3011 | | knapsackRow,numberKnapsack, |
3012 | | storedAmpl,logLevel,extra1,extra2); |
3013 | | if (solver) { |
3014 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (solver); |
3015 | | assert (clpSolver); |
3016 | | lpSolver = clpSolver->getModelPtr(); |
3017 | | babModel->assignSolver(solver); |
3018 | | testOsiOptions=0; |
3019 | | // Priorities already done |
3020 | | free(info.priorities); |
3021 | | info.priorities=NULL; |
3022 | | } else { |
3023 | | numberKnapsack=0; |
3024 | | delete [] whichColumn; |
3025 | | delete [] knapsackStart; |
3026 | | delete [] knapsackRow; |
3027 | | whichColumn=NULL; |
3028 | | knapsackStart=NULL; |
3029 | | knapsackRow=NULL; |
3030 | | } |
3031 | | } |
3032 | | } |
3033 | | } |
3034 | | } |
3035 | | #endif |
3036 | | if (useCosts&&testOsiOptions<0) { |
3037 | | int numberColumns = babModel->getNumCols(); |
3038 | | int * sort = new int[numberColumns]; |
3039 | | double * dsort = new double[numberColumns]; |
3040 | | int * priority = new int [numberColumns]; |
3041 | | const double * objective = babModel->getObjCoefficients(); |
3042 | | const double * lower = babModel->getColLower() ; |
3043 | | const double * upper = babModel->getColUpper() ; |
3044 | | const CoinPackedMatrix * matrix = babModel->solver()->getMatrixByCol(); |
3045 | | const int * columnLength = matrix->getVectorLengths(); |
3046 | | int iColumn; |
3047 | | int n=0; |
3048 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
3049 | | if (babModel->isInteger(iColumn)) { |
3050 | | sort[n]=n; |
3051 | | if (useCosts==1) |
3052 | | dsort[n++]=-fabs(objective[iColumn]); |
3053 | | else if (useCosts==2) |
3054 | | dsort[n++]=iColumn; |
3055 | | else if (useCosts==3) |
3056 | | dsort[n++]=upper[iColumn]-lower[iColumn]; |
3057 | | else if (useCosts==4) |
3058 | | dsort[n++]=-(upper[iColumn]-lower[iColumn]); |
3059 | | else if (useCosts==5) |
3060 | | dsort[n++]=-columnLength[iColumn]; |
3061 | | } |
3062 | | } |
3063 | | CoinSort_2(dsort,dsort+n,sort); |
3064 | | int level=0; |
3065 | | double last = -1.0e100; |
3066 | | for (int i=0;i<n;i++) { |
3067 | | int iPut=sort[i]; |
3068 | | if (dsort[i]!=last) { |
3069 | | level++; |
3070 | | last=dsort[i]; |
3071 | | } |
3072 | | priority[iPut]=level; |
3073 | | } |
3074 | | babModel->passInPriorities( priority,false); |
3075 | | delete [] priority; |
3076 | | delete [] sort; |
3077 | | delete [] dsort; |
3078 | | } |
3079 | | // FPump done first as it only works if no solution |
3080 | | CbcHeuristicFPump heuristic4(*babModel); |
3081 | | if (useFpump) { |
3082 | | heuristic4.setMaximumPasses(parameters[whichParam(FPUMPITS,numberParameters,parameters)].intValue()); |
3083 | | int pumpTune=parameters[whichParam(FPUMPTUNE,numberParameters,parameters)].intValue(); |
3084 | | if (pumpTune>0) { |
3085 | | /* |
3086 | | >=10000000 for using obj |
3087 | | >=1000000 use as accumulate switch |
3088 | | >=1000 use index+1 as number of large loops |
3089 | | >=100 use 0.05 objvalue as increment |
3090 | | >=10 use +0.1 objvalue for cutoff (add) |
3091 | | 1 == fix ints at bounds, 2 fix all integral ints, 3 and continuous at bounds |
3092 | | 4 and static continuous, 5 as 3 but no internal integers |
3093 | | 6 as 3 but all slack basis! |
3094 | | */ |
3095 | | int logLevel = parameters[log].intValue(); |
3096 | | double value = babModel->solver()->getObjSense()*babModel->solver()->getObjValue(); |
3097 | | int w = pumpTune/10; |
3098 | | int c = w % 10; |
3099 | | w /= 10; |
3100 | | int i = w % 10; |
3101 | | w /= 10; |
3102 | | int r = w; |
3103 | | int accumulate = r/1000; |
3104 | | r -= 1000*accumulate; |
3105 | | if (accumulate>=10) { |
3106 | | int which = accumulate/10; |
3107 | | accumulate -= 10*which; |
3108 | | which--; |
3109 | | // weights and factors |
3110 | | double weight[]={0.1,0.1,0.5,0.5,1.0,1.0,5.0,5.0}; |
3111 | | double factor[] = {0.1,0.5,0.1,0.5,0.1,0.5,0.1,0.5}; |
3112 | | heuristic4.setInitialWeight(weight[which]); |
3113 | | heuristic4.setWeightFactor(factor[which]); |
3114 | | } |
3115 | | // fake cutoff |
3116 | | if (logLevel>1) |
3117 | | printf("Setting "); |
3118 | | if (c) { |
3119 | | double cutoff; |
3120 | | babModel->solver()->getDblParam(OsiDualObjectiveLimit,cutoff); |
3121 | | cutoff = CoinMin(cutoff,value + 0.1*fabs(value)*c); |
3122 | | heuristic4.setFakeCutoff(cutoff); |
3123 | | if (logLevel>1) |
3124 | | printf("fake cutoff of %g ",cutoff); |
3125 | | } |
3126 | | if (i||r) { |
3127 | | // also set increment |
3128 | | heuristic4.setAbsoluteIncrement((0.01*i+0.005)*(fabs(value)+1.0e-12)); |
3129 | | heuristic4.setAccumulate(accumulate); |
3130 | | heuristic4.setMaximumRetries(r+1); |
3131 | | if (logLevel>1) { |
3132 | | if (i) |
3133 | | printf("increment of %g ",heuristic4.absoluteIncrement()); |
3134 | | if (accumulate) |
3135 | | printf("accumulate of %d ",accumulate); |
3136 | | printf("%d retries ",r+2); |
3137 | | } |
3138 | | } |
3139 | | pumpTune = pumpTune%100; |
3140 | | if (logLevel>1) |
3141 | | printf("and setting when to %d\n",pumpTune+10); |
3142 | | if (pumpTune==6) |
3143 | | pumpTune =13; |
3144 | | heuristic4.setWhen(pumpTune+10); |
3145 | | } |
3146 | | babModel->addHeuristic(&heuristic4); |
3147 | | } |
3148 | | if (!miplib) { |
3149 | | CbcRounding heuristic1(*babModel); |
3150 | | if (useRounding) |
3151 | | babModel->addHeuristic(&heuristic1) ; |
3152 | | CbcHeuristicLocal heuristic2(*babModel); |
3153 | | heuristic2.setSearchType(1); |
3154 | | if (useCombine) |
3155 | | babModel->addHeuristic(&heuristic2); |
3156 | | CbcHeuristicGreedyCover heuristic3(*babModel); |
3157 | | CbcHeuristicGreedyEquality heuristic3a(*babModel); |
3158 | | if (useGreedy) { |
3159 | | babModel->addHeuristic(&heuristic3); |
3160 | | babModel->addHeuristic(&heuristic3a); |
3161 | | } |
3162 | | if (useLocalTree) { |
3163 | | CbcTreeLocal localTree(babModel,NULL,10,0,0,10000,2000); |
3164 | | babModel->passInTreeHandler(localTree); |
3165 | | } |
3166 | | } |
3167 | | CbcHeuristicRINS heuristic5(*babModel); |
3168 | | if (useRINS) |
3169 | | babModel->addHeuristic(&heuristic5) ; |
3170 | | if (type==MIPLIB) { |
3171 | | if (babModel->numberStrong()==5&&babModel->numberBeforeTrust()==5) |
3172 | | babModel->setNumberBeforeTrust(50); |
3173 | | } |
3174 | | // add cut generators if wanted |
3175 | | int switches[20]; |
3176 | | int numberGenerators=0; |
3177 | | int translate[]={-100,-1,-99,-98,1,1,1,1}; |
3178 | | if (probingAction) { |
3179 | | if (probingAction==5||probingAction==7) |
3180 | | probingGen.setRowCuts(-3); // strengthening etc just at root |
3181 | | if (probingAction==6||probingAction==7) { |
3182 | | // Number of unsatisfied variables to look at |
3183 | | probingGen.setMaxProbe(1000); |
3184 | | probingGen.setMaxProbeRoot(1000); |
3185 | | // How far to follow the consequences |
3186 | | probingGen.setMaxLook(50); |
3187 | | probingGen.setMaxLookRoot(50); |
3188 | | } |
3189 | | babModel->addCutGenerator(&probingGen,translate[probingAction],"Probing"); |
3190 | | switches[numberGenerators++]=0; |
3191 | | } |
3192 | | if (gomoryAction&&(complicatedInteger!=1||gomoryAction==1)) { |
3193 | | babModel->addCutGenerator(&gomoryGen,translate[gomoryAction],"Gomory"); |
3194 | | switches[numberGenerators++]=-1; |
3195 | | } |
3196 | | if (knapsackAction) { |
3197 | | babModel->addCutGenerator(&knapsackGen,translate[knapsackAction],"Knapsack"); |
3198 | | switches[numberGenerators++]=0; |
3199 | | } |
3200 | | if (redsplitAction&&!complicatedInteger) { |
3201 | | babModel->addCutGenerator(&redsplitGen,translate[redsplitAction],"Reduce-and-split"); |
3202 | | switches[numberGenerators++]=1; |
3203 | | } |
3204 | | if (cliqueAction) { |
3205 | | babModel->addCutGenerator(&cliqueGen,translate[cliqueAction],"Clique"); |
3206 | | switches[numberGenerators++]=0; |
3207 | | } |
3208 | | if (mixedAction) { |
3209 | | babModel->addCutGenerator(&mixedGen,translate[mixedAction],"MixedIntegerRounding2"); |
3210 | | switches[numberGenerators++]=-1; |
3211 | | } |
3212 | | if (flowAction) { |
3213 | | babModel->addCutGenerator(&flowGen,translate[flowAction],"FlowCover"); |
3214 | | switches[numberGenerators++]=1; |
3215 | | } |
3216 | | if (twomirAction&&!complicatedInteger) { |
3217 | | babModel->addCutGenerator(&twomirGen,translate[twomirAction],"TwoMirCuts"); |
3218 | | switches[numberGenerators++]=1; |
3219 | | } |
3220 | | if (landpAction) { |
3221 | | babModel->addCutGenerator(&landpGen,translate[landpAction],"LiftAndProject"); |
3222 | | switches[numberGenerators++]=1; |
3223 | | } |
3224 | | if (storedCuts) |
3225 | | babModel->setSpecialOptions(babModel->specialOptions()|64); |
3226 | | // Say we want timings |
3227 | | numberGenerators = babModel->numberCutGenerators(); |
3228 | | int iGenerator; |
3229 | | int cutDepth= |
3230 | | parameters[whichParam(CUTDEPTH,numberParameters,parameters)].intValue(); |
3231 | | for (iGenerator=0;iGenerator<numberGenerators;iGenerator++) { |
3232 | | CbcCutGenerator * generator = babModel->cutGenerator(iGenerator); |
3233 | | int howOften = generator->howOften(); |
3234 | | if (howOften==-98||howOften==-99) |
3235 | | generator->setSwitchOffIfLessThan(switches[iGenerator]); |
3236 | | generator->setTiming(true); |
3237 | | if (cutDepth>=0) |
3238 | | generator->setWhatDepth(cutDepth) ; |
3239 | | } |
3240 | | // Could tune more |
3241 | | if (!miplib) { |
3242 | | babModel->setMinimumDrop(min(5.0e-2, |
3243 | | fabs(babModel->getMinimizationObjValue())*1.0e-3+1.0e-4)); |
3244 | | if (cutPass==-1234567) { |
3245 | | if (babModel->getNumCols()<500) |
3246 | | babModel->setMaximumCutPassesAtRoot(-100); // always do 100 if possible |
3247 | | else if (babModel->getNumCols()<5000) |
3248 | | babModel->setMaximumCutPassesAtRoot(100); // use minimum drop |
3249 | | else |
3250 | | babModel->setMaximumCutPassesAtRoot(20); |
3251 | | } else { |
3252 | | babModel->setMaximumCutPassesAtRoot(cutPass); |
3253 | | } |
3254 | | babModel->setMaximumCutPasses(1); |
3255 | | } |
3256 | | // Do more strong branching if small |
3257 | | //if (babModel->getNumCols()<5000) |
3258 | | //babModel->setNumberStrong(20); |
3259 | | // Switch off strong branching if wanted |
3260 | | //if (babModel->getNumCols()>10*babModel->getNumRows()) |
3261 | | //babModel->setNumberStrong(0); |
3262 | | if (!noPrinting) { |
3263 | | int iLevel = parameters[log].intValue(); |
3264 | | if (iLevel<0) { |
3265 | | babModel->setPrintingMode(1); |
3266 | | iLevel = -iLevel; |
3267 | | } |
3268 | | babModel->messageHandler()->setLogLevel(iLevel); |
3269 | | if (babModel->getNumCols()>2000||babModel->getNumRows()>1500|| |
3270 | | babModel->messageHandler()->logLevel()>1) |
3271 | | babModel->setPrintFrequency(100); |
3272 | | } |
3273 | | |
3274 | | babModel->solver()->setIntParam(OsiMaxNumIterationHotStart, |
3275 | | parameters[whichParam(MAXHOTITS,numberParameters,parameters)].intValue()); |
3276 | | OsiClpSolverInterface * osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
3277 | | // go faster stripes |
3278 | | if (osiclp->getNumRows()<300&&osiclp->getNumCols()<500) { |
3279 | | osiclp->setupForRepeatedUse(2,parameters[slog].intValue()); |
3280 | | } else { |
3281 | | osiclp->setupForRepeatedUse(0,parameters[slog].intValue()); |
3282 | | } |
3283 | | double increment=babModel->getCutoffIncrement();; |
3284 | | int * changed = NULL; |
