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SCIP Doxygen Documentation: applications/CycleClustering/src/heur_fuzzyround.c Source File

40#define HEUR_NAME "fuzzyround" 41#define HEUR_DESC "primal heuristic that constructs a feasible solution from the lp-relaxation" 42#define HEUR_DISPCHAR '&' 43#define HEUR_PRIORITY 1000 46#define HEUR_MAXDEPTH -1 47#define HEUR_TIMING SCIP_HEURTIMING_AFTERNODE 48#define HEUR_USESSUBSCIP FALSE 70

assert(heur !=

NULL

);

73

assert(result !=

NULL

);

88

assert(ncluster > 0 && ncluster <= nbins);

91

assert(binvars !=

NULL

);

97 for

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

103 for

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

105

assert(

NULL

!= binvars[i]);

110 for

(k = 0; k < ncluster; ++k)

112

assert(

NULL

!= binvars[i][k]);

120

&& binsincluster[maxcluster] > binsincluster[k] )

122

binsincluster[maxcluster]--;

128

assert(maxcluster >= 0);

130

clustering[i][maxcluster] = 1.0;

145 for

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

171

assert(heur !=

NULL

);

Constraint handler for AND constraints, .

int SCIPgetNLPBranchCands(SCIP *scip)

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_LPSOLSTAT SCIPgetLPSolstat(SCIP *scip)

#define SCIPallocClearBufferArray(scip, ptr, num)

#define SCIPfreeBufferArray(scip, ptr)

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

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

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

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

SCIP_Real SCIPvarGetLPSol(SCIP_VAR *var)

SCIP_RETCODE SCIPincludeHeurFuzzyround(SCIP *scip)

static SCIP_DECL_HEUREXEC(heurExecFuzzyround)

primal heuristic that constructs a feasible solution from the lp-relaxation. Round only on the state-...

SCIP_RETCODE assignVars(SCIP *scip, SCIP_SOL *sol, SCIP_Real **clustering, int nbins, int ncluster)

int SCIPcycGetNBins(SCIP *scip)

int SCIPcycGetNCluster(SCIP *scip)

SCIP_VAR *** SCIPcycGetBinvars(SCIP *scip)

SCIP_Bool isPartition(SCIP *scip, SCIP_Real **solclustering, int nbins, int ncluster)

problem data for cycle clustering problem

enum SCIP_Retcode SCIP_RETCODE

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