source: trunk/Clp/src/ClpSimplex.cpp

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Diff Rev Age Author Log Message
(edit) @2030   5 years forrest fix some ampl stuff, add ClpSolver? and a few fixes
(edit) @2026   5 years forrest fix compile error for abc
(edit) @2025   5 years forrest mainly dantzig-wolfe - also Clp strong branching (rather than OsiClp?)
(edit) @2024   5 years forrest changes to abc
(edit) @1990   6 years forrest merge 1989 from stable
(edit) @1972   6 years forrest changes to allow more options and stop on feasible (and a few other things)
(edit) @1964   6 years forrest fix postsolve bug in qp
(edit) @1952   6 years forrest fix in case anyone so experimental as to use setAutomaticScale
(edit) @1947   6 years forrest 2.8 modification which can cause problems
(edit) @1945   6 years forrest fix to allow .lp files on stdin
(edit) @1927   6 years forrest minor change to check if ray exists
(edit) @1926   6 years forrest try to fix infeasibility ray, changes as in stable (for presolve), …
(edit) @1924   6 years forrest changes for miqp, parameters and presolve
(edit) @1878   7 years forrest minor changes to implement Aboca
(edit) @1872   7 years forrest pass in startFinishOptions after stopped
(edit) @1867   7 years stefan merge r1866 from stable/0.4: recompute reduced costs if factorization …
(edit) @1844   7 years forrest fix mini presolve when too much happening and modify invert frequency …
(edit) @1785   8 years forrest patches to try and make parametrics faster
(edit) @1769   8 years forrest changes for advanced use of Clp
(edit) @1761   8 years forrest more flexibility in pivoting
(edit) @1738   8 years forrest minor fixes
(edit) @1732   8 years forrest various fixes plus slightly weighted pricing plus lagomory switches
(edit) @1729   8 years forrest messages for Cbc fathoming and allow perturbation and some safety?
(edit) @1726   8 years stefan fix compiler warnings, including one that pointed to a bug
(edit) @1723   8 years forrest out some printf statements
(edit) @1722   8 years stefan adjust to changes in CoinUtils? header files
(edit) @1696   8 years forrest for integer problems with large values
(edit) @1693   8 years stefan make WSMP recoginition and use similar to Ipopt's WSMP interface
(edit) @1692   8 years stefan recognize ThirdParty/Mumps?; build ClpCholeskyMumps? only if Mumps …
(edit) @1691   8 years stefan check for AMD and CHOLMOD and GLPK's AMD in configure; compile …
(edit) @1678   9 years forrest gub stuff
(edit) @1677   9 years forrest gub
(edit) @1676   9 years forrest For GUB
(edit) @1665   9 years lou Add EPL license notice in src.
(edit) @1660   9 years forrest for user hooks and ranging/parametrics
(edit) @1641   9 years forrest allow for network bobble and lightweight presolve
(edit) @1613   9 years lou Small changes (remove local static variables) to allow DLL build with …
(edit) @1586   9 years forrest another fix for SCIP
(edit) @1585   9 years forrest changes to help SCIP
(edit) @1525   9 years mjs Formatted .cpp, .hpp, .c, .h files with "astyle -A4 -p". This matches …
(edit) @1512   10 years forrest fix seg fault on null problem and messagee in idiot
(edit) @1502   10 years forrest moving sandbox stuff to trunk
(edit) @1499   10 years forrest try and fix accuracy problems
(edit) @1494   10 years forrest fix for extremely badly scaled fathom
(edit) @1453   10 years forrest second try at changes for seg fault and idiot
(edit) @1449   10 years forrest take out a time wasting bit of debug
(edit) @1442   10 years forrest fix bad write and optional parentheses
(edit) @1439   10 years forrest minor changes
(edit) @1434   10 years forrest minor changes
(edit) @1429   10 years forrest fixes etc
(edit) @1428   10 years forrest fix for Marc
(edit) @1427   10 years forrest minor changes for examples
(edit) @1426   10 years forrest minor changes for an idea
(edit) @1424   10 years forrest fixes for various things
(edit) @1412   10 years forrest changes for priorities etc
(edit) @1402   10 years forrest get rid of compiler warnings
(edit) @1397   10 years forrest stuff for Marc and Stefan
(edit) @1377   10 years forrest changes led to asserts
(edit) @1376   10 years forrest chnages for speed and alternate factorization
(edit) @1371   10 years forrest changes to try and make faster
(edit) @1370   10 years forrest add ids
(edit) @1367   10 years forrest try and improve stability - also long double interior point
(edit) @1362   10 years forrest stupid mistake in primal
(edit) @1361   10 years forrest warnings
(edit) @1360   10 years forrest only if investigate
(edit) @1358   10 years forrest modify asserts etc for difficult problem
(edit) @1346   10 years forrest sqrt to double
(edit) @1344   10 years forrest changes to simplex and lots of stuff and start Mumps cholesky
(edit) @1342   10 years forrest better to clear rowarrays on singular pivot
(edit) @1341   10 years forrest change assert to return -1 in pivot
(edit) @1332   11 years forrest check dual infeasibilities more carefully after postsolve
(edit) @1331   11 years forrest improve dualize
(edit) @1329   11 years forrest minor change to fastdual
(edit) @1328   11 years forrest add some asserts and clean up a fathoming option
(edit) @1321   11 years forrest out compiler warnings and stability improvements
(edit) @1305   11 years forrest out printfs (again!)
(edit) @1304   11 years forrest add keyword for naive heuristic
(edit) @1295   11 years forrest temp take out assert
(edit) @1294   11 years forrest make numberPrimalInfeasibilities_ more plausible
(edit) @1293   11 years forrest fix pivotVariable_ on empty problem
(edit) @1288   11 years forrest add isObjectiveLimitTestValid
(edit) @1287   11 years forrest changes for cbc event handler and multiple factorizations
(edit) @1286   11 years forrest changes for factorization and aux region
(edit) @1284   11 years forrest allow coinsimpfactorization
(edit) @1283   11 years forrest try and fix assert on upper_
(edit) @1282   11 years forrest for fastdual
(edit) @1278   11 years forrest for ratiogap
(edit) @1267   11 years forrest changes for mahdi's heuristics
(edit) @1266   11 years forrest trying to make faster
(edit) @1246   11 years forrest modify corner point code
(edit) @1244   11 years forrest allow more iterations in primal
(edit) @1243   11 years forrest change behavior with zero objective
(edit) @1241   11 years forrest fix corner point bug
(edit) @1227   11 years forrest for getting many solutions
(edit) @1226   11 years forrest correct solution investigation
(edit) @1224   11 years forrest print only when feasible
(edit) @1223   11 years forrest add code to compute integer infeasibility every iteration
(edit) @1212   11 years forrest for Francisco and change internal solution check
(edit) @1206   11 years forrest new diving and fix ClpSimplex? bug
(edit) @1205   11 years forrest for zero problems
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