Detailed Description

methods for the aggregation rows

Author: Jakob Witzig; Robert Lion Gottwald

Definition in file cuts.h.

#include "scip/def.h"
#include "scip/struct_cuts.h"
#include "scip/type_cuts.h"
#include "scip/type_lp.h"
#include "scip/type_misc.h"
#include "scip/type_retcode.h"
#include "scip/type_scip.h"
#include "scip/type_sol.h"
#include "scip/type_var.h"

Go to the source code of this file.

Functions
SCIP_EXPORT SCIP_Bool	SCIPcutsTightenCoefficients (SCIP scip, SCIP_Bool cutislocal, SCIP_Real cutcoefs, SCIP_Real cutrhs, int cutinds, int cutnnz, int nchgcoefs)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowCreate (SCIP scip, SCIP_AGGRROW *aggrrow)

SCIP_EXPORT void	SCIPaggrRowFree (SCIP scip, SCIP_AGGRROW *aggrrow)

SCIP_EXPORT void	SCIPaggrRowPrint (SCIP scip, SCIP_AGGRROW aggrrow, FILE *file)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowCopy (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_AGGRROW source)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowAddRow (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_ROW *row, SCIP_Real weight, int sidetype)

SCIP_EXPORT void	SCIPaggrRowCancelVarWithBound (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_VAR var, int pos, SCIP_Bool valid)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowAddObjectiveFunction (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_Real rhs, SCIP_Real scale)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowAddCustomCons (SCIP scip, SCIP_AGGRROW aggrrow, int inds, SCIP_Real vals, int len, SCIP_Real rhs, SCIP_Real weight, int rank, SCIP_Bool local)

SCIP_EXPORT SCIP_Real	SCIPaggrRowCalcEfficacyNorm (SCIP scip, SCIP_AGGRROW aggrrow)

SCIP_EXPORT void	SCIPaggrRowClear (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_RETCODE	SCIPaggrRowSumRows (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_Real weights, int rowinds, int nrowinds, SCIP_Bool sidetypebasis, SCIP_Bool allowlocal, int negslack, int maxaggrlen, SCIP_Bool *valid)

SCIP_EXPORT void	SCIPaggrRowRemoveZeros (SCIP scip, SCIP_AGGRROW aggrrow, SCIP_Bool *valid)

SCIP_EXPORT int *	SCIPaggrRowGetRowInds (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_Real *	SCIPaggrRowGetRowWeights (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_Bool	SCIPaggrRowHasRowBeenAdded (SCIP_AGGRROW aggrrow, SCIP_ROW row)

SCIP_EXPORT void	SCIPaggrRowGetAbsWeightRange (SCIP_AGGRROW aggrrow, SCIP_Real minabsrowweight, SCIP_Real *maxabsrowweight)

SCIP_EXPORT int *	SCIPaggrRowGetInds (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT int	SCIPaggrRowGetNNz (SCIP_AGGRROW *aggrrow)

static INLINE SCIP_Real	SCIPaggrRowGetValue (SCIP_AGGRROW *aggrrow, int i)

static INLINE SCIP_Real	SCIPaggrRowGetProbvarValue (SCIP_AGGRROW *aggrrow, int probindex)

SCIP_EXPORT int	SCIPaggrRowGetRank (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_Bool	SCIPaggrRowIsLocal (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_Real	SCIPaggrRowGetRhs (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT int	SCIPaggrRowGetNRows (SCIP_AGGRROW *aggrrow)

SCIP_EXPORT SCIP_RETCODE	SCIPselectCuts (SCIP scip, SCIP_ROW cuts, SCIP_RANDNUMGEN randnumgen, SCIP_Real goodscorefac, SCIP_Real badscorefac, SCIP_Real goodmaxparall, SCIP_Real maxparall, SCIP_Real dircutoffdistweight, SCIP_Real efficacyweight, SCIP_Real objparalweight, SCIP_Real intsupportweight, int ncuts, int nforcedcuts, int maxselectedcuts, int *nselectedcuts)

SCIP_EXPORT SCIP_RETCODE	SCIPcalcMIR (SCIP scip, SCIP_SOL sol, SCIP_Bool postprocess, SCIP_Real boundswitch, SCIP_Bool usevbds, SCIP_Bool allowlocal, SCIP_Bool fixintegralrhs, int boundsfortrans, SCIP_BOUNDTYPE boundtypesfortrans, SCIP_Real minfrac, SCIP_Real maxfrac, SCIP_Real scale, SCIP_AGGRROW aggrrow, SCIP_Real cutcoefs, SCIP_Real cutrhs, int cutinds, int cutnnz, SCIP_Real cutefficacy, int cutrank, SCIP_Bool cutislocal, SCIP_Bool *success)

SCIP_EXPORT SCIP_RETCODE	SCIPcutGenerationHeuristicCMIR (SCIP scip, SCIP_SOL sol, SCIP_Bool postprocess, SCIP_Real boundswitch, SCIP_Bool usevbds, SCIP_Bool allowlocal, int maxtestdelta, int boundsfortrans, SCIP_BOUNDTYPE boundtypesfortrans, SCIP_Real minfrac, SCIP_Real maxfrac, SCIP_AGGRROW aggrrow, SCIP_Real cutcoefs, SCIP_Real cutrhs, int cutinds, int cutnnz, SCIP_Real cutefficacy, int cutrank, SCIP_Bool cutislocal, SCIP_Bool *success)

SCIP_EXPORT SCIP_RETCODE	SCIPcalcFlowCover (SCIP scip, SCIP_SOL sol, SCIP_Bool postprocess, SCIP_Real boundswitch, SCIP_Bool allowlocal, SCIP_AGGRROW aggrrow, SCIP_Real cutcoefs, SCIP_Real cutrhs, int cutinds, int cutnnz, SCIP_Real cutefficacy, int cutrank, SCIP_Bool cutislocal, SCIP_Bool *success)

SCIP_EXPORT SCIP_RETCODE	SCIPcalcStrongCG (SCIP scip, SCIP_SOL sol, SCIP_Bool postprocess, SCIP_Real boundswitch, SCIP_Bool usevbds, SCIP_Bool allowlocal, SCIP_Real minfrac, SCIP_Real maxfrac, SCIP_Real scale, SCIP_AGGRROW aggrrow, SCIP_Real cutcoefs, SCIP_Real cutrhs, int cutinds, int cutnnz, SCIP_Real cutefficacy, int cutrank, SCIP_Bool cutislocal, SCIP_Bool *success)

SCIP

Detailed Description

Functions