Scippy

SCIP

Solving Constraint Integer Programs

pricer_binpacking.h
Go to the documentation of this file.
1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
2 /* */
3 /* This file is part of the program and library */
4 /* SCIP --- Solving Constraint Integer Programs */
5 /* */
6 /* Copyright (c) 2002-2024 Zuse Institute Berlin (ZIB) */
7 /* */
8 /* Licensed under the Apache License, Version 2.0 (the "License"); */
9 /* you may not use this file except in compliance with the License. */
10 /* You may obtain a copy of the License at */
11 /* */
12 /* http://www.apache.org/licenses/LICENSE-2.0 */
13 /* */
14 /* Unless required by applicable law or agreed to in writing, software */
15 /* distributed under the License is distributed on an "AS IS" BASIS, */
16 /* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
17 /* See the License for the specific language governing permissions and */
18 /* limitations under the License. */
19 /* */
20 /* You should have received a copy of the Apache-2.0 license */
21 /* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
22 /* */
23 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
24 
25 /**@file pricer_binpacking.h
26  * @brief Binpacking variable pricer
27  * @author Timo Berthold
28  * @author Stefan Heinz
29  *
30  * This file implements the variable pricer which check if variables exist with negative reduced cost. See for more
31  * details \ref BINPACKING_PRICER.
32  */
33 
34 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
35 
36 #ifndef __BIN_PRICER_BINPACKING__
37 #define __BIN_PRICER_BINPACKING__
38 
39 #include "scip/scip.h"
40 
41 
42 /** creates the binpacking variable pricer and includes it in SCIP */
44  SCIP* scip /**< SCIP data structure */
45  );
46 
47 /** added problem specific data to pricer and activates pricer */
49  SCIP* scip, /**< SCIP data structure */
50  SCIP_CONS** conss, /**< set covering constraints for the items */
51  SCIP_Longint* weights, /**< weight of the items */
52  int* ids, /**< array of item ids */
53  int nitems, /**< number of items to be packed */
54  SCIP_Longint capacity /**< capacity of the bins */
55  );
56 
57 #endif
SCIP_RETCODE SCIPpricerBinpackingActivate(SCIP *scip, SCIP_CONS **conss, SCIP_Longint *weights, int *ids, int nitems, SCIP_Longint capacity)
SCIP_RETCODE SCIPincludePricerBinpacking(SCIP *scip)
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
#define SCIP_Longint
Definition: def.h:158
SCIP callable library.