nlp.h
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23 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
55 SCIP_Bool* changed, /**< buffer to store whether the tree was changed, i.e., whether there was a fixed variable */
56 int* varpos, /**< array of length at least tree->nvars to store new indices of previously existing variables in expression tree, or -1 if variable was removed; set to NULL if not of interest */
57 int* newvarsstart /**< buffer to store index in tree->vars array where new variables begin, or NULL if not of interest */
283 /** removes (or substitutes) all fixed, negated, aggregated, multi-aggregated variables from the linear, quadratic, and nonquadratic terms of a nonlinear row */
309 /** gives the feasibility of a nonlinear row in the current NLP solution: negative value means infeasibility */
333 /** returns the pseudo feasibility of a nonlinear row in the current pseudo solution: negative value means infeasibility */
394 int nvars_estimate /**< an estimate on the number of variables that may be added to the NLP later */
524 /** gets fractional variables of last NLP solution along with solution values and fractionalities
532 SCIP_Real** fracvarssol, /**< pointer to store the array of NLP fractional variables solution values, or NULL */
533 SCIP_Real** fracvarsfrac, /**< pointer to store the array of NLP fractional variables fractionalities, or NULL */
535 int* npriofracvars /**< pointer to store the number of NLP fractional variables with maximal branching priority, or NULL */
634 /** computes for each variables the number of NLP rows in which the variable appears in a nonlinear var */
637 int* nlcount /**< an array of length at least SCIPnlpGetNVars() to store nonlinearity counts of variables */
640 /** indicates whether there exists a row that contains a continuous variable in a nonlinear term
SCIP_RETCODE SCIPnlpDelVar(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTQUEUE *eventqueue, SCIP_LP *lp, SCIP_VAR *var)
Definition: nlp.c:5403
SCIP_RETCODE SCIPnlpFree(SCIP_NLP **nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTQUEUE *eventqueue, SCIP_LP *lp)
Definition: nlp.c:5209
SCIP_RETCODE SCIPnlrowEnsureQuadVarsSize(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
Definition: nlp.c:2531
SCIP_RETCODE SCIPnlpSetStringPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, const char *sval)
Definition: nlp.c:6136
SCIP_RETCODE SCIPnlpEndDive(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set)
Definition: nlp.c:6186
type definitions for miscellaneous datastructures
SCIP_RETCODE SCIPnlrowFree(SCIP_NLROW **nlrow, BMS_BLKMEM *blkmem)
Definition: nlp.c:2259
SCIP_RETCODE SCIPnlrowChgConstant(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real constant)
Definition: nlp.c:2779
SCIP_RETCODE SCIPnlrowChgExprtreeParam(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, int paramidx, SCIP_Real paramval)
Definition: nlp.c:2734
Definition: struct_var.h:198
SCIP_RETCODE SCIPnlrowGetSolFeasibility(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_SOL *sol, SCIP_Real *feasibility)
Definition: nlp.c:3165
SCIP_RETCODE SCIPnlrowAddQuadVar(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_VAR *var)
Definition: nlp.c:2555
SCIP_RETCODE SCIPnlrowCreateCopy(SCIP_NLROW **nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_NLROW *sourcenlrow)
Definition: nlp.c:2156
Definition: struct_message.h:36
SCIP_RETCODE SCIPnlpEnsureVarsSize(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
Definition: nlp.c:5318
type definitions for global SCIP settings
SCIP_RETCODE SCIPnlpAddVar(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_VAR *var)
Definition: nlp.c:5352
SCIP_RETCODE SCIPnlpChgVarObjDive(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_VAR *var, SCIP_Real coef)
Definition: nlp.c:6247
SCIP_RETCODE SCIPnlrowDelQuadElement(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, int idx1, int idx2)