3285 | | if (!miplib&&increment==normalIncrement) |
3286 | | changed=analyze( osiclp,numberChanged,increment,false); |
3287 | | if (debugValues) { |
3288 | | if (numberDebugValues==babModel->getNumCols()) { |
3289 | | // for debug |
3290 | | babModel->solver()->activateRowCutDebugger(debugValues) ; |
3291 | | } else { |
3292 | | printf("debug file has incorrect number of columns\n"); |
3293 | | } |
3294 | | } |
3295 | | babModel->setCutoffIncrement(CoinMax(babModel->getCutoffIncrement(),increment)); |
3296 | | // Turn this off if you get problems |
3297 | | // Used to be automatically set |
3298 | | int mipOptions = parameters[whichParam(MIPOPTIONS,numberParameters,parameters)].intValue()%10000; |
3299 | | if (mipOptions!=(1)) |
3300 | | printf("mip options %d\n",mipOptions); |
3301 | | osiclp->setSpecialOptions(mipOptions); |
3302 | | if (gapRatio < 1.0e100) { |
3303 | | double value = babModel->solver()->getObjValue() ; |
3304 | | double value2 = gapRatio*(1.0e-5+fabs(value)) ; |
3305 | | babModel->setAllowableGap(value2) ; |
3306 | | std::cout << "Continuous " << value |
3307 | | << ", so allowable gap set to " |
3308 | | << value2 << std::endl ; |
3309 | | } |
3310 | | // probably faster to use a basis to get integer solutions |
3311 | | babModel->setSpecialOptions(babModel->specialOptions()|2); |
3312 | | currentBranchModel = babModel; |
3313 | | OsiSolverInterface * strengthenedModel=NULL; |
3314 | | if (type==BAB||type==MIPLIB) { |
3315 | | int moreMipOptions = parameters[whichParam(MOREMIPOPTIONS,numberParameters,parameters)].intValue(); |
3316 | | if (moreMipOptions>=0) { |
3317 | | printf("more mip options %d\n",moreMipOptions); |
3318 | | OsiClpSolverInterface * osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
3319 | | if (moreMipOptions==10000) { |
3320 | | // test memory saving |
3321 | | moreMipOptions -= 10000; |
3322 | | ClpSimplex * lpSolver = osiclp->getModelPtr(); |
3323 | | lpSolver->setPersistenceFlag(1); |
3324 | | // switch off row copy if few rows |
3325 | | if (lpSolver->numberRows()<150) |
3326 | | lpSolver->setSpecialOptions(lpSolver->specialOptions()|256); |
3327 | | } |
3328 | | if (((moreMipOptions+1)%1000000)!=0) |
3329 | | babModel->setSearchStrategy(moreMipOptions%1000000); |
3330 | | // go faster stripes |
3331 | | if( moreMipOptions >=999999) { |
3332 | | if (osiclp) { |
3333 | | int save = osiclp->specialOptions(); |
3334 | | osiclp->setupForRepeatedUse(2,0); |
3335 | | osiclp->setSpecialOptions(save|osiclp->specialOptions()); |
3336 | | } |
3337 | | } |
3338 | | } |
3339 | | } |
3340 | | if (type==BAB) { |
3341 | | #ifdef COIN_HAS_ASL |
3342 | | if (usingAmpl) { |
3343 | | priorities=info.priorities; |
3344 | | branchDirection=info.branchDirection; |
3345 | | pseudoDown=info.pseudoDown; |
3346 | | pseudoUp=info.pseudoUp; |
3347 | | solutionIn=info.primalSolution; |
3348 | | prioritiesIn = info.priorities; |
3349 | | if (info.numberSos&&doSOS) { |
3350 | | // SOS |
3351 | | numberSOS = info.numberSos; |
3352 | | sosStart = info.sosStart; |
3353 | | sosIndices = info.sosIndices; |
3354 | | sosType = info.sosType; |
3355 | | sosReference = info.sosReference; |
3356 | | sosPriority = info.sosPriority; |
3357 | | } |
3358 | | } |
3359 | | #endif |
3360 | | const int * originalColumns = preProcess ? process.originalColumns() : NULL; |
3361 | | if (solutionIn&&useSolution) { |
3362 | | if (preProcess) { |
3363 | | int numberColumns = babModel->getNumCols(); |
3364 | | // extend arrays in case SOS |
3365 | | int n = originalColumns[numberColumns-1]+1; |
3366 | | int nSmaller = CoinMin(n,numberOriginalColumns); |
3367 | | double * solutionIn2 = new double [n]; |
3368 | | int * prioritiesIn2 = new int[n]; |
3369 | | int i; |
3370 | | for (i=0;i<nSmaller;i++) { |
3371 | | solutionIn2[i]=solutionIn[i]; |
3372 | | prioritiesIn2[i]=prioritiesIn[i]; |
3373 | | } |
3374 | | for (;i<n;i++) { |
3375 | | solutionIn2[i]=0.0; |
3376 | | prioritiesIn2[i]=1000000; |
3377 | | } |
3378 | | int iLast=-1; |
3379 | | for (i=0;i<numberColumns;i++) { |
3380 | | int iColumn = originalColumns[i]; |
3381 | | assert (iColumn>iLast); |
3382 | | iLast=iColumn; |
3383 | | solutionIn2[i]=solutionIn2[iColumn]; |
3384 | | if (prioritiesIn) |
3385 | | prioritiesIn2[i]=prioritiesIn2[iColumn]; |
3386 | | } |
3387 | | babModel->setHotstartSolution(solutionIn2,prioritiesIn2); |
3388 | | delete [] solutionIn2; |
3389 | | delete [] prioritiesIn2; |
3390 | | } else { |
3391 | | babModel->setHotstartSolution(solutionIn,prioritiesIn); |
3392 | | } |
3393 | | } |
3394 | | OsiSolverInterface * testOsiSolver= (testOsiOptions>=0) ? babModel->solver() : NULL; |
3395 | | if (!testOsiSolver) { |
3396 | | // ************************************************************* |
3397 | | // CbcObjects |
3398 | | if (preProcess&&process.numberSOS()) { |
3399 | | int numberSOS = process.numberSOS(); |
3400 | | int numberIntegers = babModel->numberIntegers(); |
3401 | | /* model may not have created objects |
3402 | | If none then create |
3403 | | */ |
3404 | | if (!numberIntegers||!babModel->numberObjects()) { |
3405 | | int type = (pseudoUp) ? 1 : 0; |
3406 | | babModel->findIntegers(true,type); |
3407 | | numberIntegers = babModel->numberIntegers(); |
3408 | | } |
3409 | | OsiObject ** oldObjects = babModel->objects(); |
3410 | | // Do sets and priorities |
3411 | | OsiObject ** objects = new OsiObject * [numberSOS]; |
3412 | | // set old objects to have low priority |
3413 | | int numberOldObjects = babModel->numberObjects(); |
3414 | | int numberColumns = babModel->getNumCols(); |
3415 | | for (int iObj = 0;iObj<numberOldObjects;iObj++) { |
3416 | | oldObjects[iObj]->setPriority(numberColumns+1); |
3417 | | int iColumn = oldObjects[iObj]->columnNumber(); |
3418 | | assert (iColumn>=0); |
3419 | | if (iColumn>=numberOriginalColumns) |
3420 | | continue; |
3421 | | if (originalColumns) |
3422 | | iColumn = originalColumns[iColumn]; |
3423 | | if (branchDirection) { |
3424 | | CbcSimpleInteger * obj = |
3425 | | dynamic_cast <CbcSimpleInteger *>(oldObjects[iObj]) ; |
3426 | | if (obj) { |
3427 | | obj->setPreferredWay(branchDirection[iColumn]); |
3428 | | } else { |
3429 | | CbcObject * obj = |
3430 | | dynamic_cast <CbcObject *>(oldObjects[iObj]) ; |
3431 | | assert (obj); |
3432 | | obj->setPreferredWay(branchDirection[iColumn]); |
3433 | | } |
3434 | | } |
3435 | | if (pseudoUp) { |
3436 | | CbcSimpleIntegerPseudoCost * obj1a = |
3437 | | dynamic_cast <CbcSimpleIntegerPseudoCost *>(oldObjects[iObj]) ; |
3438 | | assert (obj1a); |
3439 | | if (pseudoDown[iColumn]>0.0) |
3440 | | obj1a->setDownPseudoCost(pseudoDown[iColumn]); |
3441 | | if (pseudoUp[iColumn]>0.0) |
3442 | | obj1a->setUpPseudoCost(pseudoUp[iColumn]); |
3443 | | } |
3444 | | } |
3445 | | const int * starts = process.startSOS(); |
3446 | | const int * which = process.whichSOS(); |
3447 | | const int * type = process.typeSOS(); |
3448 | | const double * weight = process.weightSOS(); |
3449 | | int iSOS; |
3450 | | for (iSOS =0;iSOS<numberSOS;iSOS++) { |
3451 | | int iStart = starts[iSOS]; |
3452 | | int n=starts[iSOS+1]-iStart; |
3453 | | objects[iSOS] = new CbcSOS(babModel,n,which+iStart,weight+iStart, |
3454 | | iSOS,type[iSOS]); |
3455 | | // branch on long sets first |
3456 | | objects[iSOS]->setPriority(numberColumns-n); |
3457 | | } |
3458 | | babModel->addObjects(numberSOS,objects); |
3459 | | for (iSOS=0;iSOS<numberSOS;iSOS++) |
3460 | | delete objects[iSOS]; |
3461 | | delete [] objects; |
3462 | | } else if (priorities||branchDirection||pseudoDown||pseudoUp||numberSOS) { |
3463 | | // do anyway for priorities etc |
3464 | | int numberIntegers = babModel->numberIntegers(); |
3465 | | /* model may not have created objects |
3466 | | If none then create |
3467 | | */ |
3468 | | if (!numberIntegers||!babModel->numberObjects()) { |
3469 | | int type = (pseudoUp) ? 1 : 0; |
3470 | | babModel->findIntegers(true,type); |
3471 | | } |
3472 | | if (numberSOS) { |
3473 | | // Do sets and priorities |
3474 | | OsiObject ** objects = new OsiObject * [numberSOS]; |
3475 | | int iSOS; |
3476 | | if (originalColumns) { |
3477 | | // redo sequence numbers |
3478 | | int numberColumns = babModel->getNumCols(); |
3479 | | int nOld = originalColumns[numberColumns-1]+1; |
3480 | | int * back = new int[nOld]; |
3481 | | int i; |
3482 | | for (i=0;i<nOld;i++) |
3483 | | back[i]=-1; |
3484 | | for (i=0;i<numberColumns;i++) |
3485 | | back[originalColumns[i]]=i; |
3486 | | // Really need better checks |
3487 | | int nMissing=0; |
3488 | | int n=sosStart[numberSOS]; |
3489 | | for (i=0;i<n;i++) { |
3490 | | int iColumn = sosIndices[i]; |
3491 | | int jColumn = back[iColumn]; |
3492 | | if (jColumn>=0) |
3493 | | sosIndices[i] = jColumn; |
3494 | | else |
3495 | | nMissing++; |
3496 | | } |
3497 | | delete [] back; |
3498 | | if (nMissing) |
3499 | | printf("%d SOS variables vanished due to pre processing? - check validity?\n",nMissing); |
3500 | | } |
3501 | | for (iSOS =0;iSOS<numberSOS;iSOS++) { |
3502 | | int iStart = sosStart[iSOS]; |
3503 | | int n=sosStart[iSOS+1]-iStart; |
3504 | | objects[iSOS] = new CbcSOS(babModel,n,sosIndices+iStart,sosReference+iStart, |
3505 | | iSOS,sosType[iSOS]); |
3506 | | if (sosPriority) |
3507 | | objects[iSOS]->setPriority(sosPriority[iSOS]); |
3508 | | else if (!prioritiesIn) |
3509 | | objects[iSOS]->setPriority(10); // rather than 1000 |
3510 | | } |
3511 | | // delete any existing SOS objects |
3512 | | int numberObjects=babModel->numberObjects(); |
3513 | | OsiObject ** oldObjects=babModel->objects(); |
3514 | | int nNew=0; |
3515 | | for (int i=0;i<numberObjects;i++) { |
3516 | | OsiObject * objThis = oldObjects[i]; |
3517 | | CbcSOS * obj1 = |
3518 | | dynamic_cast <CbcSOS *>(objThis) ; |
3519 | | OsiSOS * obj2 = |
3520 | | dynamic_cast <OsiSOS *>(objThis) ; |
3521 | | if (!obj1&&!obj2) { |
3522 | | oldObjects[nNew++]=objThis; |
3523 | | } else { |
3524 | | delete objThis; |
3525 | | } |
3526 | | } |
3527 | | babModel->setNumberObjects(nNew); |
3528 | | babModel->addObjects(numberSOS,objects); |
3529 | | for (iSOS=0;iSOS<numberSOS;iSOS++) |
3530 | | delete objects[iSOS]; |
3531 | | delete [] objects; |
3532 | | } |
3533 | | } |
3534 | | OsiObject ** objects = babModel->objects(); |
3535 | | int numberObjects = babModel->numberObjects(); |
3536 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
3537 | | // skip sos |
3538 | | CbcSOS * objSOS = |
3539 | | dynamic_cast <CbcSOS *>(objects[iObj]) ; |
3540 | | if (objSOS) |
3541 | | continue; |
3542 | | int iColumn = objects[iObj]->columnNumber(); |
3543 | | assert (iColumn>=0); |
3544 | | if (originalColumns) |
3545 | | iColumn = originalColumns[iColumn]; |
3546 | | if (branchDirection) { |
3547 | | CbcSimpleInteger * obj = |
3548 | | dynamic_cast <CbcSimpleInteger *>(objects[iObj]) ; |
3549 | | if (obj) { |
3550 | | obj->setPreferredWay(branchDirection[iColumn]); |
3551 | | } else { |
3552 | | CbcObject * obj = |
3553 | | dynamic_cast <CbcObject *>(objects[iObj]) ; |
3554 | | assert (obj); |
3555 | | obj->setPreferredWay(branchDirection[iColumn]); |
3556 | | } |
3557 | | } |
3558 | | if (priorities) { |
3559 | | int iPriority = priorities[iColumn]; |
3560 | | if (iPriority>0) |
3561 | | objects[iObj]->setPriority(iPriority); |
3562 | | } |
3563 | | if (pseudoUp&&pseudoUp[iColumn]) { |
3564 | | CbcSimpleIntegerPseudoCost * obj1a = |
