Scippy

SCIP

Solving Constraint Integer Programs

reader_opb.h
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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 reader_opb.h
26 * @ingroup FILEREADERS
27 * @brief pseudo-Boolean file reader (opb format)
28 * @author Stefan Heinz
29 * @author Michael Winkler
30 *
31 * This file reader parses the @a opb format and is also used by the @a wbo reader for the @a wbo format. For a
32 * detailed description of this format see http://www.cril.univ-artois.fr/PB10/format.pdf .
33 */
34
35/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
36
37#ifndef __SCIP_READER_OPB_H__
38#define __SCIP_READER_OPB_H__
39
40#include "scip/def.h"
41#include "scip/type_cons.h"
42#include "scip/type_prob.h"
43#include "scip/type_reader.h"
44#include "scip/type_result.h"
45#include "scip/type_retcode.h"
46#include "scip/type_scip.h"
47#include "scip/type_var.h"
48
49#ifdef __cplusplus
50extern "C" {
51#endif
52
53/** includes the opb file reader into SCIP
54 *
55 * @ingroup FileReaderIncludes
56 */
57SCIP_EXPORT
59 SCIP* scip /**< SCIP data structure */
60 );
61
62/**@addtogroup FILEREADERS
63 *
64 * @{
65 */
66
67/** reads problem from file */
68SCIP_EXPORT
70 SCIP* scip, /**< SCIP data structure */
71 SCIP_READER* reader, /**< the file reader itself */
72 const char* filename, /**< full path and name of file to read, or NULL if stdin should be used */
73 SCIP_RESULT* result /**< pointer to store the result of the file reading call */
74 );
75
76/** writes problem to file */
77SCIP_EXPORT
79 SCIP* scip, /**< SCIP data structure */
80 FILE* file, /**< output file, or NULL if standard output should be used */
81 const char* name, /**< problem name */
82 SCIP_Bool transformed, /**< TRUE iff problem is the transformed problem */
83 SCIP_OBJSENSE objsense, /**< objective sense */
84 SCIP_Real objscale, /**< scalar applied to objective function; external objective value is
85 extobj = objsense * objscale * (intobj + objoffset) */
86 SCIP_Real objoffset, /**< objective offset from bound shifting and fixing */
87 SCIP_VAR** vars, /**< array with active variables ordered binary, integer, implicit, continuous */
88 int nvars, /**< number of active variables in the problem */
89 int nbinvars, /**< number of binary variables */
90 int nintvars, /**< number of general integer variables */
91 int nimplvars, /**< number of implicit integer variables */
92 int ncontvars, /**< number of continuous variables */
93 SCIP_VAR** fixedvars, /**< array with fixed variables */
94 int nfixedvars, /**< number of fixed and aggregated variables in the problem */
95 SCIP_CONS** conss, /**< array with constraints of the problem */
96 int nconss, /**< number of constraints in the problem */
97 SCIP_Bool genericnames, /**< should generic variable and constraint names be used */
98 SCIP_RESULT* result /**< pointer to store the result of the file writing call */
99 );
100
101/** @} */
102
103#ifdef __cplusplus
104}
105#endif
106
107#endif
common defines and data types used in all packages of SCIP
#define SCIP_Bool
Definition: def.h:91
#define SCIP_Real
Definition: def.h:173
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:4080
SCIP_RETCODE SCIPreadOpb(SCIP *scip, SCIP_READER *reader, const char *filename, SCIP_RESULT *result)
Definition: reader_opb.c:4002
SCIP_RETCODE SCIPincludeReaderOpb(SCIP *scip)
Definition: reader_opb.c:4301
type definitions for constraints and constraint handlers
type definitions for storing and manipulating the main problem
enum SCIP_Objsense SCIP_OBJSENSE
Definition: type_prob.h:50
type definitions for input file readers
result codes for SCIP callback methods
enum SCIP_Result SCIP_RESULT
Definition: type_result.h:61
type definitions for return codes for SCIP methods
enum SCIP_Retcode SCIP_RETCODE
Definition: type_retcode.h:63
type definitions for SCIP's main datastructure
type definitions for problem variables