Scippy

SCIP

Solving Constraint Integer Programs

Detailed Description

trivialnegation primal heuristic

Author
Jakob Witzig

Definition in file heur_trivialnegation.c.

#include "scip/heur_trivialnegation.h"
#include "scip/pub_heur.h"
#include "scip/pub_message.h"
#include "scip/pub_sol.h"
#include "scip/pub_var.h"
#include "scip/scip_heur.h"
#include "scip/scip_message.h"
#include "scip/scip_numerics.h"
#include "scip/scip_prob.h"
#include "scip/scip_sol.h"
#include "scip/scip_solve.h"
#include "scip/scip_solvingstats.h"
#include <string.h>

Go to the source code of this file.

Macros

#define HEUR_NAME   "trivialnegation"
 
#define HEUR_DESC   "negate solution entries if an objective coefficient changes the sign, enters or leaves the objective."
 
#define HEUR_DISPCHAR   SCIP_HEURDISPCHAR_PROP
 
#define HEUR_PRIORITY   39990
 
#define HEUR_FREQ   0
 
#define HEUR_FREQOFS   0
 
#define HEUR_MAXDEPTH   0
 
#define HEUR_TIMING   SCIP_HEURTIMING_BEFORENODE
 
#define HEUR_USESSUBSCIP   FALSE
 

Functions

static SCIP_DECL_HEURCOPY (heurCopyTrivialnegation)
 
static SCIP_DECL_HEUREXEC (heurExecTrivialnegation)
 
SCIP_RETCODE SCIPincludeHeurTrivialnegation (SCIP *scip)
 

Macro Definition Documentation

◆ HEUR_NAME

#define HEUR_NAME   "trivialnegation"

Definition at line 38 of file heur_trivialnegation.c.

Referenced by SCIP_DECL_HEURCOPY(), and SCIPincludeHeurTrivialnegation().

◆ HEUR_DESC

#define HEUR_DESC   "negate solution entries if an objective coefficient changes the sign, enters or leaves the objective."

Definition at line 39 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_DISPCHAR

#define HEUR_DISPCHAR   SCIP_HEURDISPCHAR_PROP

Definition at line 40 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_PRIORITY

#define HEUR_PRIORITY   39990

Definition at line 41 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_FREQ

#define HEUR_FREQ   0

Definition at line 42 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_FREQOFS

#define HEUR_FREQOFS   0

Definition at line 43 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_MAXDEPTH

#define HEUR_MAXDEPTH   0

Definition at line 44 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_TIMING

#define HEUR_TIMING   SCIP_HEURTIMING_BEFORENODE

Definition at line 45 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

◆ HEUR_USESSUBSCIP

#define HEUR_USESSUBSCIP   FALSE

does the heuristic use a secondary SCIP instance?

Definition at line 46 of file heur_trivialnegation.c.

Referenced by SCIPincludeHeurTrivialnegation().

Function Documentation

◆ SCIP_DECL_HEURCOPY()

static SCIP_DECL_HEURCOPY ( heurCopyTrivialnegation  )
static

copy method for primal heuristic plugins (called when SCIP copies plugins)

Definition at line 54 of file heur_trivialnegation.c.

References HEUR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPheurGetName(), and SCIPincludeHeurTrivialnegation().

◆ SCIP_DECL_HEUREXEC()