3565 | | dynamic_cast <CbcSimpleIntegerPseudoCost *>(objects[iObj]) ; |
3566 | | assert (obj1a); |
3567 | | if (pseudoDown[iColumn]>0.0) |
3568 | | obj1a->setDownPseudoCost(pseudoDown[iColumn]); |
3569 | | if (pseudoUp[iColumn]>0.0) |
3570 | | obj1a->setUpPseudoCost(pseudoUp[iColumn]); |
3571 | | } |
3572 | | } |
3573 | | // ************************************************************* |
3574 | | } else { |
3575 | | // ************************************************************* |
3576 | | // OsiObjects |
3577 | | // Find if none |
3578 | | int numberIntegers = testOsiSolver->getNumIntegers(); |
3579 | | /* model may not have created objects |
3580 | | If none then create |
3581 | | */ |
3582 | | if (!numberIntegers||!testOsiSolver->numberObjects()) { |
3583 | | //int type = (pseudoUp) ? 1 : 0; |
3584 | | testOsiSolver->findIntegers(false); |
3585 | | numberIntegers = testOsiSolver->getNumIntegers(); |
3586 | | } |
3587 | | if (preProcess&&process.numberSOS()) { |
3588 | | int numberSOS = process.numberSOS(); |
3589 | | OsiObject ** oldObjects = testOsiSolver->objects(); |
3590 | | // Do sets and priorities |
3591 | | OsiObject ** objects = new OsiObject * [numberSOS]; |
3592 | | // set old objects to have low priority |
3593 | | int numberOldObjects = testOsiSolver->numberObjects(); |
3594 | | int numberColumns = testOsiSolver->getNumCols(); |
3595 | | for (int iObj = 0;iObj<numberOldObjects;iObj++) { |
3596 | | oldObjects[iObj]->setPriority(numberColumns+1); |
3597 | | int iColumn = oldObjects[iObj]->columnNumber(); |
3598 | | assert (iColumn>=0); |
3599 | | if (iColumn>=numberOriginalColumns) |
3600 | | continue; |
3601 | | if (originalColumns) |
3602 | | iColumn = originalColumns[iColumn]; |
3603 | | if (branchDirection) { |
3604 | | OsiSimpleInteger * obj = |
3605 | | dynamic_cast <OsiSimpleInteger *>(oldObjects[iObj]) ; |
3606 | | if (obj) { |
3607 | | obj->setPreferredWay(branchDirection[iColumn]); |
3608 | | } else { |
3609 | | OsiObject2 * obj = |
3610 | | dynamic_cast <OsiObject2 *>(oldObjects[iObj]) ; |
3611 | | if (obj) |
3612 | | obj->setPreferredWay(branchDirection[iColumn]); |
3613 | | } |
3614 | | } |
3615 | | if (pseudoUp) { |
3616 | | abort(); |
3617 | | } |
3618 | | } |
3619 | | const int * starts = process.startSOS(); |
3620 | | const int * which = process.whichSOS(); |
3621 | | const int * type = process.typeSOS(); |
3622 | | const double * weight = process.weightSOS(); |
3623 | | int iSOS; |
3624 | | for (iSOS =0;iSOS<numberSOS;iSOS++) { |
3625 | | int iStart = starts[iSOS]; |
3626 | | int n=starts[iSOS+1]-iStart; |
3627 | | objects[iSOS] = new OsiSOS(testOsiSolver,n,which+iStart,weight+iStart, |
3628 | | type[iSOS]); |
3629 | | // branch on long sets first |
3630 | | objects[iSOS]->setPriority(numberColumns-n); |
3631 | | } |
3632 | | testOsiSolver->addObjects(numberSOS,objects); |
3633 | | for (iSOS=0;iSOS<numberSOS;iSOS++) |
3634 | | delete objects[iSOS]; |
3635 | | delete [] objects; |
3636 | | } else if (priorities||branchDirection||pseudoDown||pseudoUp||numberSOS) { |
3637 | | if (numberSOS) { |
3638 | | // Do sets and priorities |
3639 | | OsiObject ** objects = new OsiObject * [numberSOS]; |
3640 | | int iSOS; |
3641 | | if (originalColumns) { |
3642 | | // redo sequence numbers |
3643 | | int numberColumns = testOsiSolver->getNumCols(); |
3644 | | int nOld = originalColumns[numberColumns-1]+1; |
3645 | | int * back = new int[nOld]; |
3646 | | int i; |
3647 | | for (i=0;i<nOld;i++) |
3648 | | back[i]=-1; |
3649 | | for (i=0;i<numberColumns;i++) |
3650 | | back[originalColumns[i]]=i; |
3651 | | // Really need better checks |
3652 | | int nMissing=0; |
3653 | | int n=sosStart[numberSOS]; |
3654 | | for (i=0;i<n;i++) { |
3655 | | int iColumn = sosIndices[i]; |
3656 | | int jColumn = back[iColumn]; |
3657 | | if (jColumn>=0) |
3658 | | sosIndices[i] = jColumn; |
3659 | | else |
3660 | | nMissing++; |
3661 | | } |
3662 | | delete [] back; |
3663 | | if (nMissing) |
3664 | | printf("%d SOS variables vanished due to pre processing? - check validity?\n",nMissing); |
3665 | | } |
3666 | | for (iSOS =0;iSOS<numberSOS;iSOS++) { |
3667 | | int iStart = sosStart[iSOS]; |
3668 | | int n=sosStart[iSOS+1]-iStart; |
3669 | | objects[iSOS] = new OsiSOS(testOsiSolver,n,sosIndices+iStart,sosReference+iStart, |
3670 | | sosType[iSOS]); |
3671 | | if (sosPriority) |
3672 | | objects[iSOS]->setPriority(sosPriority[iSOS]); |
3673 | | else if (!prioritiesIn) |
3674 | | objects[iSOS]->setPriority(10); // rather than 1000 |
3675 | | } |
3676 | | // delete any existing SOS objects |
3677 | | int numberObjects=testOsiSolver->numberObjects(); |
3678 | | OsiObject ** oldObjects=testOsiSolver->objects(); |
3679 | | int nNew=0; |
3680 | | for (int i=0;i<numberObjects;i++) { |
3681 | | OsiObject * objThis = oldObjects[i]; |
3682 | | OsiSOS * obj1 = |
3683 | | dynamic_cast <OsiSOS *>(objThis) ; |
3684 | | OsiSOS * obj2 = |
3685 | | dynamic_cast <OsiSOS *>(objThis) ; |
3686 | | if (!obj1&&!obj2) { |
3687 | | oldObjects[nNew++]=objThis; |
3688 | | } else { |
3689 | | delete objThis; |
3690 | | } |
3691 | | } |
3692 | | testOsiSolver->setNumberObjects(nNew); |
3693 | | testOsiSolver->addObjects(numberSOS,objects); |
3694 | | for (iSOS=0;iSOS<numberSOS;iSOS++) |
3695 | | delete objects[iSOS]; |
3696 | | delete [] objects; |
3697 | | } |
3698 | | } |
3699 | | OsiObject ** objects = testOsiSolver->objects(); |
3700 | | int numberObjects = testOsiSolver->numberObjects(); |
3701 | | int logLevel = parameters[log].intValue(); |
3702 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
3703 | | // skip sos |
3704 | | OsiSOS * objSOS = |
3705 | | dynamic_cast <OsiSOS *>(objects[iObj]) ; |
3706 | | if (objSOS) { |
3707 | | if (logLevel>2) |
3708 | | printf("Set %d is SOS - priority %d\n",iObj,objSOS->priority()); |
3709 | | continue; |
3710 | | } |
3711 | | int iColumn = objects[iObj]->columnNumber(); |
3712 | | if (iColumn>=0) { |
3713 | | if (originalColumns) |
3714 | | iColumn = originalColumns[iColumn]; |
3715 | | if (branchDirection) { |
3716 | | OsiSimpleInteger * obj = |
3717 | | dynamic_cast <OsiSimpleInteger *>(objects[iObj]) ; |
3718 | | if (obj) { |
3719 | | obj->setPreferredWay(branchDirection[iColumn]); |
3720 | | } else { |
3721 | | OsiObject2 * obj = |
3722 | | dynamic_cast <OsiObject2 *>(objects[iObj]) ; |
3723 | | if (obj) |
3724 | | obj->setPreferredWay(branchDirection[iColumn]); |
3725 | | } |
3726 | | } |
3727 | | } |
3728 | | if (priorities) { |
3729 | | int iPriority = priorities[iColumn]; |
3730 | | if (iPriority>0) |
3731 | | objects[iObj]->setPriority(iPriority); |
3732 | | } |
3733 | | if (logLevel>2) |
3734 | | printf("Obj %d is int? - priority %d\n",iObj,objects[iObj]->priority()); |
3735 | | if (pseudoUp&&pseudoUp[iColumn]) { |
3736 | | abort(); |
3737 | | } |
3738 | | } |
3739 | | // ************************************************************* |
3740 | | } |
3741 | | int statistics = (printOptions>0) ? printOptions: 0; |
3742 | | #ifdef COIN_HAS_ASL |
3743 | | if (!usingAmpl) { |
3744 | | #endif |
3745 | | free(priorities); |
3746 | | priorities=NULL; |
3747 | | free(branchDirection); |
3748 | | branchDirection=NULL; |
3749 | | free(pseudoDown); |
3750 | | pseudoDown=NULL; |
3751 | | free(pseudoUp); |
3752 | | pseudoUp=NULL; |
3753 | | free(solutionIn); |
3754 | | solutionIn=NULL; |
3755 | | free(prioritiesIn); |
3756 | | prioritiesIn=NULL; |
3757 | | free(sosStart); |
3758 | | sosStart=NULL; |
3759 | | free(sosIndices); |
3760 | | sosIndices=NULL; |
3761 | | free(sosType); |
3762 | | sosType=NULL; |
3763 | | free(sosReference); |
3764 | | sosReference=NULL; |
3765 | | free(cut); |
3766 | | cut=NULL; |
3767 | | free(sosPriority); |
3768 | | sosPriority=NULL; |
3769 | | #ifdef COIN_HAS_ASL |
3770 | | } |
3771 | | #endif |
3772 | | if (nodeStrategy) { |
3773 | | // change default |
3774 | | if (nodeStrategy>1) { |
3775 | | // up or down |
3776 | | int way = ((nodeStrategy%1)==1) ? -1 : +1; |
3777 | | babModel->setPreferredWay(way); |
3778 | | #if 0 |
3779 | | OsiObject ** objects = babModel->objects(); |
3780 | | int numberObjects = babModel->numberObjects(); |
3781 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
3782 | | CbcObject * obj = |
3783 | | dynamic_cast <CbcObject *>(objects[iObj]) ; |
3784 | | assert (obj); |
3785 | | obj->setPreferredWay(way); |
3786 | | } |
3787 | | #endif |
3788 | | } |
3789 | | if (nodeStrategy==1||nodeStrategy>3) { |
3790 | | // depth |
3791 | | CbcCompareDefault compare; |
3792 | | compare.setWeight(-3.0); |
3793 | | babModel->setNodeComparison(compare); |
3794 | | } |
3795 | | } |
3796 | | if (cppValue>=0) { |
3797 | | int prepro = useStrategy ? -1 : preProcess; |
3798 | | // generate code |
3799 | | FILE * fp = fopen("user_driver.cpp","w"); |
3800 | | if (fp) { |
3801 | | // generate enough to do BAB |
3802 | | babModel->generateCpp(fp,1); |
3803 | | OsiClpSolverInterface * osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
3804 | | // Make general so do factorization |
3805 | | int factor = osiclp->getModelPtr()->factorizationFrequency(); |
3806 | | osiclp->getModelPtr()->setFactorizationFrequency(200); |
3807 | | osiclp->generateCpp(fp); |
3808 | | osiclp->getModelPtr()->setFactorizationFrequency(factor); |
3809 | | //solveOptions.generateCpp(fp); |
3810 | | fclose(fp); |
3811 | | // now call generate code |
3812 | | generateCode(babModel,"user_driver.cpp",cppValue,prepro); |
3813 | | } else { |
3814 | | std::cout<<"Unable to open file user_driver.cpp"<<std::endl; |
3815 | | } |
3816 | | } |
3817 | | if (!babModel->numberStrong()) |
3818 | | babModel->setNumberBeforeTrust(0); |
3819 | | if (useStrategy) { |
3820 | | CbcStrategyDefault strategy(true,babModel->numberStrong(),babModel->numberBeforeTrust()); |
3821 | | strategy.setupPreProcessing(1); |
3822 | | babModel->setStrategy(strategy); |
3823 | | } |
3824 | | if (testOsiOptions>=0) { |
3825 | | printf("Testing OsiObject options %d\n",testOsiOptions); |
3826 | | if (!numberSOS) { |
3827 | | babModel->solver()->findIntegersAndSOS(false); |
3828 | | #ifdef COIN_HAS_LINK |
3829 | | // If linked then pass in model |
3830 | | OsiSolverLink * solver3 = dynamic_cast<OsiSolverLink *> (babModel->solver()); |
3831 | | if (solver3) { |
3832 | | int options = parameters[whichParam(MIPOPTIONS,numberParameters,parameters)].intValue()/10000; |
3833 | | CglStored stored; |
3834 | | if (options) { |
3835 | | printf("nlp options %d\n",options); |
3836 | | /* |
3837 | | 1 - force mini branch and bound |
3838 | | 2 - set priorities high on continuous |
3839 | | 4 - try adding OA cuts |
3840 | | 8 - try doing quadratic linearization |
3841 | | 16 - try expanding knapsacks |
3842 | | 32 - OA cuts strictly concave |
3843 | | */ |
3844 | | if ((options&2)) { |
3845 | | solver3->setBiLinearPriorities(10,tightenFactor > 0.0 ? tightenFactor : 1.0); |
3846 | | } else if (tightenFactor>0.0) { |
3847 | | // set grid size for all continuous bi-linear |
3848 | | solver3->setMeshSizes(tightenFactor); |
3849 | | } |
3850 | | if ((options&4)) { |
3851 | | solver3->setSpecialOptions2(solver3->specialOptions2()|(8+4)); |
3852 | | // say convex |
3853 | | solver3->sayConvex((options&32)==0); |
3854 | | } |
3855 | | if ((options&1)!=0&&slpValue>0) |
3856 | | solver3->setFixedPriority(slpValue); |
3857 | | double cutoff=COIN_DBL_MAX; |
3858 | | if ((options&8)) |
