Scippy

SCIP

Solving Constraint Integer Programs

probdata_binpacking.h File Reference

Detailed Description

Problem data for binpacking problem.

Author
Timo Berthold
Stefan Heinz

This file handles the main problem data used in that project. For more details see Main problem data page.

Definition in file probdata_binpacking.h.

#include "scip/scip.h"

Go to the source code of this file.

Functions

SCIP_RETCODE SCIPprobdataCreate (SCIP *scip, const char *probname, int *ids, SCIP_Longint *weights, int nitems, SCIP_Longint capacity)
 
int * SCIPprobdataGetIds (SCIP_PROBDATA *probdata)
 
SCIP_LongintSCIPprobdataGetWeights (SCIP_PROBDATA *probdata)
 
int SCIPprobdataGetNItems (SCIP_PROBDATA *probdata)
 
SCIP_Longint SCIPprobdataGetCapacity (SCIP_PROBDATA *probdata)
 
SCIP_VAR ** SCIPprobdataGetVars (SCIP_PROBDATA *probdata)
 
int SCIPprobdataGetNVars (SCIP_PROBDATA *probdata)
 
SCIP_CONS ** SCIPprobdataGetConss (SCIP_PROBDATA *probdata)
 
SCIP_RETCODE SCIPprobdataAddVar (SCIP *scip, SCIP_PROBDATA *probdata, SCIP_VAR *var)
 

Function Documentation

◆ SCIPprobdataCreate()

SCIP_RETCODE SCIPprobdataCreate ( SCIP scip,
const char *  probname,
int *  ids,
SCIP_Longint weights,
int  nitems,
SCIP_Longint  capacity 
)

◆ SCIPprobdataGetIds()

int* SCIPprobdataGetIds ( SCIP_PROBDATA probdata)

returns array of item ids

Parameters
probdataproblem data

Definition at line 431 of file probdata_binpacking.c.

Referenced by addBranchingDecisionConss(), consdataPrint(), SCIP_DECL_BRANCHEXECLP(), and SCIPvardataPrint().

◆ SCIPprobdataGetWeights()

SCIP_Longint* SCIPprobdataGetWeights ( SCIP_PROBDATA probdata)

returns array of item weights

Parameters
probdataproblem data

Definition at line 439 of file probdata_binpacking.c.

◆ SCIPprobdataGetNItems()

int SCIPprobdataGetNItems ( SCIP_PROBDATA probdata)

returns number of items

Parameters
probdataproblem data

Definition at line 447 of file probdata_binpacking.c.

Referenced by SCIP_DECL_BRANCHEXECLP().

◆ SCIPprobdataGetCapacity()

SCIP_Longint SCIPprobdataGetCapacity ( SCIP_PROBDATA probdata)

returns bin capacity

Parameters
probdataproblem data

Definition at line 455 of file probdata_binpacking.c.

◆ SCIPprobdataGetVars()

SCIP_VAR** SCIPprobdataGetVars ( SCIP_PROBDATA probdata)

returns array of all variables ordered in the way they got generated

returns array of all variables itemed in the way they got generated

Parameters
probdataproblem data

Definition at line 463 of file probdata_binpacking.c.

◆ SCIPprobdataGetNVars()

int SCIPprobdataGetNVars ( SCIP_PROBDATA probdata)

returns number of variables

Parameters
probdataproblem data

Definition at line 471 of file probdata_binpacking.c.

◆ SCIPprobdataGetConss()

SCIP_CONS** SCIPprobdataGetConss ( SCIP_PROBDATA probdata)

returns array of set partitioning constrains

Parameters
probdataproblem data

Definition at line 479 of file probdata_binpacking.c.

◆ SCIPprobdataAddVar()

SCIP_RETCODE SCIPprobdataAddVar ( SCIP scip,
SCIP_PROBDATA probdata,
SCIP_VAR var 
)

adds given variable to the problem data

Parameters
scipSCIP data structure
probdataproblem data
varvariables to add

Definition at line 487 of file probdata_binpacking.c.

References MAX, SCIP_CALL, SCIP_OKAY, SCIPcaptureVar(), SCIPdebugMsg, and SCIPreallocBlockMemoryArray.

Referenced by createInitialColumns(), and SCIP_DECL_EVENTEXEC().