Definition: nlp.c:2629
Definition: type_expr.h:100
SCIP_RETCODE SCIPnlrowRecalcNLPActivity(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp)
Definition: nlp.c:2855
SCIP_RETCODE SCIPnlpGetRealPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, SCIP_Real *dval)
Definition: nlp.c:6086
SCIP_RETCODE SCIPnlpAddVars(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, int nvars, SCIP_VAR **vars)
Definition: nlp.c:5378
SCIP_RETCODE SCIPnlpChgVarBoundsDive(SCIP_NLP *nlp, SCIP_VAR *var, SCIP_Real lb, SCIP_Real ub)
Definition: nlp.c:6307
SCIP_RETCODE SCIPnlrowCreateFromRow(SCIP_NLROW **nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_ROW *row)
Definition: nlp.c:2191
SCIP_RETCODE SCIPnlrowPrint(SCIP_NLROW *nlrow, SCIP_MESSAGEHDLR *messagehdlr, FILE *file)
Definition: nlp.c:2296
type definitions for problem statistics
SCIP_RETCODE SCIPexprtreeRemoveFixedVars(SCIP_EXPRTREE *tree, SCIP_SET *set, SCIP_Bool *changed, int *varpos, int *newvarsstart)
Definition: nlp.c:225
type definitions for LP management
Definition: struct_sol.h:64
SCIP_RETCODE SCIPnlpWrite(SCIP_NLP *nlp, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, const char *fname)
Definition: nlp.c:5766
Definition: struct_set.h:61
SCIP_RETCODE SCIPnlrowGetActivityBounds(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_Real *minactivity, SCIP_Real *maxactivity)
Definition: nlp.c:3186
SCIP_RETCODE SCIPnlrowCreate(SCIP_NLROW **nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, const char *name, SCIP_Real constant, int nlinvars, SCIP_VAR **linvars, SCIP_Real *lincoefs, int nquadvars, SCIP_VAR **quadvars, int nquadelems, SCIP_QUADELEM *quadelems, SCIP_EXPRTREE *exprtree, SCIP_Real lhs, SCIP_Real rhs, SCIP_EXPRCURV curvature)
Definition: nlp.c:2007
SCIP_RETCODE SCIPnlrowEnsureQuadElementsSize(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
Definition: nlp.c:2590
SCIP_RETCODE SCIPnlpSetRealPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, SCIP_Real dval)
Definition: nlp.c:6103
Definition: struct_nlpi.h:78
SCIP_RETCODE SCIPnlpReset(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_EVENTQUEUE *eventqueue, SCIP_LP *lp)
Definition: nlp.c:5268
SCIP_RETCODE SCIPnlrowIsRedundant(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_Bool *isredundant)
Definition: nlp.c:3217
SCIP_RETCODE SCIPnlrowChgExprtreeParams(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real *paramvals)
Definition: nlp.c:2757
SCIP_RETCODE SCIPnlrowChgRhs(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real rhs)
Definition: nlp.c:2819
SCIP_RETCODE SCIPnlrowGetNLPFeasibility(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real *feasibility)
Definition: nlp.c:2959
SCIP_RETCODE SCIPnlpGetVarsNonlinearity(SCIP_NLP *nlp, int *nlcount)
Definition: nlp.c:5837
SCIP_RETCODE SCIPnlpRemoveRedundantNlRows(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat)
Definition: nlp.c:5687
SCIP_RETCODE SCIPnlrowAddLinearCoef(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_VAR *var, SCIP_Real val)
Definition: nlp.c:2412
SCIP_RETCODE SCIPnlpCreate(SCIP_NLP **nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, const char *name, int nvars_estimate)
Definition: nlp.c:5088
type definitions for problem variables
SCIP_RETCODE SCIPnlrowRecalcPseudoActivity(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat)
Definition: nlp.c:2979
SCIP_RETCODE SCIPnlpStartDive(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set)
Definition: nlp.c:6156
SCIP_Bool SCIPnlpHasContinuousNonlinearity(SCIP_NLP *nlp)
Definition: nlp.c:5898
type definitions for managing events
public methods for NLP management
SCIP_RETCODE SCIPnlrowDelLinearCoef(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_VAR *var)
Definition: nlp.c:2460
SCIP_RETCODE SCIPnlpGetIntPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, int *ival)
Definition: nlp.c:6053
SCIP_RETCODE SCIPnlpSolveDive(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, SCIP_STAT *stat)
