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SCIP Doxygen Documentation: heur_trivial.c Source File

45#define HEUR_NAME "trivial" 46#define HEUR_DESC "start heuristic which tries some trivial solutions" 47#define HEUR_DISPCHAR SCIP_HEURDISPCHAR_TRIVIAL 48#define HEUR_PRIORITY 10000 51#define HEUR_MAXDEPTH -1 52#define HEUR_TIMING SCIP_HEURTIMING_BEFOREPRESOL | SCIP_HEURTIMING_BEFORENODE 53#define HEUR_USESSUBSCIP FALSE 64

assert(heur !=

NULL

);

108

assert(vars !=

NULL

|| nvars == 0);

110 for

( i = 0; i < nvars; ++i )

117

assert(vars !=

NULL

);

128

lb =

MIN

(-large, ub);

130

ub =

MAX

(large, lb);

133

zeroval =

MAX

(

MIN

(0.0, ub), lb);

142

solval = (lb+ub)/2.0;

251

assert(heur !=

NULL

);

SCIP_RETCODE SCIPgetVarsData(SCIP *scip, SCIP_VAR ***vars, int *nvars, int *nbinvars, int *nintvars, int *nimplvars, int *ncontvars)

SCIP_RETCODE SCIPincludeHeurTrivial(SCIP *scip)

SCIP_RETCODE SCIPsetHeurCopy(SCIP *scip, SCIP_HEUR *heur, SCIP_DECL_HEURCOPY((*heurcopy)))

SCIP_RETCODE SCIPincludeHeurBasic(SCIP *scip, SCIP_HEUR **heur, const char *name, const char *desc, char dispchar, int priority, int freq, int freqofs, int maxdepth, SCIP_HEURTIMING timingmask, SCIP_Bool usessubscip, SCIP_DECL_HEUREXEC((*heurexec)), SCIP_HEURDATA *heurdata)

const char * SCIPheurGetName(SCIP_HEUR *heur)

SCIP_RETCODE SCIPcreateSol(SCIP *scip, SCIP_SOL **sol, SCIP_HEUR *heur)

SCIP_RETCODE SCIPfreeSol(SCIP *scip, SCIP_SOL **sol)

SCIP_RETCODE SCIPprintSol(SCIP *scip, SCIP_SOL *sol, FILE *file, SCIP_Bool printzeros)

SCIP_RETCODE SCIPtrySol(SCIP *scip, SCIP_SOL *sol, SCIP_Bool printreason, SCIP_Bool completely, SCIP_Bool checkbounds, SCIP_Bool checkintegrality, SCIP_Bool checklprows, SCIP_Bool *stored)

SCIP_RETCODE SCIPsetSolVal(SCIP *scip, SCIP_SOL *sol, SCIP_VAR *var, SCIP_Real val)

SCIP_Real SCIPfloor(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisInfinity(SCIP *scip, SCIP_Real val)

SCIP_Real SCIPround(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisFeasLE(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

SCIP_Real SCIPfeastol(SCIP *scip)

SCIP_Real SCIPgetHugeValue(SCIP *scip)

SCIP_Real SCIPceil(SCIP *scip, SCIP_Real val)

SCIP_Bool SCIPisFeasGT(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

SCIP_Bool SCIPisEQ(SCIP *scip, SCIP_Real val1, SCIP_Real val2)

int SCIPvarGetNLocksUpType(SCIP_VAR *var, SCIP_LOCKTYPE locktype)

SCIP_Real SCIPvarGetUbLocal(SCIP_VAR *var)

SCIP_VARTYPE SCIPvarGetType(SCIP_VAR *var)

SCIP_Real SCIPvarGetLbLocal(SCIP_VAR *var)

int SCIPvarGetNLocksDownType(SCIP_VAR *var, SCIP_LOCKTYPE locktype)

static SCIP_DECL_HEURCOPY(heurCopyTrivial)

static SCIP_DECL_HEUREXEC(heurExecTrivial)

public methods for primal heuristics

public methods for message output

public methods for problem variables

public methods for primal heuristic plugins and divesets

public methods for message handling

public methods for numerical tolerances

public methods for global and local (sub)problems

public methods for solutions

public methods for querying solving statistics

enum SCIP_Retcode SCIP_RETCODE

@ SCIP_VARTYPE_CONTINUOUS

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