Detailed Description
sparse storage for multiple integer solutions
Functions | |
SCIP_RETCODE | SCIPsparseSolCreate (SCIP_SPARSESOL **sparsesol, SCIP_VAR **vars, int nvars, SCIP_Bool cleared) |
void | SCIPsparseSolFree (SCIP_SPARSESOL **sparsesol) |
SCIP_VAR ** | SCIPsparseSolGetVars (SCIP_SPARSESOL *sparsesol) |
int | SCIPsparseSolGetNVars (SCIP_SPARSESOL *sparsesol) |
SCIP_Longint * | SCIPsparseSolGetLbs (SCIP_SPARSESOL *sparsesol) |
SCIP_Longint * | SCIPsparseSolGetUbs (SCIP_SPARSESOL *sparsesol) |
void | SCIPsparseSolGetFirstSol (SCIP_SPARSESOL *sparsesol, SCIP_Longint *sol, int nvars) |
SCIP_Bool | SCIPsparseSolGetNextSol (SCIP_SPARSESOL *sparsesol, SCIP_Longint *sol, int nvars) |
Function Documentation
◆ SCIPsparseSolCreate()
SCIP_RETCODE SCIPsparseSolCreate | ( | SCIP_SPARSESOL ** | sparsesol, |
SCIP_VAR ** | vars, | ||
int | nvars, | ||
SCIP_Bool | cleared | ||
) |
creates a sparse solution
- Parameters
-
sparsesol pointer to store the created sparse solution vars variables in the sparse solution, must not contain continuous variables nvars number of variables to store, size of the lower and upper bound arrays cleared should the lower and upper bound arrays be cleared (entries set to 0)
Definition at line 713 of file misc.c.
References BMSallocClearMemoryArray, BMSallocMemory, BMSallocMemoryArray, BMSduplicateMemoryArray, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by collectSolution().
◆ SCIPsparseSolFree()
void SCIPsparseSolFree | ( | SCIP_SPARSESOL ** | sparsesol | ) |
frees sparse solution
- Parameters
-
sparsesol pointer to a sparse solution
Definition at line 765 of file misc.c.
References BMSfreeMemory, BMSfreeMemoryArray, and NULL.
Referenced by collectSolution(), and SCIP_DECL_CONSEXIT().
◆ SCIPsparseSolGetVars()
SCIP_VAR** SCIPsparseSolGetVars | ( | SCIP_SPARSESOL * | sparsesol | ) |
returns the variables in the given sparse solution
returns the variables stored in the given sparse solution
- Parameters
-
sparsesol a sparse solution
Definition at line 779 of file misc.c.
References NULL, and SCIP_SparseSol::vars.
◆ SCIPsparseSolGetNVars()
int SCIPsparseSolGetNVars | ( | SCIP_SPARSESOL * | sparsesol | ) |
returns the number of variables in the given sparse solution
returns the number of variables stored in the given sparse solution
- Parameters
-
sparsesol a sparse solution
Definition at line 789 of file misc.c.
References NULL, and SCIP_SparseSol::nvars.
Referenced by SCIPsparseSolGetFirstSol(), SCIPsparseSolGetNextSol(), and writeExpandedSolutions().
◆ SCIPsparseSolGetLbs()
SCIP_Longint* SCIPsparseSolGetLbs | ( | SCIP_SPARSESOL * | sparsesol | ) |
returns the the lower bound array for all variables for a given sparse solution
returns the lower bound array for all variables for a given sparse solution
- Parameters
-
sparsesol a sparse solution
Definition at line 799 of file misc.c.
References SCIP_SparseSol::lbvalues, and NULL.
Referenced by collectSolution(), SCIPsparseSolGetFirstSol(), and SCIPsparseSolGetNextSol().
◆ SCIPsparseSolGetUbs()
SCIP_Longint* SCIPsparseSolGetUbs | ( | SCIP_SPARSESOL * | sparsesol | ) |
returns the the upper bound array for all variables for a given sparse solution
returns the upper bound array for all variables for a given sparse solution
- Parameters
-
sparsesol a sparse solution
Definition at line 809 of file misc.c.
References NULL, and SCIP_SparseSol::ubvalues.
Referenced by collectSolution(), and SCIPsparseSolGetNextSol().
◆ SCIPsparseSolGetFirstSol()
void SCIPsparseSolGetFirstSol | ( | SCIP_SPARSESOL * | sparsesol, |
SCIP_Longint * | sol, | ||
int | nvars | ||
) |
constructs the first solution of sparse solution (all variables are set to their lower bound value
- Parameters
-
sparsesol sparse solutions sol array to store the first solution nvars number of variables
Definition at line 819 of file misc.c.
References NULL, SCIP_Longint, SCIPsparseSolGetLbs(), and SCIPsparseSolGetNVars().
Referenced by writeExpandedSolutions().
◆ SCIPsparseSolGetNextSol()
SCIP_Bool SCIPsparseSolGetNextSol | ( | SCIP_SPARSESOL * | sparsesol, |
SCIP_Longint * | sol, | ||
int | nvars | ||
) |
constructs the next solution of the sparse solution and return whether there was one more or not
- Parameters
-
sparsesol sparse solutions sol current solution array which get changed to the next solution nvars number of variables
Definition at line 842 of file misc.c.
References FALSE, NULL, SCIP_Bool, SCIP_Longint, SCIPsparseSolGetLbs(), SCIPsparseSolGetNVars(), SCIPsparseSolGetUbs(), and TRUE.
Referenced by writeExpandedSolutions().