Detailed Description
cancel non-zeros of the constraint matrix
This presolver attempts to cancel non-zero entries of the constraint matrix by adding scaled equalities to other constraints.
Definition in file presol_sparsify.h.
Go to the source code of this file.
Functions | |
SCIP_RETCODE | SCIPincludePresolSparsify (SCIP *scip) |
Function Documentation
◆ SCIPincludePresolSparsify()
SCIP_RETCODE SCIPincludePresolSparsify | ( | SCIP * | scip | ) |
creates the sparsify presolver and includes it in SCIP
- Parameters
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scip SCIP data structure
Definition at line 1053 of file presol_sparsify.c.
References DEFAULT_CANCELLINEAR, DEFAULT_ENABLECOPY, DEFAULT_MAX_BIN_FILLIN, DEFAULT_MAX_CONT_FILLIN, DEFAULT_MAX_INT_FILLIN, DEFAULT_MAXCONSIDEREDNONZEROS, DEFAULT_MAXNONZEROS, DEFAULT_MAXRETRIEVEFAC, DEFAULT_PRESERVEINTCOEFS, DEFAULT_ROWSORT, DEFAULT_WAITINGFAC, FALSE, NULL, PRESOL_DESC, PRESOL_MAXROUNDS, PRESOL_NAME, PRESOL_PRIORITY, PRESOL_TIMING, SCIP_CALL, SCIP_OKAY, SCIP_REAL_MAX, SCIPaddBoolParam(), SCIPaddCharParam(), SCIPaddIntParam(), SCIPaddRealParam(), SCIPallocBlockMemory, SCIPincludePresolBasic(), SCIPsetPresolCopy(), SCIPsetPresolFree(), SCIPsetPresolInit(), and TRUE.
Referenced by SCIP_DECL_PRESOLCOPY(), and SCIPincludeDefaultPlugins().