SCIP
Solving Constraint Integer Programs
heur_trivialnegation.c File Reference
Detailed Description
trivialnegation primal heuristic
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 47 of file heur_trivialnegation.c.
◆ HEUR_DESC
| #define HEUR_DESC "negate solution entries if an objective coefficient changes the sign, enters or leaves the objective." |
Definition at line 48 of file heur_trivialnegation.c.
◆ HEUR_DISPCHAR
| #define HEUR_DISPCHAR SCIP_HEURDISPCHAR_PROP |
Definition at line 49 of file heur_trivialnegation.c.
◆ HEUR_PRIORITY
| #define HEUR_PRIORITY 39990 |
Definition at line 50 of file heur_trivialnegation.c.
◆ HEUR_FREQ
| #define HEUR_FREQ 0 |
Definition at line 51 of file heur_trivialnegation.c.
◆ HEUR_FREQOFS
| #define HEUR_FREQOFS 0 |
Definition at line 52 of file heur_trivialnegation.c.
◆ HEUR_MAXDEPTH
| #define HEUR_MAXDEPTH 0 |
Definition at line 53 of file heur_trivialnegation.c.
◆ HEUR_TIMING
| #define HEUR_TIMING SCIP_HEURTIMING_BEFORENODE |
Definition at line 54 of file heur_trivialnegation.c.
◆ HEUR_USESSUBSCIP
| #define HEUR_USESSUBSCIP FALSE |
does the heuristic use a secondary SCIP instance?
Definition at line 55 of file heur_trivialnegation.c.
Function Documentation
◆ SCIP_DECL_HEURCOPY()
|
static |
copy method for primal heuristic plugins (called when SCIP copies plugins)
Definition at line 63 of file heur_trivialnegation.c.
References HEUR_NAME, NULL, SCIP_CALL, SCIP_OKAY, SCIPheurGetName(), and SCIPincludeHeurTrivialnegation().
◆ SCIP_DECL_HEUREXEC()
|
static |
execution method of primal heuristic
Definition at line 78 of file heur_trivialnegation.c.
References FALSE, NULL, SCIP_Bool, SCIP_CALL, SCIP_DIDNOTFIND, SCIP_DIDNOTRUN, SCIP_FOUNDSOL, SCIP_OKAY, SCIP_Real, SCIP_VARTYPE_BINARY, SCIPcreateSol(), SCIPdebug, SCIPdebugMsg, SCIPfreeSol(), SCIPgetCutoffbound(), SCIPgetNBinVars(), SCIPgetNReoptRuns(), SCIPgetNVars(), SCIPgetReoptLastOptSol(), SCIPgetReoptOldObjCoef(), SCIPgetSolTransObj(), SCIPgetSolVal(), SCIPgetVars(), SCIPisFeasEQ(), SCIPisFeasLT(), SCIPisNegative(), SCIPisPositive(), SCIPisReoptEnabled(), SCIPisZero(), SCIPprintSol(), SCIPsetSolVal(), SCIPsolGetHeur(), SCIPtrySol(), SCIPvarGetLbGlobal(), SCIPvarGetName(), SCIPvarGetType(), SCIPvarGetUbGlobal(), SCIPvarIsActive(), and TRUE.