3859 | | cutoff=solver3->linearizedBAB(&stored); |
3860 | | if (cutoff<babModel->getCutoff()) |
3861 | | babModel->setCutoff(cutoff); |
3862 | | } |
3863 | | solver3->setCbcModel(babModel); |
3864 | | babModel->addCutGenerator(&stored,1,"Stored"); |
3865 | | CglTemporary temp; |
3866 | | babModel->addCutGenerator(&temp,1,"OnceOnly"); |
3867 | | //choose.setNumberBeforeTrusted(2000); |
3868 | | //choose.setNumberStrong(20); |
3869 | | } |
3870 | | #endif |
3871 | | } else { |
3872 | | // move across |
3873 | | babModel->deleteObjects(false); |
3874 | | //babModel->addObjects(babModel->solver()->numberObjects(),babModel->solver()->objects()); |
3875 | | } |
3876 | | CbcBranchDefaultDecision decision; |
3877 | | if (babModel->numberStrong()) { |
3878 | | OsiChooseStrong choose(babModel->solver()); |
3879 | | choose.setNumberBeforeTrusted(babModel->numberBeforeTrust()); |
3880 | | choose.setNumberStrong(babModel->numberStrong()); |
3881 | | choose.setShadowPriceMode(testOsiOptions); |
3882 | | decision.setChooseMethod(choose); |
3883 | | } else { |
3884 | | OsiChooseVariable choose(babModel->solver()); |
3885 | | decision.setChooseMethod(choose); |
3886 | | } |
3887 | | babModel->setBranchingMethod(decision); |
3888 | | if (useCosts&&testOsiOptions>=0) { |
3889 | | int numberColumns = babModel->getNumCols(); |
3890 | | int * sort = new int[numberColumns]; |
3891 | | double * dsort = new double[numberColumns]; |
3892 | | int * priority = new int [numberColumns]; |
3893 | | const double * objective = babModel->getObjCoefficients(); |
3894 | | const double * lower = babModel->getColLower() ; |
3895 | | const double * upper = babModel->getColUpper() ; |
3896 | | const CoinPackedMatrix * matrix = babModel->solver()->getMatrixByCol(); |
3897 | | const int * columnLength = matrix->getVectorLengths(); |
3898 | | int iColumn; |
3899 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
3900 | | sort[iColumn]=iColumn; |
3901 | | if (useCosts==1) |
3902 | | dsort[iColumn]=-fabs(objective[iColumn]); |
3903 | | else if (useCosts==2) |
3904 | | dsort[iColumn]=iColumn; |
3905 | | else if (useCosts==3) |
3906 | | dsort[iColumn]=upper[iColumn]-lower[iColumn]; |
3907 | | else if (useCosts==4) |
3908 | | dsort[iColumn]=-(upper[iColumn]-lower[iColumn]); |
3909 | | else if (useCosts==5) |
3910 | | dsort[iColumn]=-columnLength[iColumn]; |
3911 | | } |
3912 | | CoinSort_2(dsort,dsort+numberColumns,sort); |
3913 | | int level=0; |
3914 | | double last = -1.0e100; |
3915 | | for (int i=0;i<numberColumns;i++) { |
3916 | | int iPut=sort[i]; |
3917 | | if (dsort[i]!=last) { |
3918 | | level++; |
3919 | | last=dsort[i]; |
3920 | | } |
3921 | | priority[iPut]=level; |
3922 | | } |
3923 | | OsiObject ** objects = babModel->objects(); |
3924 | | int numberObjects = babModel->numberObjects(); |
3925 | | for (int iObj = 0;iObj<numberObjects;iObj++) { |
3926 | | OsiObject * obj = objects[iObj] ; |
3927 | | int iColumn = obj->columnNumber(); |
3928 | | if (iColumn>=0) |
3929 | | obj->setPriority(priority[iColumn]); |
3930 | | } |
3931 | | delete [] priority; |
3932 | | delete [] sort; |
3933 | | delete [] dsort; |
3934 | | } |
3935 | | } |
3936 | | checkSOS(babModel, babModel->solver()); |
3937 | | if (doSprint>0) { |
3938 | | // Sprint for primal solves |
3939 | | ClpSolve::SolveType method = ClpSolve::usePrimalorSprint; |
3940 | | ClpSolve::PresolveType presolveType = ClpSolve::presolveOff; |
3941 | | int numberPasses = 5; |
3942 | | int options[] = {0,3,0,0,0,0}; |
3943 | | int extraInfo[] = {-1,20,-1,-1,-1,-1}; |
3944 | | extraInfo[1]=doSprint; |
3945 | | int independentOptions[] = {0,0,3}; |
3946 | | ClpSolve clpSolve(method,presolveType,numberPasses, |
3947 | | options,extraInfo,independentOptions); |
3948 | | // say use in OsiClp |
3949 | | clpSolve.setSpecialOption(6,1); |
3950 | | OsiClpSolverInterface * osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
3951 | | osiclp->setSolveOptions(clpSolve); |
3952 | | osiclp->setHintParam(OsiDoDualInResolve,false); |
3953 | | // switch off row copy |
3954 | | osiclp->getModelPtr()->setSpecialOptions(osiclp->getModelPtr()->specialOptions()|256); |
3955 | | osiclp->getModelPtr()->setInfeasibilityCost(1.0e11); |
3956 | | } |
3957 | | #ifdef COIN_HAS_LINK |
3958 | | if (storedAmpl.sizeRowCuts()) { |
3959 | | if (preProcess) { |
3960 | | const int * originalColumns = process.originalColumns(); |
3961 | | int numberColumns = babModel->getNumCols(); |
3962 | | int * newColumn = new int[numberOriginalColumns]; |
3963 | | int i; |
3964 | | for (i=0;i<numberOriginalColumns;i++) |
3965 | | newColumn[i]=-1; |
3966 | | for (i=0;i<numberColumns;i++) { |
3967 | | int iColumn = originalColumns[i]; |
3968 | | newColumn[iColumn]=i; |
3969 | | } |
3970 | | int * buildColumn = new int[numberColumns]; |
3971 | | // Build up valid cuts |
3972 | | int nBad=0; |
3973 | | int nCuts = storedAmpl.sizeRowCuts(); |
3974 | | CglStored newCuts; |
3975 | | for (i=0;i<nCuts;i++) { |
3976 | | const OsiRowCut * cut = storedAmpl.rowCutPointer(i); |
3977 | | double lb = cut->lb(); |
3978 | | double ub = cut->ub(); |
3979 | | int n=cut->row().getNumElements(); |
3980 | | const int * column = cut->row().getIndices(); |
3981 | | const double * element = cut->row().getElements(); |
3982 | | bool bad=false; |
3983 | | for (int i=0;i<n;i++) { |
3984 | | int iColumn = column[i]; |
3985 | | iColumn = newColumn[iColumn]; |
3986 | | if (iColumn>=0) { |
3987 | | buildColumn[i]=iColumn; |
3988 | | } else { |
3989 | | bad=true; |
3990 | | break; |
3991 | | } |
3992 | | } |
3993 | | if (!bad) { |
3994 | | newCuts.addCut(lb,ub,n,buildColumn,element); |
3995 | | } else { |
3996 | | nBad++; |
3997 | | } |
3998 | | } |
3999 | | storedAmpl=newCuts; |
4000 | | if (nBad) |
4001 | | printf("%d cuts dropped\n",nBad); |
4002 | | delete [] newColumn; |
4003 | | delete [] buildColumn; |
4004 | | } |
4005 | | if (storedAmpl.sizeRowCuts()) { |
4006 | | //babModel->addCutGenerator(&storedAmpl,1,"AmplStored"); |
4007 | | int numberRowCuts = storedAmpl.sizeRowCuts(); |
4008 | | for (int i=0;i<numberRowCuts;i++) { |
4009 | | const OsiRowCut * rowCutPointer = storedAmpl.rowCutPointer(i); |
4010 | | babModel->makeGlobalCut(rowCutPointer); |
4011 | | } |
4012 | | } |
4013 | | } |
4014 | | #endif |
4015 | | #ifdef CLP_MALLOC_STATISTICS |
4016 | | malloc_stats(); |
4017 | | malloc_stats2(); |
4018 | | #endif |
4019 | | if (outputFormat==5) { |
4020 | | osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
4021 | | lpSolver = osiclp->getModelPtr(); |
4022 | | lpSolver->setPersistenceFlag(1); |
4023 | | } |
4024 | | babModel->branchAndBound(statistics); |
4025 | | #ifdef CLP_MALLOC_STATISTICS |
4026 | | malloc_stats(); |
4027 | | malloc_stats2(); |
4028 | | #endif |
4029 | | checkSOS(babModel, babModel->solver()); |
4030 | | } else if (type==MIPLIB) { |
4031 | | CbcStrategyDefault strategy(true,babModel->numberStrong(),babModel->numberBeforeTrust()); |
4032 | | // Set up pre-processing |
4033 | | int translate2[]={9999,1,1,3,2,4,5}; |
4034 | | if (preProcess) |
4035 | | strategy.setupPreProcessing(translate2[preProcess]); |
4036 | | babModel->setStrategy(strategy); |
4037 | | if (outputFormat==5) { |
4038 | | osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
4039 | | lpSolver = osiclp->getModelPtr(); |
4040 | | lpSolver->setPersistenceFlag(1); |
4041 | | } |
4042 | | if (testOsiOptions>=0) { |
4043 | | printf("Testing OsiObject options %d\n",testOsiOptions); |
4044 | | CbcBranchDefaultDecision decision; |
4045 | | OsiChooseStrong choose(babModel->solver()); |
4046 | | choose.setNumberBeforeTrusted(babModel->numberBeforeTrust()); |
4047 | | choose.setNumberStrong(babModel->numberStrong()); |
4048 | | choose.setShadowPriceMode(testOsiOptions); |
4049 | | //babModel->deleteObjects(false); |
4050 | | decision.setChooseMethod(choose); |
4051 | | babModel->setBranchingMethod(decision); |
4052 | | } |
4053 | | CbcClpUnitTest(*babModel); |
4054 | | goodModel=false; |
4055 | | break; |
4056 | | } else { |
4057 | | strengthenedModel = babModel->strengthenedModel(); |
4058 | | } |
4059 | | currentBranchModel = NULL; |
4060 | | osiclp = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
4061 | | if (debugFile=="createAfterPre"&&babModel->bestSolution()) { |
4062 | | lpSolver = osiclp->getModelPtr(); |
4063 | | //move best solution (should be there -- but ..) |
4064 | | int n = lpSolver->getNumCols(); |
4065 | | memcpy(lpSolver->primalColumnSolution(),babModel->bestSolution(),n*sizeof(double)); |
4066 | | saveSolution(osiclp->getModelPtr(),"debug.file"); |
4067 | | } |
4068 | | if (!noPrinting) { |
4069 | | // Print more statistics |
4070 | | std::cout<<"Cuts at root node changed objective from "<<babModel->getContinuousObjective() |
4071 | | <<" to "<<babModel->rootObjectiveAfterCuts()<<std::endl; |
4072 | | |
4073 | | numberGenerators = babModel->numberCutGenerators(); |
4074 | | for (iGenerator=0;iGenerator<numberGenerators;iGenerator++) { |
4075 | | CbcCutGenerator * generator = babModel->cutGenerator(iGenerator); |
4076 | | std::cout<<generator->cutGeneratorName()<<" was tried " |
4077 | | <<generator->numberTimesEntered()<<" times and created " |
4078 | | <<generator->numberCutsInTotal()<<" cuts of which " |
4079 | | <<generator->numberCutsActive()<<" were active after adding rounds of cuts"; |
4080 | | if (generator->timing()) |
4081 | | std::cout<<" ( "<<generator->timeInCutGenerator()<<" seconds)"<<std::endl; |
4082 | | else |
4083 | | std::cout<<std::endl; |
4084 | | } |
4085 | | } |
4086 | | time2 = CoinCpuTime(); |
4087 | | totalTime += time2-time1; |
4088 | | // For best solution |
4089 | | double * bestSolution = NULL; |
4090 | | if (babModel->getMinimizationObjValue()<1.0e50&&type==BAB) { |
4091 | | // post process |
4092 | | if (preProcess) { |
4093 | | int n = saveSolver->getNumCols(); |
4094 | | bestSolution = new double [n]; |
4095 | | process.postProcess(*babModel->solver()); |
4096 | | // Solution now back in saveSolver |
4097 | | babModel->assignSolver(saveSolver); |
4098 | | memcpy(bestSolution,babModel->solver()->getColSolution(),n*sizeof(double)); |
4099 | | } else { |
4100 | | int n = babModel->solver()->getNumCols(); |
4101 | | bestSolution = new double [n]; |
4102 | | memcpy(bestSolution,babModel->solver()->getColSolution(),n*sizeof(double)); |
4103 | | } |
4104 | | checkSOS(babModel, babModel->solver()); |
4105 | | } |
4106 | | if (type==STRENGTHEN&&strengthenedModel) |
4107 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (strengthenedModel); |
4108 | | #ifdef COIN_HAS_ASL |
4109 | | else if (usingAmpl) |
4110 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
4111 | | #endif |
4112 | | lpSolver = clpSolver->getModelPtr(); |
4113 | | if (numberChanged) { |
4114 | | for (int i=0;i<numberChanged;i++) { |
4115 | | int iColumn=changed[i]; |
4116 | | clpSolver->setContinuous(iColumn); |
4117 | | } |
4118 | | delete [] changed; |
4119 | | } |
4120 | | if (type==BAB) { |
4121 | | //move best solution (should be there -- but ..) |
4122 | | int n = lpSolver->getNumCols(); |
4123 | | if (bestSolution) { |
4124 | | memcpy(lpSolver->primalColumnSolution(),bestSolution,n*sizeof(double)); |
4125 | | // now see what that does to row solution |
4126 | | int numberRows=lpSolver->numberRows(); |
4127 | | double * rowSolution = lpSolver->primalRowSolution(); |
4128 | | memset (rowSolution,0,numberRows*sizeof(double)); |
