Scippy

SCIP

Solving Constraint Integer Programs

type_history.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 type_history.h
26 * @ingroup TYPEDEFINITIONS
27 * @brief type definitions for branching and inference history
28 * @author Tobias Achterberg
29 */
30
31/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
32
33#ifndef __SCIP_TYPE_HISTORY_H__
34#define __SCIP_TYPE_HISTORY_H__
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40/** branching direction for branching on variables */
42{
43 SCIP_BRANCHDIR_DOWNWARDS = 0, /**< downwards branching: decreasing upper bound */
44 SCIP_BRANCHDIR_UPWARDS = 1, /**< upwards branching: increasing lower bound */
45 SCIP_BRANCHDIR_FIXED = 2, /**< fixed branching: both bounds changed */
46 SCIP_BRANCHDIR_AUTO = 3 /**< automatic setting for choosing bound changes */
47};
48typedef enum SCIP_BranchDir SCIP_BRANCHDIR; /**< branching direction for branching on variables */
49
50typedef struct SCIP_History SCIP_HISTORY; /**< branching and inference history information for single variable */
51
52/** Value history data structure
53 *
54 * branching and inference history informations for single variable dependent on the domain value
55 *
56 * - \ref SCIP_VALUEHISTORY "List of all available methods"
57 */
59
60
61#ifdef __cplusplus
62}
63#endif
64
65#endif
SCIP_BranchDir
Definition: type_history.h:42
@ SCIP_BRANCHDIR_DOWNWARDS
Definition: type_history.h:43
@ SCIP_BRANCHDIR_FIXED
Definition: type_history.h:45
@ SCIP_BRANCHDIR_AUTO
Definition: type_history.h:46
@ SCIP_BRANCHDIR_UPWARDS
Definition: type_history.h:44
enum SCIP_BranchDir SCIP_BRANCHDIR
Definition: type_history.h:48