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SCIP Doxygen Documentation: examples/Eventhdlr/src/event_boundwriting.c Source File

77#define EVENTHDLR_NAME "boundwriting" 78#define EVENTHDLR_DESC "event handler for writing current primalbound and global dualbound and for all open nodes the dualbound" 80#define DEFAULT_FREQ 0LL 81#define DEFAULT_FILENAME "" 82#define DEFAULT_WRITESUBMIPDUALBOUND FALSE 98struct

SCIP_EventhdlrData

121

assert(eventhdlrdata !=

NULL

);

123

eventhdlrdata->filename =

NULL

;

124

eventhdlrdata->file =

NULL

;

125

eventhdlrdata->isopen =

FALSE

;

126

eventhdlrdata->oldfilename[0] =

'\0'

;

127

eventhdlrdata->filenumber = 1;

145

assert(subscip !=

NULL

);

146

assert(vars !=

NULL

);

147

assert(bounds !=

NULL

);

148

assert(boundtypes !=

NULL

);

150

assert(varmap !=

NULL

);

153 for

( v = nvars - 1; v >= 0; --v )

156

assert(subscipvar !=

NULL

);

186

assert(eventhdlrdata !=

NULL

);

188

file = eventhdlrdata->file;

189

writesubmipdualbound = eventhdlrdata->writesubmipdualbound;

213 if

( writesubmipdualbound )

236#ifdef SCIP_DISABLED_CODE 305 for

( v = 2; v >= 0; --v )

324

assert(nopennodes >= 0);

331 if

( writesubmipdualbound )

372 if

( nbranchvars > size )

446

assert(eventhdlr !=

NULL

);

449#ifdef SCIP_DISABLED_CODE 464

assert(eventhdlr !=

NULL

);

467

assert(eventhdlrdata !=

NULL

);

468

assert(!eventhdlrdata->isopen);

469

assert(eventhdlrdata->file ==

NULL

);

483

assert(eventhdlr !=

NULL

);

490

assert(eventhdlrdata !=

NULL

);

503

assert(eventhdlr !=

NULL

);

510

assert(eventhdlrdata !=

NULL

);

512 if

( eventhdlrdata->isopen )

514

(void) fclose(eventhdlrdata->file);

515

eventhdlrdata->isopen =

FALSE

;

517

eventhdlrdata->file =

NULL

;

518

eventhdlrdata->oldfilename[0] =

'\0'

;

519

eventhdlrdata->filenumber = 1;

531

assert(eventhdlr !=

NULL

);

533

assert(event !=

NULL

);

536 SCIPdebugMsg

(

scip

,

"exec method of event handler for writing primal- and dualbounds\n"

);

539

assert(eventhdlrdata !=

NULL

);

543 if

( strlen(eventhdlrdata->filename) > 0 && !eventhdlrdata->isopen )

545

assert(eventhdlrdata->file ==

NULL

);

546

assert(eventhdlrdata->oldfilename[0] ==

'\0'

);

548

eventhdlrdata->file = fopen(eventhdlrdata->filename,

"w"

);

551 if

( eventhdlrdata->file ==

NULL

)

553 SCIPerrorMessage

(

"cannot create file <%s> for writing\n"

, eventhdlrdata->filename);

557

eventhdlrdata->isopen =

TRUE

;

561 SCIPinfoMessage

(

scip

, eventhdlrdata->file,

"\t (%d Presolved Constraints, %d Presolved Variables, (%d binary, %d integer, %d implicit integer, %d continuous))\n"

,

SCIPgetNConss

(

scip

),

SCIPgetNVars

(

scip

),

SCIPgetNBinVars

(

scip

),

SCIPgetNIntVars

(

scip

),

SCIPgetNImplVars

(

scip

),

SCIPgetNContVars

(

scip

));

568 if

( eventhdlrdata->freq == 0 || (

SCIPgetNNodes

(

scip

) % eventhdlrdata->freq) != 0 )

572 if

( strlen(eventhdlrdata->filename) > 0 )

579

assert(eventhdlrdata->file ==

NULL

);

580

assert(!eventhdlrdata->isopen);

582 if

( eventhdlrdata->oldfilename[0] ==

'\0'

)

586

pch=strrchr(eventhdlrdata->filename,

'.'

