Changeset 2461
 Timestamp:
 Dec 31, 2018 7:05:04 PM (4 months ago)
 File:

 1 edited
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trunk/Cbc/src/Cbc_C_Interface.h
r2460 r2461 219 219 ; 220 220 221 /** @brief Creates a copy of the current model 222 * 223 * @param model problem object 224 * @return model copy 225 **/ 226 COINLIBAPI Cbc_Model * COINLINKAGE 227 Cbc_clone(Cbc_Model * model) 228 ; 229 230 221 231 //@} 222 232 223 224 225 233 /** \name Routines to query problem contents 234 */ 235 //@{ 226 236 227 237 … … 517 527 Cbc_printModel(Cbc_Model * model, const char * argPrefix) 518 528 ; 519 /** Return a copy of this model */520 COINLIBAPI Cbc_Model * COINLINKAGE521 Cbc_clone(Cbc_Model * model)522 ;523 529 /*@}*/ 524 530 … … 560 566 561 567 562 /**@name Accessing the solution and solution status */563 568 /**@name Accessing the solution and optimization status */ 569 /*@{*/ 564 570 565 571 /** @brief Best feasible solution vector … … 611 617 Cbc_savedSolution(Cbc_Model * model, int whichSol) 612 618 ; 613 614 619 615 620 /** @brief Cost of the whichSol solution … … 632 637 ; 633 638 639 /** If optimization was abandoned due to numerical difficulties 640 * 641 * @param model problem object 642 * @return 1 if numerical difficulties interrupted the optimization, 0 otherwise 643 * */ 644 COINLIBAPI int COINLINKAGE 645 Cbc_isAbandoned(Cbc_Model * model) 646 ; 647 648 /** @brief If the optimal solution was found 649 * 650 * @param model problem object 651 * @return 1 if optimal solution was found, 0 otherwise 652 **/ 653 COINLIBAPI int COINLINKAGE 654 Cbc_isProvenOptimal(Cbc_Model * model) 655 ; 656 657 /** @brief If infeasibility was proven 658 * 659 * If model is infeasible, please note that infeasibility can also be declared 660 * if cutoff is informed and no solution better than the cutoff exists. 661 * 662 * @param model problem object 663 * @return 1 if model is infeasible, 0 otherwise 664 **/ 665 COINLIBAPI int COINLINKAGE 666 Cbc_isProvenInfeasible(Cbc_Model * model) 667 ; 668 669 /** @brief Is continuous model unbounded ? 670 * 671 * @param model problem object 672 * @return 1 if model is unbounded, 0 otherwise 673 * */ 674 COINLIBAPI int COINLINKAGE 675 Cbc_isContinuousUnbounded(Cbc_Model * model) 676 ; 677 678 /** Objective value of best feasible solution 679 * 680 * @param model problem object 681 * @return cost of the best solution found 682 * */ 683 COINLIBAPI double COINLINKAGE 684 Cbc_getObjValue(Cbc_Model * model) 685 ; 686 687 /** @brief Final optimization status 688 * 689 * Returns the optimization status. For more info check function 690 * isProvenOptimal, isProvenInfeasible, etc. Check also secondary status. 691 * Possible status are: 692 * 693 * 1 before branchAndBound 694 * 0 finished  check isProvenOptimal or isProvenInfeasible to see if solution found (or check value of best solution) 695 * 1 stopped  on maxnodes, maxsols, maxtime 696 * 2 execution abandoned due to numerical dificulties 697 * 5 user programmed interruption 698 * 699 * @param model problem object 700 * @return problem status 701 */ 702 COINLIBAPI int COINLINKAGE Cbc_status(Cbc_Model * model) ; 703 704 /** @brief Secondary status of problem 705 * 706 * Returns additional information regarding the optimization status 707 * 708 * 1 unset (status_ will also be 1) 709 * 0 search completed with solution 710 * 1 linear relaxation not feasible (or worse than cutoff) 711 * 2 stopped on gap 712 * 3 stopped on nodes 713 * 4 stopped on time 714 * 5 stopped on user event 715 * 6 stopped on solutions 716 * 7 linear relaxation unbounded 717 * 8 stopped on iteration limit 718 * 719 * @model problem object 720 * @return optimization status 721 */ 722 COINLIBAPI int COINLINKAGE 723 Cbc_secondaryStatus(Cbc_Model * model) 724 ; 725 634 726 /** Sum of primal infeasibilities */ 635 727 COINLIBAPI double COINLINKAGE … … 652 744 Cbc_getIterationCount(Cbc_Model * model) 653 745 ; 654 /** Are there a numerical difficulties? */ 655 COINLIBAPI int COINLINKAGE 656 Cbc_isAbandoned(Cbc_Model * model) 657 ; 658 /** Is optimality proven? */ 659 COINLIBAPI int COINLINKAGE 660 Cbc_isProvenOptimal(Cbc_Model * model) 661 ; 662 /** Is infeasiblity proven (or none better than cutoff)? */ 663 COINLIBAPI int COINLINKAGE 664 Cbc_isProvenInfeasible(Cbc_Model * model) 665 ; 666 /** Was continuous solution unbounded? */ 667 COINLIBAPI int COINLINKAGE 668 Cbc_isContinuousUnbounded(Cbc_Model * model) 669 ; 746 670 747 /** Node limit reached? */ 671 748 COINLIBAPI int COINLINKAGE … … 698 775 Cbc_getRowActivity(Cbc_Model * model) 699 776 ; 700 /** Objective value of best feasible solution */701 COINLIBAPI double COINLINKAGE702 Cbc_getObjValue(Cbc_Model * model)703 ;704 777 /** Number of nodes explored in B&B tree */ 705 778 COINLIBAPI int COINLINKAGE … … 710 783 Cbc_printSolution(Cbc_Model * model) 711 784 ; 712 /** Final status of problem 713 Some of these can be found out by is...... functions 714 1 before branchAndBound 715 0 finished  check isProvenOptimal or isProvenInfeasible to see if solution found 716 (or check value of best solution) 717 1 stopped  on maxnodes, maxsols, maxtime 718 2 difficulties so run was abandoned 719 (5 event user programmed event occurred) 720 */ 721 COINLIBAPI int COINLINKAGE 722 Cbc_status(Cbc_Model * model) 723 ; 724 /** Secondary status of problem 725 1 unset (status_ will also be 1) 726 0 search completed with solution 727 1 linear relaxation not feasible (or worse than cutoff) 728 2 stopped on gap 729 3 stopped on nodes 730 4 stopped on time 731 5 stopped on user event 732 6 stopped on solutions 733 7 linear relaxation unbounded 734 8 stopped on iteration limit 735 */ 736 COINLIBAPI int COINLINKAGE 737 Cbc_secondaryStatus(Cbc_Model * model) 738 ; 785 739 786 /*@}*/ 740 787 #ifdef __cplusplus
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