4129 | | lpSolver->clpMatrix()->times(1.0,bestSolution,rowSolution); |
4130 | | } |
4131 | | if (debugFile=="create"&&bestSolution) { |
4132 | | saveSolution(lpSolver,"debug.file"); |
4133 | | } |
4134 | | delete [] bestSolution; |
4135 | | std::string statusName[]={"Finished","Stopped on ","Difficulties", |
4136 | | "","","User ctrl-c"}; |
4137 | | std::string minor[]={"","","gap","nodes","time","","solutions","user ctrl-c"}; |
4138 | | int iStat = babModel->status(); |
4139 | | int iStat2 = babModel->secondaryStatus(); |
4140 | | if (!noPrinting) |
4141 | | std::cout<<"Result - "<<statusName[iStat]<<minor[iStat2] |
4142 | | <<" objective "<<babModel->getObjValue()<< |
4143 | | " after "<<babModel->getNodeCount()<<" nodes and " |
4144 | | <<babModel->getIterationCount()<< |
4145 | | " iterations - took "<<time2-time1<<" seconds"<<std::endl; |
4146 | | #ifdef COIN_HAS_ASL |
4147 | | if (usingAmpl) { |
4148 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (babModel->solver()); |
4149 | | lpSolver = clpSolver->getModelPtr(); |
4150 | | double value = babModel->getObjValue()*lpSolver->getObjSense(); |
4151 | | char buf[300]; |
4152 | | int pos=0; |
4153 | | if (iStat==0) { |
4154 | | if (babModel->getObjValue()<1.0e40) { |
4155 | | pos += sprintf(buf+pos,"optimal," ); |
4156 | | } else { |
4157 | | // infeasible |
4158 | | iStat=1; |
4159 | | pos += sprintf(buf+pos,"infeasible,"); |
4160 | | } |
4161 | | } else if (iStat==1) { |
4162 | | if (iStat2!=6) |
4163 | | iStat=3; |
4164 | | else |
4165 | | iStat=4; |
4166 | | pos += sprintf(buf+pos,"stopped on %s,",minor[iStat2].c_str()); |
4167 | | } else if (iStat==2) { |
4168 | | iStat = 7; |
4169 | | pos += sprintf(buf+pos,"stopped on difficulties,"); |
4170 | | } else if (iStat==5) { |
4171 | | iStat = 3; |
4172 | | pos += sprintf(buf+pos,"stopped on ctrl-c,"); |
4173 | | } else { |
4174 | | pos += sprintf(buf+pos,"status unknown,"); |
4175 | | iStat=6; |
4176 | | } |
4177 | | info.problemStatus=iStat; |
4178 | | info.objValue = value; |
4179 | | if (babModel->getObjValue()<1.0e40) { |
4180 | | int precision = ampl_obj_prec(); |
4181 | | if (precision>0) |
4182 | | pos += sprintf(buf+pos," objective %.*g",precision, |
4183 | | value); |
4184 | | else |
4185 | | pos += sprintf(buf+pos," objective %g",value); |
4186 | | } |
4187 | | sprintf(buf+pos,"\n%d nodes, %d iterations, %g seconds", |
4188 | | babModel->getNodeCount(), |
4189 | | babModel->getIterationCount(), |
4190 | | totalTime); |
4191 | | if (bestSolution) { |
4192 | | free(info.primalSolution); |
4193 | | if (!numberKnapsack) { |
4194 | | info.primalSolution = (double *) malloc(n*sizeof(double)); |
4195 | | CoinCopyN(lpSolver->primalColumnSolution(),n,info.primalSolution); |
4196 | | int numberRows = lpSolver->numberRows(); |
4197 | | free(info.dualSolution); |
4198 | | info.dualSolution = (double *) malloc(numberRows*sizeof(double)); |
4199 | | CoinCopyN(lpSolver->dualRowSolution(),numberRows,info.dualSolution); |
4200 | | } else { |
4201 | | // expanded knapsack |
4202 | | info.dualSolution=NULL; |
4203 | | int numberColumns = saveCoinModel.numberColumns(); |
4204 | | info.primalSolution = (double *) malloc(numberColumns*sizeof(double)); |
4205 | | // Fills in original solution (coinModel length) |
4206 | | afterKnapsack(saveCoinModel, whichColumn, knapsackStart, |
4207 | | knapsackRow, numberKnapsack, |
4208 | | lpSolver->primalColumnSolution(), info.primalSolution,1); |
4209 | | } |
4210 | | } else { |
4211 | | info.primalSolution=NULL; |
4212 | | info.dualSolution=NULL; |
4213 | | } |
4214 | | // put buffer into info |
4215 | | strcpy(info.buffer,buf); |
4216 | | } |
4217 | | #endif |
4218 | | } else { |
4219 | | std::cout<<"Model strengthened - now has "<<clpSolver->getNumRows() |
4220 | | <<" rows"<<std::endl; |
4221 | | } |
4222 | | time1 = time2; |
4223 | | delete babModel; |
4224 | | babModel=NULL; |
4225 | | } else { |
4226 | | std::cout << "** Current model not valid" << std::endl ; |
4227 | | } |
4228 | | break ; |
4229 | | case IMPORT: |
4230 | | { |
4231 | | #ifdef COIN_HAS_ASL |
4232 | | if (!usingAmpl) { |
4233 | | #endif |
4234 | | free(priorities); |
4235 | | priorities=NULL; |
4236 | | free(branchDirection); |
4237 | | branchDirection=NULL; |
4238 | | free(pseudoDown); |
4239 | | pseudoDown=NULL; |
4240 | | free(pseudoUp); |
4241 | | pseudoUp=NULL; |
4242 | | free(solutionIn); |
4243 | | solutionIn=NULL; |
4244 | | free(prioritiesIn); |
4245 | | prioritiesIn=NULL; |
4246 | | free(sosStart); |
4247 | | sosStart=NULL; |
4248 | | free(sosIndices); |
4249 | | sosIndices=NULL; |
4250 | | free(sosType); |
4251 | | sosType=NULL; |
4252 | | free(sosReference); |
4253 | | sosReference=NULL; |
4254 | | free(cut); |
4255 | | cut=NULL; |
4256 | | free(sosPriority); |
4257 | | sosPriority=NULL; |
4258 | | #ifdef COIN_HAS_ASL |
4259 | | } |
4260 | | #endif |
4261 | | delete babModel; |
4262 | | babModel=NULL; |
4263 | | // get next field |
4264 | | field = CoinReadGetString(argc,argv); |
4265 | | if (field=="$") { |
4266 | | field = parameters[iParam].stringValue(); |
4267 | | } else if (field=="EOL") { |
4268 | | parameters[iParam].printString(); |
4269 | | break; |
4270 | | } else { |
4271 | | parameters[iParam].setStringValue(field); |
4272 | | } |
4273 | | std::string fileName; |
4274 | | bool canOpen=false; |
4275 | | if (field=="-") { |
4276 | | // stdin |
4277 | | canOpen=true; |
4278 | | fileName = "-"; |
4279 | | } else { |
4280 | | bool absolutePath; |
4281 | | if (dirsep=='/') { |
4282 | | // non Windows (or cygwin) |
4283 | | absolutePath=(field[0]=='/'); |
4284 | | } else { |
4285 | | //Windows (non cycgwin) |
4286 | | absolutePath=(field[0]=='\\'); |
4287 | | // but allow for : |
4288 | | if (strchr(field.c_str(),':')) |
4289 | | absolutePath=true; |
4290 | | } |
4291 | | if (absolutePath) { |
4292 | | fileName = field; |
4293 | | } else if (field[0]=='~') { |
4294 | | char * environVar = getenv("HOME"); |
4295 | | if (environVar) { |
4296 | | std::string home(environVar); |
4297 | | field=field.erase(0,1); |
4298 | | fileName = home+field; |
4299 | | } else { |
4300 | | fileName=field; |
4301 | | } |
4302 | | } else { |
4303 | | fileName = directory+field; |
4304 | | } |
4305 | | FILE *fp=fopen(fileName.c_str(),"r"); |
4306 | | if (fp) { |
4307 | | // can open - lets go for it |
4308 | | fclose(fp); |
4309 | | canOpen=true; |
4310 | | } else { |
4311 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4312 | | } |
4313 | | } |
4314 | | if (canOpen) { |
4315 | | int status =clpSolver->readMps(fileName.c_str(), |
4316 | | keepImportNames!=0, |
4317 | | allowImportErrors!=0); |
4318 | | if (!status||(status>0&&allowImportErrors)) { |
4319 | | if (keepImportNames) { |
4320 | | lengthName = lpSolver->lengthNames(); |
4321 | | rowNames = *(lpSolver->rowNames()); |
4322 | | columnNames = *(lpSolver->columnNames()); |
4323 | | } else { |
4324 | | lengthName=0; |
4325 | | } |
4326 | | goodModel=true; |
4327 | | //Set integers in clpsolver |
4328 | | const char * info = lpSolver->integerInformation(); |
4329 | | if (info) { |
4330 | | int numberColumns = lpSolver->numberColumns(); |
4331 | | int i; |
4332 | | for (i=0;i<numberColumns;i++) { |
4333 | | if (info[i]) |
4334 | | clpSolver->setInteger(i); |
4335 | | } |
4336 | | } |
4337 | | // sets to all slack (not necessary?) |
4338 | | lpSolver->createStatus(); |
4339 | | time2 = CoinCpuTime(); |
4340 | | totalTime += time2-time1; |
4341 | | time1=time2; |
4342 | | // Go to canned file if just input file |
4343 | | if (CbcOrClpRead_mode==2&&argc==2) { |
4344 | | // only if ends .mps |
4345 | | std::string::size_type loc = fileName.find(".mps") ; |
4346 | | if (loc != std::string::npos && |
4347 | | fileName.length() == loc+3) |
4348 | | { fileName.replace(loc+1,3,"par") ; |
4349 | | FILE *fp=fopen(fileName.c_str(),"r"); |
4350 | | if (fp) { |
4351 | | CbcOrClpReadCommand=fp; // Read from that file |
4352 | | CbcOrClpRead_mode=-1; |
4353 | | } |
4354 | | } |
4355 | | } |
4356 | | } else { |
4357 | | // errors |
4358 | | std::cout<<"There were "<<status<< |
4359 | | " errors on input"<<std::endl; |
4360 | | } |
4361 | | } |
4362 | | } |
4363 | | break; |
4364 | | case MODELIN: |
4365 | | #ifdef COIN_HAS_LINK |
4366 | | { |
4367 | | // get next field |
4368 | | field = CoinReadGetString(argc,argv); |
4369 | | if (field=="$") { |
4370 | | field = parameters[iParam].stringValue(); |
4371 | | } else if (field=="EOL") { |
4372 | | parameters[iParam].printString(); |
4373 | | break; |
4374 | | } else { |
4375 | | parameters[iParam].setStringValue(field); |
4376 | | } |
4377 | | std::string fileName; |
4378 | | bool canOpen=false; |
4379 | | if (field=="-") { |
4380 | | // stdin |
4381 | | canOpen=true; |
4382 | | fileName = "-"; |
4383 | | } else { |
4384 | | bool absolutePath; |
4385 | | if (dirsep=='/') { |
4386 | | // non Windows (or cygwin) |
4387 | | absolutePath=(field[0]=='/'); |
4388 | | } else { |
4389 | | //Windows (non cycgwin) |
4390 | | absolutePath=(field[0]=='\\'); |
4391 | | // but allow for : |
4392 | | if (strchr(field.c_str(),':')) |
4393 | | absolutePath=true; |
4394 | | } |
4395 | | if (absolutePath) { |
4396 | | fileName = field; |
4397 | | } else if (field[0]=='~') { |
4398 | | char * environVar = getenv("HOME"); |
4399 | | if (environVar) { |
4400 | | std::string home(environVar); |
4401 | | field=field.erase(0,1); |
4402 | | fileName = home+field; |
4403 | | } else { |
4404 | | fileName=field; |
4405 | | } |
4406 | | } else { |
4407 | | fileName = directory+field; |
4408 | | } |
4409 | | FILE *fp=fopen(fileName.c_str(),"r"); |
4410 | | if (fp) { |
4411 | | // can open - lets go for it |
4412 | | fclose(fp); |
4413 | | canOpen=true; |
4414 | | } else { |
4415 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4416 | | } |
4417 | | } |
4418 | | if (canOpen) { |
4419 | | CoinModel coinModel(fileName.c_str(),2); |
4420 | | // load from coin model |
4421 | | OsiSolverLink solver1; |
4422 | | OsiSolverInterface * solver2 = solver1.clone(); |
4423 | | model.assignSolver(solver2,true); |
4424 | | OsiSolverLink * si = |
4425 | | dynamic_cast<OsiSolverLink *>(model.solver()) ; |
4426 | | assert (si != NULL); |
4427 | | si->setDefaultMeshSize(0.001); |
4428 | | // need some relative granularity |
4429 | | si->setDefaultBound(100.0); |
4430 | | si->setDefaultMeshSize(0.01); |
4431 | | si->setDefaultBound(100.0); |
4432 | | si->setIntegerPriority(1000); |
4433 | | si->setBiLinearPriority(10000); |
4434 | | CoinModel * model2 = (CoinModel *) &coinModel; |
4435 | | si->load(*model2); |
4436 | | // redo |
4437 | | solver = model.solver(); |
4438 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (solver); |
4439 | | lpSolver = clpSolver->getModelPtr(); |
4440 | | clpSolver->messageHandler()->setLogLevel(0) ; |
4441 | | testOsiParameters=0; |
4442 | | complicatedInteger=2; |
4443 | | } |
4444 | | } |
4445 | | #endif |
4446 | | break; |
4447 | | case EXPORT: |
4448 | | if (goodModel) { |
4449 | | // get next field |
4450 | | field = CoinReadGetString(argc,argv); |
4451 | | if (field=="$") { |
4452 | | field = parameters[iParam].stringValue(); |
4453 | | } else if (field=="EOL") { |
4454 | | parameters[iParam].printString(); |
4455 | | break; |
4456 | | } else { |
4457 | | parameters[iParam].setStringValue(field); |
4458 | | } |
4459 | | std::string fileName; |