);

588

assert(eventhdlrdata->filenumber > 0);

597

strncat(name,

number

, (

unsigned int

)n);

606

len = (int) (pch-(eventhdlrdata->filename));

608

(void)

SCIPstrncpy

(name, eventhdlrdata->filename, len);

609

strncat(name,

number

, (

unsigned int

)n);

613 if

( len + n + strlen(&(eventhdlrdata->filename[len])) <

SCIP_MAXSTRLEN

)

614

strcat(name, &(eventhdlrdata->filename[len]));

617

eventhdlrdata->file = fopen(name,

"w"

);

619 if

( eventhdlrdata->file ==

NULL

)

621 SCIPerrorMessage

(

"cannot create file <%s> for writing\n"

, eventhdlrdata->filename);

625

eventhdlrdata->isopen =

TRUE

;

629 SCIPinfoMessage

(

scip

, eventhdlrdata->file,

"\t (%d Active Constraints, %d Active Variables, (%d binary, %d integer, %d implicit integer, %d continuous))\n"

,

SCIPgetNConss

(

scip

),

SCIPgetNVars

(

scip

),

SCIPgetNBinVars

(

scip

),

SCIPgetNIntVars

(

scip

),

SCIPgetNImplVars

(

scip

),

SCIPgetNContVars

(

scip

));

637 if

( strlen(eventhdlrdata->filename) > 0 && eventhdlrdata->isopen )

644

assert(strcmp(tmp, eventhdlrdata->oldfilename) == 0);

657 if

( strlen(eventhdlrdata->filename) > 0 )

659

assert(eventhdlrdata->isopen);

661

(void) fclose(eventhdlrdata->file);

662

eventhdlrdata->isopen =

FALSE

;

663

eventhdlrdata->file =

NULL

;

664

++(eventhdlrdata->filenumber);

686

eventExecBoundwriting, eventhdlrdata) );

687

assert(eventhdlr !=

NULL

);

697 "in which frequency should all bounds be written(0: never)"

,

701 "filename to write all bounds to"

,

705 "should the dualbound of the submip-root which was created out of an open node be printed"

,

#define SCIP_LONGINT_FORMAT

static SCIP_DECL_EVENTCOPY(eventCopyBoundwriting)

SCIP_RETCODE SCIPincludeEventHdlrBoundwriting(SCIP *scip)

static SCIP_DECL_EVENTFREE(eventFreeBoundwriting)

static SCIP_DECL_EVENTEXIT(eventExitBoundwriting)

static SCIP_RETCODE applyDomainChanges(SCIP *subscip, SCIP_VAR **vars, SCIP_Real *bounds, SCIP_BOUNDTYPE *boundtypes, int nvars, SCIP_HASHMAP *varmap)

static SCIP_DECL_EVENTINIT(eventInitBoundwriting)

static void initEventhdlrdata(SCIP_EVENTHDLRDATA *eventhdlrdata)

static SCIP_DECL_EVENTEXEC(eventExecBoundwriting)

#define DEFAULT_WRITESUBMIPDUALBOUND

static SCIP_RETCODE writeBounds(SCIP *scip, FILE *file, SCIP_Bool writesubmipdualbound)

event handler for writing primal- and dual bound for all open nodes

SCIP_RETCODE SCIPcopy(SCIP *sourcescip, SCIP *targetscip, SCIP_HASHMAP *varmap, SCIP_HASHMAP *consmap, const char *suffix, SCIP_Bool global, SCIP_Bool enablepricing, SCIP_Bool threadsafe, SCIP_Bool passmessagehdlr, SCIP_Bool *valid)

SCIP_Bool SCIPisStopped(SCIP *scip)

SCIP_RETCODE SCIPfree(SCIP **scip)

SCIP_RETCODE SCIPcreate(SCIP **scip)

SCIP_STATUS SCIPgetStatus(SCIP *scip)

int SCIPgetNIntVars(SCIP *scip)

int SCIPgetNImplVars(SCIP *scip)

const char * SCIPgetProbName(SCIP *scip)

int SCIPgetNContVars(SCIP *scip)

SCIP_RETCODE SCIPsetObjlimit(SCIP *scip, SCIP_Real objlimit)

SCIP_Real SCIPgetTransObjoffset(SCIP *scip)

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

int SCIPgetNOrigConss(SCIP *scip)

int SCIPgetNVars(SCIP *scip)

int SCIPgetNConss(SCIP *scip)

int SCIPgetNOrigVars(SCIP *scip)

SCIP_OBJSENSE SCIPgetObjsense(SCIP *scip)

int SCIPgetNBinVars(SCIP *scip)

SCIP_Real SCIPgetTransObjscale(SCIP *scip)

void SCIPhashmapFree(SCIP_HASHMAP **hashmap)

void * SCIPhashmapGetImage(SCIP_HASHMAP *hashmap, void *origin)

SCIP_RETCODE SCIPhashmapCreate(SCIP_HASHMAP **hashmap, BMS_BLKMEM *blkmem, int mapsize)

SCIP_Real SCIPgetNodeDualbound(SCIP *scip, SCIP_NODE *node)

void SCIPinfoMessage(SCIP *scip, FILE *file, const char *formatstr,...)

