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SCIP Doxygen Documentation: misc_linear.c Source File

55 const char

* conshdlrname;

59

assert(cons !=

NULL

);

60

assert(success !=

NULL

);

63

assert(conshdlr !=

NULL

);

69 if

( strcmp(conshdlrname,

"linear"

) == 0 )

73 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

87 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

91 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

95 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

119 const char

* conshdlrname;

123

assert(cons !=

NULL

);

124

assert(success !=

NULL

);

127

assert(conshdlr !=

NULL

);

133 if

( strcmp(conshdlrname,

"linear"

) == 0 )

137 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

151 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

155 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

159 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

188 const char

* conshdlrname;

193

assert(cons !=

NULL

);

194

assert(vals !=

NULL

);

195

assert(success !=

NULL

);

198

assert(conshdlr !=

NULL

);

212 if

( varssize < nvars )

214 SCIPwarningMessage

(

scip

"Cannot return value array for constraint of type <%s> (insufficient memory provided)\n"

, conshdlrname);

219 if

( strcmp(conshdlrname,

"linear"

) == 0 )

224

assert(nvars == 0 || linvals !=

NULL

);

226 for

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

228

vals[i] = linvals[i];

231 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

233 for

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

238 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

240 for

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

245 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

250

assert(nvars == 0 || weights !=

NULL

);

252 for

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

257 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

264 else if

( strcmp(conshdlrname,

"SOS1"

) == 0 )

269

assert(nvars == 0 || weights !=

NULL

);

271 for

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

273

vals[i] = weights[i];

276 else if

( strcmp(conshdlrname,

"SOS2"

) == 0 )

281

assert(nvars == 0 || weights !=

NULL

);

283 for

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

285

vals[i] = weights[i];

309 const char

* conshdlrname;

312

assert(cons !=

NULL

);

315

assert(conshdlr !=

NULL

);

320 if

( strcmp(conshdlrname,

"linear"

) == 0 )

324 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

328 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

332 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

336 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

341 else if

( strcmp(conshdlrname,

"origbranch"

) == 0 || strcmp(conshdlrname,

"masterbranch"

) == 0 )

347 SCIPwarningMessage

(

scip

"Cannot return dual farkas solution for constraint of type <%s>\n"

, conshdlrname);

365 const char

* conshdlrname;

368

assert(cons !=

NULL

);

371

assert(conshdlr !=

NULL

);

376 if

( strcmp(conshdlrname,

"linear"

) == 0 )

380 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

384 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

388 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

392 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

397 else if

( strcmp(conshdlrname,

"origbranch"

) == 0 || strcmp(conshdlrname,

"masterbranch"

) == 0 )

418 const char

* conshdlrname;

421

assert(cons !=

NULL

);

424

assert(conshdlr !=

NULL

);

427 if

( strcmp(conshdlrname,

"linear"

) == 0 )

431 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

435 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

439 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

443 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

464 const char

* conshdlrname;

467

assert(cons !=

NULL

);

468

assert(var !=

NULL

);

471

assert(conshdlr !=

NULL

);

474 if

( strcmp(conshdlrname,

"linear"

) == 0 )

478 else if

( strcmp(conshdlrname,

"setppc"

) == 0 )

482 else if

( strcmp(conshdlrname,

"logicor"

) == 0 )

486 else if

( strcmp(conshdlrname,

"knapsack"

) == 0 )

491 "The coefficient for a knapsack constraint must be integer.\n"

, val);

497 else if

( strcmp(conshdlrname,

"varbound"

) == 0 )

499 SCIPerrorMessage

(

"Sorry, can't add coefficient for constraint of type <%s>\n"

, conshdlrname);

504 SCIPerrorMessage

(

"Sorry, can't add coefficient for constraint of type <%s>\n"

, conshdlrname);

Constraint handler for the set partitioning / packing / covering constraints .

common defines and data types used in all packages of SCIP

SCIP_Real SCIPgetDualsolLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetVbdcoefVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetRhsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualfarkasVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetWeightsSOS2(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPaddCoefLinear(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var, SCIP_Real val)

SCIP_RETCODE SCIPaddCoefKnapsack(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var, SCIP_Longint weight)

SCIP_Real SCIPgetLhsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualsolLogicor(SCIP *scip, SCIP_CONS *cons)

SCIP_ROW * SCIPgetRowSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetValsLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_ROW * SCIPgetRowVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_ROW * SCIPgetRowLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_ROW * SCIPgetRowLogicor(SCIP *scip, SCIP_CONS *cons)

SCIP_Real * SCIPgetWeightsSOS1(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualfarkasLinear(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPaddCoefSetppc(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var)

SCIP_Longint * SCIPgetWeightsKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Longint SCIPgetCapacityKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetLhsVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_SETPPCTYPE SCIPgetTypeSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetRhsVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualfarkasLogicor(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualfarkasKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualsolVarbound(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualsolSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_ROW * SCIPgetRowKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualsolKnapsack(SCIP *scip, SCIP_CONS *cons)

SCIP_Real SCIPgetDualfarkasSetppc(SCIP *scip, SCIP_CONS *cons)

SCIP_RETCODE SCIPaddCoefLogicor(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var)

@ SCIP_SETPPCTYPE_PARTITIONING

@ SCIP_SETPPCTYPE_COVERING

@ SCIP_SETPPCTYPE_PACKING

void SCIPwarningMessage(SCIP *scip, const char *formatstr,...)

const char * SCIPconshdlrGetName(SCIP_CONSHDLR *conshdlr)

SCIP_RETCODE SCIPgetConsNVars(SCIP *scip, SCIP_CONS *cons, int *nvars, SCIP_Bool *success)

SCIP_CONSHDLR * SCIPconsGetHdlr(SCIP_CONS *cons)

SCIP_Real SCIPinfinity(SCIP *scip)

SCIP_Bool SCIPisIntegral(SCIP *scip, SCIP_Real val)

SCIP_Real SCIPconsGetLhs(SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success)

void SCIPconsGetDualfarkas(SCIP *scip, SCIP_CONS *cons, SCIP_Real *dualfarkas, SCIP_Bool *success)

SCIP_RETCODE SCIPconsAddCoef(SCIP *scip, SCIP_CONS *cons, SCIP_VAR *var, SCIP_Real val)

SCIP_RETCODE SCIPgetConsVals(SCIP *scip, SCIP_CONS *cons, SCIP_Real *vals, int varssize, SCIP_Bool *success)

SCIP_Real SCIPconsGetRhs(SCIP *scip, SCIP_CONS *cons, SCIP_Bool *success)

void SCIPconsGetDualsol(SCIP *scip, SCIP_CONS *cons, SCIP_Real *dualsol, SCIP_Bool *success)

SCIP_ROW * SCIPconsGetRow(SCIP *scip, SCIP_CONS *cons)

internal miscellaneous methods for linear constraints

enum SCIP_Retcode SCIP_RETCODE

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