Definition: nlp.c:6387
SCIP_RETCODE SCIPnlrowAddQuadElement(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_QUADELEM elem)
Definition: nlp.c:2614
SCIP_RETCODE SCIPnlrowGetPseudoActivity(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_Real *pseudoactivity)
Definition: nlp.c:3034
Definition: struct_lp.h:192
SCIP_RETCODE SCIPnlpGetStringPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, const char **sval)
Definition: nlp.c:6119
SCIP_RETCODE SCIPnlrowGetPseudoFeasibility(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_Real *pseudofeasibility)
Definition: nlp.c:3060
SCIP_RETCODE SCIPnlrowChgLhs(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real lhs)
Definition: nlp.c:2799
SCIP_RETCODE SCIPnlrowRelease(SCIP_NLROW **nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set)
Definition: nlp.c:2363
type definitions for storing primal CIP solutions
type definitions for storing and manipulating the main problem
SCIP_RETCODE SCIPnlrowChgQuadElem(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_QUADELEM elem)
Definition: nlp.c:2663
SCIP_RETCODE SCIPnlpEnsureNlRowsSize(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
Definition: nlp.c:5439
Definition: struct_lp.h:259
SCIP_RETCODE SCIPnlpDelNlRow(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_NLROW *nlrow)
Definition: nlp.c:5519
Definition: struct_nlp.h:109
SCIP_RETCODE SCIPnlpFlush(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set)
Definition: nlp.c:5550
SCIP_RETCODE SCIPnlpChgVarsBoundsDive(SCIP_NLP *nlp, SCIP_SET *set, int nvars, SCIP_VAR **vars, SCIP_Real *lbs, SCIP_Real *ubs)
Definition: nlp.c:6335
SCIP_RETCODE SCIPnlpSetInitialGuess(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_Real *initguess)
Definition: nlp.c:5733
Definition: struct_nlp.h:63
SCIP_RETCODE SCIPnlrowChgLinearCoef(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_VAR *var, SCIP_Real coef)
Definition: nlp.c:2493
SCIP_RETCODE SCIPnlpSetIntPar(SCIP_NLP *nlp, SCIP_NLPPARAM type, int ival)
Definition: nlp.c:6070
SCIP_RETCODE SCIPnlpGetStatistics(SCIP_NLP *nlp, SCIP_NLPSTATISTICS *statistics)
Definition: nlp.c:6026
Definition: struct_stat.h:50
SCIP_RETCODE SCIPnlpSolve(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_MESSAGEHDLR *messagehdlr, SCIP_STAT *stat)
Definition: nlp.c:5587
Definition: struct_expr.h:55
SCIP_RETCODE SCIPnlrowRemoveFixedVars(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp)
Definition: nlp.c:2839
type definitions for collecting primal CIP solutions and primal informations
common defines and data types used in all packages of SCIP
Definition: struct_event.h:214
SCIP_RETCODE SCIPnlrowEnsureLinearSize(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, int num)
Definition: nlp.c:2387
SCIP_RETCODE SCIPnlpGetFracVars(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_VAR ***fracvars, SCIP_Real **fracvarssol, SCIP_Real **fracvarsfrac, int *nfracvars, int *npriofracvars)
Definition: nlp.c:5653
SCIP_RETCODE SCIPnlrowChgExprtree(SCIP_NLROW *nlrow, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_EXPRTREE *exprtree)
Definition: nlp.c:2695
SCIP_RETCODE SCIPnlpGetPseudoObjval(SCIP_NLP *nlp, SCIP_SET *set, SCIP_STAT *stat, SCIP_Real *pseudoobjval)
Definition: nlp.c:5624
Definition: nlpi_all.c:47
SCIP_RETCODE SCIPnlrowGetNLPActivity(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLP *nlp, SCIP_Real *activity)
Definition: nlp.c:2932
SCIP_RETCODE SCIPnlpAddNlRows(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, int nnlrows, SCIP_NLROW **nlrows)
Definition: nlp.c:5491
SCIP_RETCODE SCIPnlrowGetSolActivity(SCIP_NLROW *nlrow, SCIP_SET *set, SCIP_STAT *stat, SCIP_SOL *sol, SCIP_Real *activity)
Definition: nlp.c:3080
SCIP_RETCODE SCIPnlpAddNlRow(SCIP_NLP *nlp, BMS_BLKMEM *blkmem, SCIP_SET *set, SCIP_STAT *stat, SCIP_NLROW *nlrow)
Definition: nlp.c:5467
memory allocation routines
Definition: struct_nlpi.h:35