SCIP_RETCODE SCIPaddLongintParam(SCIP *scip, const char *name, const char *desc, SCIP_Longint *valueptr, SCIP_Bool isadvanced, SCIP_Longint defaultvalue, SCIP_Longint minvalue, SCIP_Longint maxvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)

SCIP_RETCODE SCIPaddStringParam(SCIP *scip, const char *name, const char *desc, char **valueptr, SCIP_Bool isadvanced, const char *defaultvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)

SCIP_RETCODE SCIPsetLongintParam(SCIP *scip, const char *name, SCIP_Longint value)

SCIP_RETCODE SCIPsetHeuristics(SCIP *scip, SCIP_PARAMSETTING paramsetting, SCIP_Bool quiet)

SCIP_RETCODE SCIPsetIntParam(SCIP *scip, const char *name, int value)

SCIP_RETCODE SCIPaddBoolParam(SCIP *scip, const char *name, const char *desc, SCIP_Bool *valueptr, SCIP_Bool isadvanced, SCIP_Bool defaultvalue, SCIP_DECL_PARAMCHGD((*paramchgd)), SCIP_PARAMDATA *paramdata)

SCIP_RETCODE SCIPsetBoolParam(SCIP *scip, const char *name, SCIP_Bool value)

SCIP_RETCODE SCIPsetEventhdlrCopy(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTCOPY((*eventcopy)))

SCIP_RETCODE SCIPincludeEventhdlrBasic(SCIP *scip, SCIP_EVENTHDLR **eventhdlrptr, const char *name, const char *desc, SCIP_DECL_EVENTEXEC((*eventexec)), SCIP_EVENTHDLRDATA *eventhdlrdata)

const char * SCIPeventhdlrGetName(SCIP_EVENTHDLR *eventhdlr)

SCIP_EVENTHDLRDATA * SCIPeventhdlrGetData(SCIP_EVENTHDLR *eventhdlr)

SCIP_RETCODE SCIPsetEventhdlrFree(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTFREE((*eventfree)))

SCIP_RETCODE SCIPsetEventhdlrExit(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTEXIT((*eventexit)))

SCIP_RETCODE SCIPsetEventhdlrInit(SCIP *scip, SCIP_EVENTHDLR *eventhdlr, SCIP_DECL_EVENTINIT((*eventinit)))

SCIP_EVENTTYPE SCIPeventGetType(SCIP_EVENT *event)

SCIP_RETCODE SCIPcatchEvent(SCIP *scip, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int *filterpos)

SCIP_RETCODE SCIPdropEvent(SCIP *scip, SCIP_EVENTTYPE eventtype, SCIP_EVENTHDLR *eventhdlr, SCIP_EVENTDATA *eventdata, int filterpos)

#define SCIPallocBufferArray(scip, ptr, num)

#define SCIPfreeBufferArray(scip, ptr)

#define SCIPfreeBlockMemory(scip, ptr)

#define SCIPallocBlockMemory(scip, ptr)

void SCIPnodeGetAncestorBranchings(SCIP_NODE *node, SCIP_VAR **branchvars, SCIP_Real *branchbounds, SCIP_BOUNDTYPE *boundtypes, int *nbranchvars, int branchvarssize)

SCIP_NODETYPE SCIPnodeGetType(SCIP_NODE *node)

SCIP_Longint SCIPnodeGetNumber(SCIP_NODE *node)

int SCIPnodeGetDepth(SCIP_NODE *node)

SCIP_RETCODE SCIPsolve(SCIP *scip)

SCIP_Real SCIPgetPrimalbound(SCIP *scip)

SCIP_Longint SCIPgetNNodes(SCIP *scip)

SCIP_Real SCIPgetDualbound(SCIP *scip)

SCIP_Real SCIPgetCutoffbound(SCIP *scip)

SCIP_Real SCIPinfinity(SCIP *scip)

SCIP_Bool SCIPisInfinity(SCIP *scip, SCIP_Real val)

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

SCIP_RETCODE SCIPgetChildren(SCIP *scip, SCIP_NODE ***children, int *nchildren)

int SCIPgetNNodesLeft(SCIP *scip)

SCIP_RETCODE SCIPgetLeaves(SCIP *scip, SCIP_NODE ***leaves, int *nleaves)

SCIP_RETCODE SCIPgetSiblings(SCIP *scip, SCIP_NODE ***siblings, int *nsiblings)

SCIP_NODE * SCIPgetCurrentNode(SCIP *scip)

SCIP_RETCODE SCIPchgVarLbGlobal(SCIP *scip, SCIP_VAR *var, SCIP_Real newbound)

SCIP_RETCODE SCIPchgVarUbGlobal(SCIP *scip, SCIP_VAR *var, SCIP_Real newbound)

void SCIPprintSysError(const char *message)

int SCIPstrncpy(char *t, const char *s, int size)

BMS_BLKMEM * SCIPblkmem(SCIP *scip)

#define SCIP_EVENTTYPE_NODEFEASIBLE

#define SCIP_EVENTTYPE_NODEINFEASIBLE

struct SCIP_EventhdlrData SCIP_EVENTHDLRDATA

#define SCIP_EVENTTYPE_NODEBRANCHED

#define SCIP_EVENTTYPE_NODESOLVED

enum SCIP_BoundType SCIP_BOUNDTYPE

enum SCIP_Retcode SCIP_RETCODE

@ SCIP_NODETYPE_PROBINGNODE


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