4460 | | bool canOpen=false; |
4461 | | if (field[0]=='/'||field[0]=='\\') { |
4462 | | fileName = field; |
4463 | | } else if (field[0]=='~') { |
4464 | | char * environVar = getenv("HOME"); |
4465 | | if (environVar) { |
4466 | | std::string home(environVar); |
4467 | | field=field.erase(0,1); |
4468 | | fileName = home+field; |
4469 | | } else { |
4470 | | fileName=field; |
4471 | | } |
4472 | | } else { |
4473 | | fileName = directory+field; |
4474 | | } |
4475 | | FILE *fp=fopen(fileName.c_str(),"w"); |
4476 | | if (fp) { |
4477 | | // can open - lets go for it |
4478 | | fclose(fp); |
4479 | | canOpen=true; |
4480 | | } else { |
4481 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4482 | | } |
4483 | | if (canOpen) { |
4484 | | // If presolve on then save presolved |
4485 | | bool deleteModel2=false; |
4486 | | ClpSimplex * model2 = lpSolver; |
4487 | | if (dualize) { |
4488 | | model2 = ((ClpSimplexOther *) model2)->dualOfModel(); |
4489 | | printf("Dual of model has %d rows and %d columns\n", |
4490 | | model2->numberRows(),model2->numberColumns()); |
4491 | | model2->setOptimizationDirection(1.0); |
4492 | | } |
4493 | | #ifdef COIN_HAS_ASL |
4494 | | if (info.numberSos&&doSOS&&usingAmpl) { |
4495 | | // SOS |
4496 | | numberSOS = info.numberSos; |
4497 | | sosStart = info.sosStart; |
4498 | | sosIndices = info.sosIndices; |
4499 | | sosReference = info.sosReference; |
4500 | | preSolve=false; |
4501 | | clpSolver->setSOSData(numberSOS,info.sosType,sosStart,sosIndices,sosReference); |
4502 | | } |
4503 | | #endif |
4504 | | if (preSolve) { |
4505 | | ClpPresolve pinfo; |
4506 | | int presolveOptions2 = presolveOptions&~0x40000000; |
4507 | | if ((presolveOptions2&0xffff)!=0) |
4508 | | pinfo.setPresolveActions(presolveOptions2); |
4509 | | if ((printOptions&1)!=0) |
4510 | | pinfo.statistics(); |
4511 | | double presolveTolerance = |
4512 | | parameters[whichParam(PRESOLVETOLERANCE,numberParameters,parameters)].doubleValue(); |
4513 | | model2 = |
4514 | | pinfo.presolvedModel(*lpSolver,presolveTolerance, |
4515 | | true,preSolve); |
4516 | | if (model2) { |
4517 | | printf("Saving presolved model on %s\n", |
4518 | | fileName.c_str()); |
4519 | | deleteModel2=true; |
4520 | | } else { |
4521 | | printf("Presolved model looks infeasible - saving original on %s\n", |
4522 | | fileName.c_str()); |
4523 | | deleteModel2=false; |
4524 | | model2 = lpSolver; |
4525 | | |
4526 | | } |
4527 | | model2->writeMps(fileName.c_str(),(outputFormat-1)/2,1+((outputFormat-1)&1)); |
4528 | | if (deleteModel2) |
4529 | | delete model2; |
4530 | | } else { |
4531 | | printf("Saving model on %s\n", |
4532 | | fileName.c_str()); |
4533 | | if (numberSOS) { |
4534 | | // Convert names |
4535 | | int iRow; |
4536 | | int numberRows=model2->numberRows(); |
4537 | | int iColumn; |
4538 | | int numberColumns=model2->numberColumns(); |
4539 | | |
4540 | | char ** rowNames = NULL; |
4541 | | char ** columnNames = NULL; |
4542 | | if (model2->lengthNames()) { |
4543 | | rowNames = new char * [numberRows]; |
4544 | | for (iRow=0;iRow<numberRows;iRow++) { |
4545 | | rowNames[iRow] = |
4546 | | strdup(model2->rowName(iRow).c_str()); |
4547 | | } |
4548 | | |
4549 | | columnNames = new char * [numberColumns]; |
4550 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
4551 | | columnNames[iColumn] = |
4552 | | strdup(model2->columnName(iColumn).c_str()); |
4553 | | } |
4554 | | } |
4555 | | clpSolver->writeMpsNative(fileName.c_str(),(const char **) rowNames,(const char **) columnNames, |
4556 | | (outputFormat-1)/2,1+((outputFormat-1)&1)); |
4557 | | if (rowNames) { |
4558 | | for (iRow=0;iRow<numberRows;iRow++) { |
4559 | | free(rowNames[iRow]); |
4560 | | } |
4561 | | delete [] rowNames; |
4562 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
4563 | | free(columnNames[iColumn]); |
4564 | | } |
4565 | | delete [] columnNames; |
4566 | | } |
4567 | | } else { |
4568 | | model2->writeMps(fileName.c_str(),(outputFormat-1)/2,1+((outputFormat-1)&1)); |
4569 | | } |
4570 | | } |
4571 | | time2 = CoinCpuTime(); |
4572 | | totalTime += time2-time1; |
4573 | | time1=time2; |
4574 | | } |
4575 | | } else { |
4576 | | std::cout<<"** Current model not valid"<<std::endl; |
4577 | | } |
4578 | | break; |
4579 | | case BASISIN: |
4580 | | if (goodModel) { |
4581 | | // get next field |
4582 | | field = CoinReadGetString(argc,argv); |
4583 | | if (field=="$") { |
4584 | | field = parameters[iParam].stringValue(); |
4585 | | } else if (field=="EOL") { |
4586 | | parameters[iParam].printString(); |
4587 | | break; |
4588 | | } else { |
4589 | | parameters[iParam].setStringValue(field); |
4590 | | } |
4591 | | std::string fileName; |
4592 | | bool canOpen=false; |
4593 | | if (field=="-") { |
4594 | | // stdin |
4595 | | canOpen=true; |
4596 | | fileName = "-"; |
4597 | | } else { |
4598 | | if (field[0]=='/'||field[0]=='\\') { |
4599 | | fileName = field; |
4600 | | } else if (field[0]=='~') { |
4601 | | char * environVar = getenv("HOME"); |
4602 | | if (environVar) { |
4603 | | std::string home(environVar); |
4604 | | field=field.erase(0,1); |
4605 | | fileName = home+field; |
4606 | | } else { |
4607 | | fileName=field; |
4608 | | } |
4609 | | } else { |
4610 | | fileName = directory+field; |
4611 | | } |
4612 | | FILE *fp=fopen(fileName.c_str(),"r"); |
4613 | | if (fp) { |
4614 | | // can open - lets go for it |
4615 | | fclose(fp); |
4616 | | canOpen=true; |
4617 | | } else { |
4618 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4619 | | } |
4620 | | } |
4621 | | if (canOpen) { |
4622 | | int values = lpSolver->readBasis(fileName.c_str()); |
4623 | | if (values==0) |
4624 | | basisHasValues=-1; |
4625 | | else |
4626 | | basisHasValues=1; |
4627 | | } |
4628 | | } else { |
4629 | | std::cout<<"** Current model not valid"<<std::endl; |
4630 | | } |
4631 | | break; |
4632 | | case PRIORITYIN: |
4633 | | if (goodModel) { |
4634 | | // get next field |
4635 | | field = CoinReadGetString(argc,argv); |
4636 | | if (field=="$") { |
4637 | | field = parameters[iParam].stringValue(); |
4638 | | } else if (field=="EOL") { |
4639 | | parameters[iParam].printString(); |
4640 | | break; |
4641 | | } else { |
4642 | | parameters[iParam].setStringValue(field); |
4643 | | } |
4644 | | std::string fileName; |
4645 | | if (field[0]=='/'||field[0]=='\\') { |
4646 | | fileName = field; |
4647 | | } else if (field[0]=='~') { |
4648 | | char * environVar = getenv("HOME"); |
4649 | | if (environVar) { |
4650 | | std::string home(environVar); |
4651 | | field=field.erase(0,1); |
4652 | | fileName = home+field; |
4653 | | } else { |
4654 | | fileName=field; |
4655 | | } |
4656 | | } else { |
4657 | | fileName = directory+field; |
4658 | | } |
4659 | | FILE *fp=fopen(fileName.c_str(),"r"); |
4660 | | if (fp) { |
4661 | | // can open - lets go for it |
4662 | | std::string headings[]={"name","number","direction","priority","up","down", |
4663 | | "solution","priin"}; |
4664 | | int got[]={-1,-1,-1,-1,-1,-1,-1,-1}; |
4665 | | int order[8]; |
4666 | | assert(sizeof(got)==sizeof(order)); |
4667 | | int nAcross=0; |
4668 | | char line[1000]; |
4669 | | int numberColumns = lpSolver->numberColumns(); |
4670 | | if (!fgets(line,1000,fp)) { |
4671 | | std::cout<<"Odd file "<<fileName<<std::endl; |
4672 | | } else { |
4673 | | char * pos = line; |
4674 | | char * put = line; |
4675 | | while (*pos>=' '&&*pos!='\n') { |
4676 | | if (*pos!=' '&&*pos!='\t') { |
4677 | | *put=tolower(*pos); |
4678 | | put++; |
4679 | | } |
4680 | | pos++; |
4681 | | } |
4682 | | *put='\0'; |
4683 | | pos=line; |
4684 | | int i; |
4685 | | bool good=true; |
4686 | | while (pos) { |
4687 | | char * comma = strchr(pos,','); |
4688 | | if (comma) |
4689 | | *comma='\0'; |
4690 | | for (i=0;i<(int) (sizeof(got)/sizeof(int));i++) { |
4691 | | if (headings[i]==pos) { |
4692 | | if (got[i]<0) { |
4693 | | order[nAcross]=i; |
4694 | | got[i]=nAcross++; |
4695 | | } else { |
4696 | | // duplicate |
4697 | | good=false; |
4698 | | } |
4699 | | break; |
4700 | | } |
4701 | | } |
4702 | | if (i==(int) (sizeof(got)/sizeof(int))) |
4703 | | good=false; |
4704 | | if (comma) { |
4705 | | *comma=','; |
4706 | | pos=comma+1; |
4707 | | } else { |
4708 | | break; |
4709 | | } |
4710 | | } |
4711 | | if (got[0]<0&&got[1]<0) |
4712 | | good=false; |
4713 | | if (got[0]>=0&&got[1]>=0) |
4714 | | good=false; |
4715 | | if (got[0]>=0&&!lpSolver->lengthNames()) |
4716 | | good=false; |
4717 | | if (good) { |
4718 | | char ** columnNames = new char * [numberColumns]; |
4719 | | pseudoDown= (double *) malloc(numberColumns*sizeof(double)); |
4720 | | pseudoUp = (double *) malloc(numberColumns*sizeof(double)); |
4721 | | branchDirection = (int *) malloc(numberColumns*sizeof(int)); |
4722 | | priorities= (int *) malloc(numberColumns*sizeof(int)); |
4723 | | free(solutionIn); |
4724 | | solutionIn=NULL; |
4725 | | free(prioritiesIn); |
4726 | | prioritiesIn=NULL; |
4727 | | int iColumn; |
4728 | | if (got[6]>=0) { |
4729 | | solutionIn = (double *) malloc(numberColumns*sizeof(double)); |
4730 | | CoinZeroN(solutionIn,numberColumns); |
4731 | | } |
4732 | | if (got[7]>=0) { |
4733 | | prioritiesIn = (int *) malloc(numberColumns*sizeof(int)); |
4734 | | for (iColumn=0;iColumn<numberColumns;iColumn++) |
4735 | | prioritiesIn[iColumn]=10000; |
4736 | | } |
4737 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
4738 | | columnNames[iColumn] = |
4739 | | strdup(lpSolver->columnName(iColumn).c_str()); |
4740 | | pseudoDown[iColumn]=0.0; |
4741 | | pseudoUp[iColumn]=0.0; |
4742 | | branchDirection[iColumn]=0; |
4743 | | priorities[iColumn]=0; |
4744 | | } |
4745 | | int nBadPseudo=0; |
4746 | | int nBadDir=0; |
4747 | | int nBadPri=0; |
4748 | | int nBadName=0; |
4749 | | int nBadLine=0; |
4750 | | int nLine=0; |
4751 | | while (fgets(line,1000,fp)) { |
4752 | | nLine++; |
4753 | | iColumn = -1; |
4754 | | double up =0.0; |
4755 | | double down=0.0; |
4756 | | int pri=0; |
4757 | | int dir=0; |
4758 | | double solValue=COIN_DBL_MAX; |
4759 | | int priValue=1000000; |
4760 | | char * pos = line; |
4761 | | char * put = line; |
4762 | | while (*pos>=' '&&*pos!='\n') { |
4763 | | if (*pos!=' '&&*pos!='\t') { |
4764 | | *put=tolower(*pos); |
4765 | | put++; |
4766 | | } |
4767 | | pos++; |
4768 | | } |
4769 | | *put='\0'; |
4770 | | pos=line; |
4771 | | for (int i=0;i<nAcross;i++) { |
4772 | | char * comma = strchr(pos,','); |
4773 | | if (comma) { |
4774 | | *comma='\0'; |
4775 | | } else if (i<nAcross-1) { |
4776 | | nBadLine++; |
4777 | | break; |
4778 | | } |
4779 | | switch (order[i]) { |
4780 | | // name |
4781 | | case 0: |
4782 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
4783 | | if (!strcmp(columnNames[iColumn],pos)) |
4784 | | break; |
4785 | | } |
4786 | | if (iColumn==numberColumns) |
4787 | | iColumn=-1; |
4788 | | break; |
4789 | | // number |
4790 | | case 1: |
4791 | | iColumn = atoi(pos); |
4792 | | if (iColumn<0||iColumn>=numberColumns) |
4793 | | iColumn=-1; |
4794 | | break; |
4795 | | // direction |
4796 | | case 2: |
4797 | | if (*pos=='D') |
4798 | | dir=-1; |
4799 | | else if (*pos=='U') |
4800 | | dir=1; |
4801 | | else if (*pos=='N') |
4802 | | dir=0; |
4803 | | else if (*pos=='1'&&*(pos+1)=='\0') |
4804 | | dir=1; |
4805 | | else if (*pos=='0'&&*(pos+1)=='\0') |
4806 | | dir=0; |
