Scippy

SCIP

Solving Constraint Integer Programs

reader_wbo.c
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) 2002-2023 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 reader_wbo.c
26  * @ingroup DEFPLUGINS_READER
27  * @brief WBO file reader (OPB format with weighted constraints)
28  * @author Michael Winkler
29  */
30 
31 /* For file format description see opb-reader. */
32 
33 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
34 
35 #include "scip/pub_message.h"
36 #include "scip/pub_reader.h"
37 #include "scip/reader_opb.h"
38 #include "scip/reader_wbo.h"
39 #include "scip/scip_reader.h"
40 #include <string.h>
41 
42 #define READER_NAME "wboreader"
43 #define READER_DESC "file reader for pseudoboolean wbo file format"
44 #define READER_EXTENSION "wbo"
45 
46 /*
47  * Callback methods of reader
48  */
49 
50 /** copy method for reader plugins (called when SCIP copies plugins) */
51 static
52 SCIP_DECL_READERCOPY(readerCopyWbo)
53 { /*lint --e{715}*/
54  assert(scip != NULL);
55  assert(reader != NULL);
56  assert(strcmp(SCIPreaderGetName(reader), READER_NAME) == 0);
57 
58  /* call inclusion method of reader */
60 
61  return SCIP_OKAY;
62 }
63 
64 
65 /** problem reading method of reader */
66 static
67 SCIP_DECL_READERREAD(readerReadWbo)
68 { /*lint --e{715}*/
69 
70  SCIP_CALL( SCIPreadOpb(scip, reader, filename, result) );
71 
72  return SCIP_OKAY;
73 }
74 
75 
76 /** problem writing method of reader */
77 static
78 SCIP_DECL_READERWRITE(readerWriteWbo)
79 { /*lint --e{715}*/
80  SCIP_CALL( SCIPwriteOpb(scip, file, name, transformed, objsense, objscale, objoffset, vars,
81  nvars, nbinvars, nintvars, nimplvars, ncontvars, fixedvars, nfixedvars, conss, nconss, genericnames, result) );
82 
83  return SCIP_OKAY;
84 }
85 
86 
87 /*
88  * reader specific interface methods
89  */
90 
91 /** includes the wbo file reader in SCIP */
93  SCIP* scip /**< SCIP data structure */
94  )
95 {
96  SCIP_READER* reader;
97 
98  /* include reader */
100 
101  assert(reader != NULL);
102 
103  /* set non fundamental callbacks via setter functions */
104  SCIP_CALL( SCIPsetReaderCopy(scip, reader, readerCopyWbo) );
105  SCIP_CALL( SCIPsetReaderRead(scip, reader, readerReadWbo) );
106  SCIP_CALL( SCIPsetReaderWrite(scip, reader, readerWriteWbo) );
107 
108  return SCIP_OKAY;
109 }
SCIP_RETCODE SCIPincludeReaderWbo(SCIP *scip)
Definition: reader_wbo.c:92
const char * SCIPreaderGetName(SCIP_READER *reader)
Definition: reader.c:557
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
#define READER_DESC
Definition: reader_wbo.c:43
SCIP_RETCODE SCIPreadOpb(SCIP *scip, SCIP_READER *reader, const char *filename, SCIP_RESULT *result)
Definition: reader_opb.c:4267
static SCIP_DECL_READERCOPY(readerCopyWbo)
Definition: reader_wbo.c:52
SCIP_RETCODE SCIPwriteOpb(SCIP *scip, FILE *file, const char *name, SCIP_Bool transformed, SCIP_OBJSENSE objsense, SCIP_Real objscale, SCIP_Real objoffset, SCIP_VAR **vars, int nvars, int nbinvars, int nintvars, int nimplvars, int ncontvars, SCIP_VAR **fixedvars, int nfixedvars, SCIP_CONS **conss, int nconss, SCIP_Bool genericnames, SCIP_RESULT *result)
Definition: reader_opb.c:4345
#define NULL
Definition: lpi_spx1.cpp:164
#define SCIP_CALL(x)
Definition: def.h:394
WBO file reader (LP format with generic variables and row names)
SCIP_RETCODE SCIPincludeReaderBasic(SCIP *scip, SCIP_READER **readerptr, const char *name, const char *desc, const char *extension, SCIP_READERDATA *readerdata)
Definition: scip_reader.c:109
#define READER_NAME
Definition: reader_wbo.c:42
SCIP_RETCODE SCIPsetReaderWrite(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERWRITE((*readerwrite)))
Definition: scip_reader.c:219
SCIP_RETCODE SCIPsetReaderCopy(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERCOPY((*readercopy)))
Definition: scip_reader.c:147
#define READER_EXTENSION
Definition: reader_wbo.c:44
pseudo-Boolean file reader (opb format)
static SCIP_DECL_READERWRITE(readerWriteWbo)
Definition: reader_wbo.c:78
public methods for message output
public methods for input file readers
static SCIP_DECL_READERREAD(readerReadWbo)
Definition: reader_wbo.c:67
SCIP_RETCODE SCIPsetReaderRead(SCIP *scip, SCIP_READER *reader, SCIP_DECL_READERREAD((*readerread)))
Definition: scip_reader.c:195
public methods for reader plugins