Scippy

SCIP

Solving Constraint Integer Programs

heur_fuzzyround.c File Reference

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.

Author
Leon Eifler

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()

◆ SCIPincludeHeurFuzzyround()

SCIP_RETCODE SCIPincludeHeurFuzzyround ( SCIP scip)

creates the oneopt primal heuristic and includes it in SCIP

Parameters
scipSCIP 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().