4807 | | else if (*pos=='1'&&*(pos+1)=='1'&&*(pos+2)=='\0') |
4808 | | dir=-1; |
4809 | | else |
4810 | | dir=-2; // bad |
4811 | | break; |
4812 | | // priority |
4813 | | case 3: |
4814 | | pri=atoi(pos); |
4815 | | break; |
4816 | | // up |
4817 | | case 4: |
4818 | | up = atof(pos); |
4819 | | break; |
4820 | | // down |
4821 | | case 5: |
4822 | | down = atof(pos); |
4823 | | break; |
4824 | | // sol value |
4825 | | case 6: |
4826 | | solValue = atof(pos); |
4827 | | break; |
4828 | | // priority in value |
4829 | | case 7: |
4830 | | priValue = atoi(pos); |
4831 | | break; |
4832 | | } |
4833 | | if (comma) { |
4834 | | *comma=','; |
4835 | | pos=comma+1; |
4836 | | } |
4837 | | } |
4838 | | if (iColumn>=0) { |
4839 | | if (down<0.0) { |
4840 | | nBadPseudo++; |
4841 | | down=0.0; |
4842 | | } |
4843 | | if (up<0.0) { |
4844 | | nBadPseudo++; |
4845 | | up=0.0; |
4846 | | } |
4847 | | if (!up) |
4848 | | up=down; |
4849 | | if (!down) |
4850 | | down=up; |
4851 | | if (dir<-1||dir>1) { |
4852 | | nBadDir++; |
4853 | | dir=0; |
4854 | | } |
4855 | | if (pri<0) { |
4856 | | nBadPri++; |
4857 | | pri=0; |
4858 | | } |
4859 | | pseudoDown[iColumn]=down; |
4860 | | pseudoUp[iColumn]=up; |
4861 | | branchDirection[iColumn]=dir; |
4862 | | priorities[iColumn]=pri; |
4863 | | if (solValue!=COIN_DBL_MAX) { |
4864 | | assert (solutionIn); |
4865 | | solutionIn[iColumn]=solValue; |
4866 | | } |
4867 | | if (priValue!=1000000) { |
4868 | | assert (prioritiesIn); |
4869 | | prioritiesIn[iColumn]=priValue; |
4870 | | } |
4871 | | } else { |
4872 | | nBadName++; |
4873 | | } |
4874 | | } |
4875 | | if (!noPrinting) { |
4876 | | printf("%d fields and %d records",nAcross,nLine); |
4877 | | if (nBadPseudo) |
4878 | | printf(" %d bad pseudo costs",nBadPseudo); |
4879 | | if (nBadDir) |
4880 | | printf(" %d bad directions",nBadDir); |
4881 | | if (nBadPri) |
4882 | | printf(" %d bad priorities",nBadPri); |
4883 | | if (nBadName) |
4884 | | printf(" ** %d records did not match on name/sequence",nBadName); |
4885 | | printf("\n"); |
4886 | | } |
4887 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
4888 | | free(columnNames[iColumn]); |
4889 | | } |
4890 | | delete [] columnNames; |
4891 | | } else { |
4892 | | std::cout<<"Duplicate or unknown keyword - or name/number fields wrong"<<line<<std::endl; |
4893 | | } |
4894 | | } |
4895 | | fclose(fp); |
4896 | | } else { |
4897 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4898 | | } |
4899 | | } else { |
4900 | | std::cout<<"** Current model not valid"<<std::endl; |
4901 | | } |
4902 | | break; |
4903 | | case DEBUG: |
4904 | | if (goodModel) { |
4905 | | delete [] debugValues; |
4906 | | debugValues=NULL; |
4907 | | // get next field |
4908 | | field = CoinReadGetString(argc,argv); |
4909 | | if (field=="$") { |
4910 | | field = parameters[iParam].stringValue(); |
4911 | | } else if (field=="EOL") { |
4912 | | parameters[iParam].printString(); |
4913 | | break; |
4914 | | } else { |
4915 | | parameters[iParam].setStringValue(field); |
4916 | | debugFile=field; |
4917 | | if (debugFile=="create"|| |
4918 | | debugFile=="createAfterPre") { |
4919 | | printf("Will create a debug file so this run should be a good one\n"); |
4920 | | break; |
4921 | | } |
4922 | | } |
4923 | | std::string fileName; |
4924 | | if (field[0]=='/'||field[0]=='\\') { |
4925 | | fileName = field; |
4926 | | } else if (field[0]=='~') { |
4927 | | char * environVar = getenv("HOME"); |
4928 | | if (environVar) { |
4929 | | std::string home(environVar); |
4930 | | field=field.erase(0,1); |
4931 | | fileName = home+field; |
4932 | | } else { |
4933 | | fileName=field; |
4934 | | } |
4935 | | } else { |
4936 | | fileName = directory+field; |
4937 | | } |
4938 | | FILE *fp=fopen(fileName.c_str(),"rb"); |
4939 | | if (fp) { |
4940 | | // can open - lets go for it |
4941 | | int numRows; |
4942 | | double obj; |
4943 | | fread(&numRows,sizeof(int),1,fp); |
4944 | | fread(&numberDebugValues,sizeof(int),1,fp); |
4945 | | fread(&obj,sizeof(double),1,fp); |
4946 | | debugValues = new double[numberDebugValues+numRows]; |
4947 | | fread(debugValues,sizeof(double),numRows,fp); |
4948 | | fread(debugValues,sizeof(double),numRows,fp); |
4949 | | fread(debugValues,sizeof(double),numberDebugValues,fp); |
4950 | | printf("%d doubles read into debugValues\n",numberDebugValues); |
4951 | | fclose(fp); |
4952 | | } else { |
4953 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
4954 | | } |
4955 | | } else { |
4956 | | std::cout<<"** Current model not valid"<<std::endl; |
4957 | | } |
4958 | | break; |
4959 | | case PRINTMASK: |
4960 | | // get next field |
4961 | | { |
4962 | | std::string name = CoinReadGetString(argc,argv); |
4963 | | if (name!="EOL") { |
4964 | | parameters[iParam].setStringValue(name); |
4965 | | printMask = name; |
4966 | | } else { |
4967 | | parameters[iParam].printString(); |
4968 | | } |
4969 | | } |
4970 | | break; |
4971 | | case BASISOUT: |
4972 | | if (goodModel) { |
4973 | | // get next field |
4974 | | field = CoinReadGetString(argc,argv); |
4975 | | if (field=="$") { |
4976 | | field = parameters[iParam].stringValue(); |
4977 | | } else if (field=="EOL") { |
4978 | | parameters[iParam].printString(); |
4979 | | break; |
4980 | | } else { |
4981 | | parameters[iParam].setStringValue(field); |
4982 | | } |
4983 | | std::string fileName; |
4984 | | bool canOpen=false; |
4985 | | if (field[0]=='/'||field[0]=='\\') { |
4986 | | fileName = field; |
4987 | | } else if (field[0]=='~') { |
4988 | | char * environVar = getenv("HOME"); |
4989 | | if (environVar) { |
4990 | | std::string home(environVar); |
4991 | | field=field.erase(0,1); |
4992 | | fileName = home+field; |
4993 | | } else { |
4994 | | fileName=field; |
4995 | | } |
4996 | | } else { |
4997 | | fileName = directory+field; |
4998 | | } |
4999 | | FILE *fp=fopen(fileName.c_str(),"w"); |
5000 | | if (fp) { |
5001 | | // can open - lets go for it |
5002 | | fclose(fp); |
5003 | | canOpen=true; |
5004 | | } else { |
5005 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
5006 | | } |
5007 | | if (canOpen) { |
5008 | | ClpSimplex * model2 = lpSolver; |
5009 | | model2->writeBasis(fileName.c_str(),outputFormat>1,outputFormat-2); |
5010 | | time2 = CoinCpuTime(); |
5011 | | totalTime += time2-time1; |
5012 | | time1=time2; |
5013 | | } |
5014 | | } else { |
5015 | | std::cout<<"** Current model not valid"<<std::endl; |
5016 | | } |
5017 | | break; |
5018 | | case SAVE: |
5019 | | { |
5020 | | // get next field |
5021 | | field = CoinReadGetString(argc,argv); |
5022 | | if (field=="$") { |
5023 | | field = parameters[iParam].stringValue(); |
5024 | | } else if (field=="EOL") { |
5025 | | parameters[iParam].printString(); |
5026 | | break; |
5027 | | } else { |
5028 | | parameters[iParam].setStringValue(field); |
5029 | | } |
5030 | | std::string fileName; |
5031 | | bool canOpen=false; |
5032 | | if (field[0]=='/'||field[0]=='\\') { |
5033 | | fileName = field; |
5034 | | } else if (field[0]=='~') { |
5035 | | char * environVar = getenv("HOME"); |
5036 | | if (environVar) { |
5037 | | std::string home(environVar); |
5038 | | field=field.erase(0,1); |
5039 | | fileName = home+field; |
5040 | | } else { |
5041 | | fileName=field; |
5042 | | } |
5043 | | } else { |
5044 | | fileName = directory+field; |
5045 | | } |
5046 | | FILE *fp=fopen(fileName.c_str(),"wb"); |
5047 | | if (fp) { |
5048 | | // can open - lets go for it |
5049 | | fclose(fp); |
5050 | | canOpen=true; |
5051 | | } else { |
5052 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
5053 | | } |
5054 | | if (canOpen) { |
5055 | | int status; |
5056 | | // If presolve on then save presolved |
5057 | | bool deleteModel2=false; |
5058 | | ClpSimplex * model2 = lpSolver; |
5059 | | if (preSolve) { |
5060 | | ClpPresolve pinfo; |
5061 | | double presolveTolerance = |
5062 | | parameters[whichParam(PRESOLVETOLERANCE,numberParameters,parameters)].doubleValue(); |
5063 | | model2 = |
5064 | | pinfo.presolvedModel(*lpSolver,presolveTolerance, |
5065 | | false,preSolve); |
5066 | | if (model2) { |
5067 | | printf("Saving presolved model on %s\n", |
5068 | | fileName.c_str()); |
5069 | | deleteModel2=true; |
5070 | | } else { |
5071 | | printf("Presolved model looks infeasible - saving original on %s\n", |
5072 | | fileName.c_str()); |
5073 | | deleteModel2=false; |
5074 | | model2 = lpSolver; |
5075 | | |
5076 | | } |
5077 | | } else { |
5078 | | printf("Saving model on %s\n", |
5079 | | fileName.c_str()); |
5080 | | } |
5081 | | status =model2->saveModel(fileName.c_str()); |
5082 | | if (deleteModel2) |
5083 | | delete model2; |
5084 | | if (!status) { |
5085 | | goodModel=true; |
5086 | | time2 = CoinCpuTime(); |
5087 | | totalTime += time2-time1; |
5088 | | time1=time2; |
5089 | | } else { |
5090 | | // errors |
5091 | | std::cout<<"There were errors on output"<<std::endl; |
5092 | | } |
5093 | | } |
5094 | | } |
5095 | | break; |
5096 | | case RESTORE: |
5097 | | { |
5098 | | // get next field |
5099 | | field = CoinReadGetString(argc,argv); |
5100 | | if (field=="$") { |
5101 | | field = parameters[iParam].stringValue(); |
5102 | | } else if (field=="EOL") { |
5103 | | parameters[iParam].printString(); |
5104 | | break; |
5105 | | } else { |
5106 | | parameters[iParam].setStringValue(field); |
5107 | | } |
5108 | | std::string fileName; |
5109 | | bool canOpen=false; |
5110 | | if (field[0]=='/'||field[0]=='\\') { |
5111 | | fileName = field; |
5112 | | } else if (field[0]=='~') { |
5113 | | char * environVar = getenv("HOME"); |
5114 | | if (environVar) { |
5115 | | std::string home(environVar); |
5116 | | field=field.erase(0,1); |
5117 | | fileName = home+field; |
5118 | | } else { |
5119 | | fileName=field; |
5120 | | } |
5121 | | } else { |
5122 | | fileName = directory+field; |
5123 | | } |
5124 | | FILE *fp=fopen(fileName.c_str(),"rb"); |
5125 | | if (fp) { |
5126 | | // can open - lets go for it |
5127 | | fclose(fp); |
5128 | | canOpen=true; |
5129 | | } else { |
5130 | | std::cout<<"Unable to open file "<<fileName<<std::endl; |
5131 | | } |
5132 | | if (canOpen) { |
5133 | | int status =lpSolver->restoreModel(fileName.c_str()); |
5134 | | if (!status) { |
5135 | | goodModel=true; |
5136 | | time2 = CoinCpuTime(); |
5137 | | totalTime += time2-time1; |
5138 | | time1=time2; |
5139 | | } else { |
5140 | | // errors |
5141 | | std::cout<<"There were errors on input"<<std::endl; |
5142 | | } |
5143 | | } |
5144 | | } |
5145 | | break; |
5146 | | case MAXIMIZE: |
5147 | | lpSolver->setOptimizationDirection(-1); |
5148 | | break; |
5149 | | case MINIMIZE: |
5150 | | lpSolver->setOptimizationDirection(1); |
5151 | | break; |
5152 | | case ALLSLACK: |
5153 | | lpSolver->allSlackBasis(true); |
5154 | | break; |
5155 | | case REVERSE: |
5156 | | if (goodModel) { |
5157 | | int iColumn; |
5158 | | int numberColumns=lpSolver->numberColumns(); |
5159 | | double * dualColumnSolution = |
5160 | | lpSolver->dualColumnSolution(); |
5161 | | ClpObjective * obj = lpSolver->objectiveAsObject(); |
5162 | | assert(dynamic_cast<ClpLinearObjective *> (obj)); |
5163 | | double offset; |
5164 | | double * objective = obj->gradient(NULL,NULL,offset,true); |
5165 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
5166 | | dualColumnSolution[iColumn] = dualColumnSolution[iColumn]; |
5167 | | objective[iColumn] = -objective[iColumn]; |
5168 | | } |
