Detailed Description
primal heuristic that constructs a feasible solution from the lp-relaxation. Round only on the state-variables (binvars) and then reconstruct the rest of the variables accordingly.
Definition in file heur_fuzzyround.c.
#include <assert.h>
#include <string.h>
#include "heur_fuzzyround.h"
#include "probdata_cyc.h"
#include "scip/cons_and.h"
Go to the source code of this file.
Macros | |
#define | HEUR_NAME "fuzzyround" |
#define | HEUR_DESC "primal heuristic that constructs a feasible solution from the lp-relaxation" |
#define | HEUR_DISPCHAR '&' |
#define | HEUR_PRIORITY 1000 |
#define | HEUR_FREQ 1 |
#define | HEUR_FREQOFS 0 |
#define | HEUR_MAXDEPTH -1 |
#define | HEUR_TIMING SCIP_HEURTIMING_AFTERNODE |
#define | HEUR_USESSUBSCIP FALSE |
Functions | |
static | SCIP_DECL_HEUREXEC (heurExecFuzzyround) |
SCIP_RETCODE | SCIPincludeHeurFuzzyround (SCIP *scip) |
Macro Definition Documentation
◆ HEUR_NAME
#define HEUR_NAME "fuzzyround" |
Definition at line 40 of file heur_fuzzyround.c.
Referenced by SCIP_DECL_HEUREXEC(), and SCIPincludeHeurFuzzyround().
◆ HEUR_DESC
#define HEUR_DESC "primal heuristic that constructs a feasible solution from the lp-relaxation" |
Definition at line 41 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_DISPCHAR
#define HEUR_DISPCHAR '&' |
Definition at line 42 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_PRIORITY
#define HEUR_PRIORITY 1000 |
Definition at line 43 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_FREQ
#define HEUR_FREQ 1 |
Definition at line 44 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_FREQOFS
#define HEUR_FREQOFS 0 |
Definition at line 45 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_MAXDEPTH
#define HEUR_MAXDEPTH -1 |
Definition at line 46 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_TIMING
#define HEUR_TIMING SCIP_HEURTIMING_AFTERNODE |
Definition at line 47 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
◆ HEUR_USESSUBSCIP
#define HEUR_USESSUBSCIP FALSE |
does the heuristic use a secondary SCIP instance?
Definition at line 48 of file heur_fuzzyround.c.
Referenced by SCIPincludeHeurFuzzyround().
Function Documentation
◆ SCIP_DECL_HEUREXEC()
|
static |
execution method of primal heuristic
Definition at line 56 of file heur_fuzzyround.c.
References assignVars(), FALSE, HEUR_NAME, isPartition(), NULL, SCIP_Bool, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_FOUNDSOL, SCIP_LPSOLSTAT_OPTIMAL, SCIP_OKAY, SCIP_Real, SCIPallocClearBufferArray, SCIPcreateSol(), SCIPcycGetBinvars(), SCIPcycGetNBins(), SCIPcycGetNCluster(), SCIPfreeBufferArray, SCIPgetLPSolstat(), SCIPgetNLPBranchCands(), SCIPheurGetName(), SCIPisEQ(), SCIPisGT(), SCIPtrySolFree(), SCIPvarGetLPSol(), and TRUE.
◆ SCIPincludeHeurFuzzyround()
SCIP_RETCODE SCIPincludeHeurFuzzyround | ( | SCIP * | scip | ) |
creates the oneopt primal heuristic and includes it in SCIP
- Parameters
-
scip SCIP data structure
Definition at line 160 of file heur_fuzzyround.c.
References HEUR_DESC, HEUR_DISPCHAR, HEUR_FREQ, HEUR_FREQOFS, HEUR_MAXDEPTH, HEUR_NAME, HEUR_PRIORITY, HEUR_TIMING, HEUR_USESSUBSCIP, NULL, SCIP_CALL, SCIP_OKAY, and SCIPincludeHeurBasic().
Referenced by SCIPincludeCycPlugins().