Scippy

SCIP

Solving Constraint Integer Programs

type_history.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 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
37 extern "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 };
48 typedef enum SCIP_BranchDir SCIP_BRANCHDIR; /**< branching direction for branching on variables */
49 
50 typedef 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
enum SCIP_BranchDir SCIP_BRANCHDIR
Definition: type_history.h:48
SCIP_BranchDir
Definition: type_history.h:41