5169 | | int iRow; |
5170 | | int numberRows=lpSolver->numberRows(); |
5171 | | double * dualRowSolution = |
5172 | | lpSolver->dualRowSolution(); |
5173 | | for (iRow=0;iRow<numberRows;iRow++) |
5174 | | dualRowSolution[iRow] = dualRowSolution[iRow]; |
5175 | | } |
5176 | | break; |
5177 | | case DIRECTORY: |
5178 | | { |
5179 | | std::string name = CoinReadGetString(argc,argv); |
5180 | | if (name!="EOL") { |
5181 | | int length=name.length(); |
5182 | | if (name[length-1]=='/'||name[length-1]=='\\') |
5183 | | directory=name; |
5184 | | else |
5185 | | directory = name+"/"; |
5186 | | parameters[iParam].setStringValue(directory); |
5187 | | } else { |
5188 | | parameters[iParam].printString(); |
5189 | | } |
5190 | | } |
5191 | | break; |
5192 | | case STDIN: |
5193 | | CbcOrClpRead_mode=-1; |
5194 | | break; |
5195 | | case NETLIB_DUAL: |
5196 | | case NETLIB_EITHER: |
5197 | | case NETLIB_BARRIER: |
5198 | | case NETLIB_PRIMAL: |
5199 | | case NETLIB_TUNE: |
5200 | | { |
5201 | | // create fields for unitTest |
5202 | | const char * fields[4]; |
5203 | | int nFields=2; |
5204 | | fields[0]="fake main from unitTest"; |
5205 | | fields[1]="-netlib"; |
5206 | | if (directory!=defaultDirectory) { |
5207 | | fields[2]="-netlibDir"; |
5208 | | fields[3]=directory.c_str(); |
5209 | | nFields=4; |
5210 | | } |
5211 | | int algorithm; |
5212 | | if (type==NETLIB_DUAL) { |
5213 | | std::cerr<<"Doing netlib with dual algorithm"<<std::endl; |
5214 | | algorithm =0; |
5215 | | } else if (type==NETLIB_BARRIER) { |
5216 | | std::cerr<<"Doing netlib with barrier algorithm"<<std::endl; |
5217 | | algorithm =2; |
5218 | | } else if (type==NETLIB_EITHER) { |
5219 | | std::cerr<<"Doing netlib with dual or primal algorithm"<<std::endl; |
5220 | | algorithm =3; |
5221 | | } else if (type==NETLIB_TUNE) { |
5222 | | std::cerr<<"Doing netlib with best algorithm!"<<std::endl; |
5223 | | algorithm =5; |
5224 | | // uncomment next to get active tuning |
5225 | | // algorithm=6; |
5226 | | } else { |
5227 | | std::cerr<<"Doing netlib with primal agorithm"<<std::endl; |
5228 | | algorithm=1; |
5229 | | } |
5230 | | int specialOptions = lpSolver->specialOptions(); |
5231 | | lpSolver->setSpecialOptions(0); |
5232 | | mainTest(nFields,fields,algorithm,*lpSolver, |
5233 | | (preSolve!=0),specialOptions,doVector!=0); |
5234 | | } |
5235 | | break; |
5236 | | case UNITTEST: |
5237 | | { |
5238 | | // create fields for unitTest |
5239 | | const char * fields[3]; |
5240 | | int nFields=1; |
5241 | | fields[0]="fake main from unitTest"; |
5242 | | if (directory!=defaultDirectory) { |
5243 | | fields[1]="-mpsDir"; |
5244 | | fields[2]=directory.c_str(); |
5245 | | nFields=3; |
5246 | | } |
5247 | | mainTest(nFields,fields,false,*lpSolver,(preSolve!=0), |
5248 | | false,doVector!=0); |
5249 | | } |
5250 | | break; |
5251 | | case FAKEBOUND: |
5252 | | if (goodModel) { |
5253 | | // get bound |
5254 | | double value = CoinReadGetDoubleField(argc,argv,&valid); |
5255 | | if (!valid) { |
5256 | | std::cout<<"Setting "<<parameters[iParam].name()<< |
5257 | | " to DEBUG "<<value<<std::endl; |
5258 | | int iRow; |
5259 | | int numberRows=lpSolver->numberRows(); |
5260 | | double * rowLower = lpSolver->rowLower(); |
5261 | | double * rowUpper = lpSolver->rowUpper(); |
5262 | | for (iRow=0;iRow<numberRows;iRow++) { |
5263 | | // leave free ones for now |
5264 | | if (rowLower[iRow]>-1.0e20||rowUpper[iRow]<1.0e20) { |
5265 | | rowLower[iRow]=CoinMax(rowLower[iRow],-value); |
5266 | | rowUpper[iRow]=CoinMin(rowUpper[iRow],value); |
5267 | | } |
5268 | | } |
5269 | | int iColumn; |
5270 | | int numberColumns=lpSolver->numberColumns(); |
5271 | | double * columnLower = lpSolver->columnLower(); |
5272 | | double * columnUpper = lpSolver->columnUpper(); |
5273 | | for (iColumn=0;iColumn<numberColumns;iColumn++) { |
5274 | | // leave free ones for now |
5275 | | if (columnLower[iColumn]>-1.0e20|| |
5276 | | columnUpper[iColumn]<1.0e20) { |
5277 | | columnLower[iColumn]=CoinMax(columnLower[iColumn],-value); |
5278 | | columnUpper[iColumn]=CoinMin(columnUpper[iColumn],value); |
5279 | | } |
5280 | | } |
5281 | | } else if (valid==1) { |
5282 | | abort(); |
5283 | | } else { |
5284 | | std::cout<<"enter value for "<<parameters[iParam].name()<< |
5285 | | std::endl; |
5286 | | } |
5287 | | } |
5288 | | break; |
5289 | | case REALLY_SCALE: |
5290 | | if (goodModel) { |
5291 | | ClpSimplex newModel(*lpSolver, |
5292 | | lpSolver->scalingFlag()); |
5293 | | printf("model really really scaled\n"); |
5294 | | *lpSolver=newModel; |
5295 | | } |
5296 | | break; |
5297 | | case USERCLP: |
5298 | | // Replace the sample code by whatever you want |
5299 | | if (goodModel) { |
5300 | | #ifndef USER_HAS_FAKE_MAIN |
5301 | | printf("Dummy user clp code - model has %d rows and %d columns\n", |
5302 | | lpSolver->numberRows(),lpSolver->numberColumns()); |
5303 | | #else |
5304 | | // Way of using an existing piece of code |
5305 | | OsiClpSolverInterface * clpSolver = dynamic_cast< OsiClpSolverInterface*> (model.solver()); |
5306 | | ClpSimplex * lpSolver = clpSolver->getModelPtr(); |
5307 | | // set time from integer model |
5308 | | double timeToGo = model.getMaximumSeconds(); |
5309 | | lpSolver->setMaximumSeconds(timeToGo); |
5310 | | int extra1 = parameters[whichParam(EXTRA1,numberParameters,parameters)].intValue(); |
5311 | | fakeMain2(*lpSolver,*clpSolver,extra1); |
5312 | | lpSolver = clpSolver->getModelPtr(); |
5313 | | #ifdef COIN_HAS_ASL |
5314 | | // My actual usage has objective only in clpSolver |
5315 | | //double objectiveValue=clpSolver->getObjValue(); |
5316 | | //int iStat = lpSolver->status(); |
5317 | | //int iStat2 = lpSolver->secondaryStatus(); |
5318 | | #endif |
5319 | | #endif |
5320 | | } |
5321 | | break; |
5322 | | case USERCBC: |
5323 | | // Replace the sample code by whatever you want |
5324 | | if (goodModel) { |
5325 | | #ifndef USER_HAS_FAKE_MAIN |
5326 | | printf("Dummy user cbc code - model has %d rows and %d columns\n", |
5327 | | model.getNumRows(),model.getNumCols()); |
5328 | | // Reduce printout |
5329 | | model.solver()->setHintParam(OsiDoReducePrint,true,OsiHintTry); |
5330 | | // Do complete search |
5331 | | model.branchAndBound(); |
5332 | | #ifdef COIN_HAS_ASL |
5333 | | double objectiveValue=model.getMinimizationObjValue(); |
5334 | | int iStat = model.status(); |
5335 | | int iStat2 = model.secondaryStatus(); |
5336 | | #endif |
5337 | | #else |
5338 | | // Way of using an existing piece of code |
5339 | | OsiClpSolverInterface * clpSolver = dynamic_cast< OsiClpSolverInterface*> (model.solver()); |
5340 | | ClpSimplex * lpSolver = clpSolver->getModelPtr(); |
5341 | | // set time from integer model |
5342 | | double timeToGo = model.getMaximumSeconds(); |
5343 | | lpSolver->setMaximumSeconds(timeToGo); |
5344 | | fakeMain(*lpSolver,*clpSolver,model); |
5345 | | #ifdef COIN_HAS_ASL |
5346 | | // My actual usage has objective only in clpSolver |
5347 | | double objectiveValue=clpSolver->getObjValue(); |
5348 | | int iStat = lpSolver->status(); |
5349 | | int iStat2 = lpSolver->secondaryStatus(); |
5350 | | #endif |
5351 | | #endif |
5352 | | // make sure solution back in correct place |
5353 | | clpSolver = dynamic_cast< OsiClpSolverInterface*> (model.solver()); |
5354 | | lpSolver = clpSolver->getModelPtr(); |
5355 | | #ifdef COIN_HAS_ASL |
5356 | | if (usingAmpl) { |
5357 | | int n = clpSolver->getNumCols(); |
5358 | | double value = objectiveValue*lpSolver->getObjSense(); |
5359 | | char buf[300]; |
5360 | | int pos=0; |
5361 | | std::string minor[]={"","","gap","nodes","time","","solutions","user ctrl-c"}; |
5362 | | if (iStat==0) { |
5363 | | if (objectiveValue<1.0e40) { |
5364 | | pos += sprintf(buf+pos,"optimal," ); |
5365 | | } else { |
5366 | | // infeasible |
5367 | | iStat=1; |
5368 | | pos += sprintf(buf+pos,"infeasible,"); |
5369 | | } |
5370 | | } else if (iStat==1) { |
5371 | | if (iStat2!=6) |
5372 | | iStat=3; |
5373 | | else |
5374 | | iStat=4; |
5375 | | pos += sprintf(buf+pos,"stopped on %s,",minor[iStat2].c_str()); |
5376 | | } else if (iStat==2) { |
5377 | | iStat = 7; |
5378 | | pos += sprintf(buf+pos,"stopped on difficulties,"); |
5379 | | } else if (iStat==5) { |
5380 | | iStat = 3; |
5381 | | pos += sprintf(buf+pos,"stopped on ctrl-c,"); |
5382 | | } else { |
5383 | | pos += sprintf(buf+pos,"status unknown,"); |
5384 | | iStat=6; |
5385 | | } |
5386 | | info.problemStatus=iStat; |
5387 | | info.objValue = value; |
5388 | | if (objectiveValue<1.0e40) |
5389 | | pos += sprintf(buf+pos," objective %.*g",ampl_obj_prec(), |
5390 | | value); |
5391 | | sprintf(buf+pos,"\n%d nodes, %d iterations", |
5392 | | model.getNodeCount(), |
5393 | | model.getIterationCount()); |
5394 | | if (objectiveValue<1.0e50) { |
5395 | | free(info.primalSolution); |
5396 | | info.primalSolution = (double *) malloc(n*sizeof(double)); |
5397 | | CoinCopyN(lpSolver->primalColumnSolution(),n,info.primalSolution); |
5398 | | int numberRows = lpSolver->numberRows(); |
5399 | | free(info.dualSolution); |
5400 | | info.dualSolution = (double *) malloc(numberRows*sizeof(double)); |
5401 | | CoinCopyN(lpSolver->dualRowSolution(),numberRows,info.dualSolution); |
5402 | | } else { |
5403 | | info.primalSolution=NULL; |
5404 | | info.dualSolution=NULL; |
5405 | | } |
5406 | | // put buffer into info |
5407 | | strcpy(info.buffer,buf); |
5408 | | } |
5409 | | #endif |
5410 | | } |
5411 | | break; |
5412 | | case HELP: |
5413 | | std::cout<<"Coin Solver version "<<CBCVERSION |
5414 | | <<", build "<<__DATE__<<std::endl; |
5415 | | std::cout<<"Non default values:-"<<std::endl; |
5416 | | std::cout<<"Perturbation "<<lpSolver->perturbation()<<" (default 100)" |
5417 | | <<std::endl; |
5418 | | CoinReadPrintit( |
5419 | | "Presolve being done with 5 passes\n\ |
5420 | | Dual steepest edge steep/partial on matrix shape and factorization density\n\ |
5421 | | Clpnnnn taken out of messages\n\ |
5422 | | If Factorization frequency default then done on size of matrix\n\n\ |
5423 | | (-)unitTest, (-)netlib or (-)netlibp will do standard tests\n\n\ |
5424 | | You can switch to interactive mode at any time so\n\ |
5425 | | clp watson.mps -scaling off -primalsimplex\nis the same as\n\ |
5426 | | clp watson.mps -\nscaling off\nprimalsimplex" |
5427 | | ); |
5428 | | break; |
5429 | | case SOLUTION: |
5430 | | if (goodModel) { |
5431 | | // get next field |
5432 | | field = CoinReadGetString(argc,argv); |
5433 | | if (field=="$") { |
5434 | | field = parameters[iParam].stringValue(); |
5435 | | } else if (field=="EOL") { |
5436 | | parameters[iParam].printString(); |
5437 | | break; |
5438 | | } else { |
5439 | | parameters[iParam].setStringValue(field); |
5440 | | } |
5441 | | std::string fileName; |
5442 | | FILE *fp=NULL; |
5443 | | if (field=="-"||field=="EOL"||field=="stdout") { |
5444 | | // stdout |
5445 | | fp=stdout; |
5446 | | } else if (field=="stderr") { |
5447 | | // stderr |
5448 | | fp=stderr; |
5449 | | } else { |
5450 | | if (field[0]=='/'||field[0]=='\\') { |
5451 | | fileName = field; |
5452 | | } else if (field[0]=='~') { |
5453 | | char * environVar = getenv("HOME"); |
5454 | | if (environVar) { |
5455 | | std::string home(environVar); |
5456 | | field=field.erase(0,1); |
5457 | | fileName = home+field; |
5458 | | } else { |
5459 | | fileName=field; |
5460 | | } |
5461 | | &nb |