Scippy

SCIP

Solving Constraint Integer Programs

type_tree.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) 2002-2021 Konrad-Zuse-Zentrum */
7 /* fuer Informationstechnik Berlin */
8 /* */
9 /* SCIP is distributed under the terms of the ZIB Academic License. */
10 /* */
11 /* You should have received a copy of the ZIB Academic License */
12 /* along with SCIP; see the file COPYING. If not visit scipopt.org. */
13 /* */
14 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
15 
16 /**@file type_tree.h
17  * @brief type definitions for branch and bound tree
18  * @author Tobias Achterberg
19  */
20 
21 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
22 
23 #ifndef __SCIP_TYPE_TREE_H__
24 #define __SCIP_TYPE_TREE_H__
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
31 {
32  SCIP_NODETYPE_FOCUSNODE = 0, /**< the focus node, whose data is stored in the tree data structure */
33  SCIP_NODETYPE_PROBINGNODE = 1, /**< temporary child node of the focus or refocused node used for probing */
34  SCIP_NODETYPE_SIBLING = 2, /**< unsolved sibling of the focus node */
35  SCIP_NODETYPE_CHILD = 3, /**< unsolved child of the focus node */
36  SCIP_NODETYPE_LEAF = 4, /**< unsolved leaf of the tree, stored in the tree's queue */
37  SCIP_NODETYPE_DEADEND = 5, /**< temporary type of focus node, if it was solved completely */
38  SCIP_NODETYPE_JUNCTION = 6, /**< fork without LP solution */
39  SCIP_NODETYPE_PSEUDOFORK = 7, /**< fork without LP solution and added rows and columns */
40  SCIP_NODETYPE_FORK = 8, /**< fork with solved LP and added rows and columns */
41  SCIP_NODETYPE_SUBROOT = 9, /**< fork with solved LP and arbitrarily changed rows and columns */
42  SCIP_NODETYPE_REFOCUSNODE = 10 /**< junction, fork, or subroot that was refocused for domain propagation */
43 };
44 typedef enum SCIP_NodeType SCIP_NODETYPE; /**< type of node */
45 
46 typedef struct SCIP_Probingnode SCIP_PROBINGNODE; /**< data for probing nodes */
47 typedef struct SCIP_Sibling SCIP_SIBLING; /**< data for sibling nodes */
48 typedef struct SCIP_Child SCIP_CHILD; /**< data for child nodes */
49 typedef struct SCIP_Leaf SCIP_LEAF; /**< data for leaf nodes */
50 typedef struct SCIP_Junction SCIP_JUNCTION; /**< data for junction nodes */
51 typedef struct SCIP_Pseudofork SCIP_PSEUDOFORK; /**< data for pseudo fork nodes */
52 typedef struct SCIP_Fork SCIP_FORK; /**< data for fork nodes */
53 typedef struct SCIP_Subroot SCIP_SUBROOT; /**< data for subroot nodes */
54 typedef struct SCIP_Node SCIP_NODE; /**< node data structure */
55 typedef struct SCIP_PendingBdchg SCIP_PENDINGBDCHG; /**< bound change information for pending bound changes */
56 typedef struct SCIP_Tree SCIP_TREE; /**< branch and bound tree */
57 
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif
SCIP_NodeType
Definition: type_tree.h:30
enum SCIP_NodeType SCIP_NODETYPE
Definition: type_tree.h:44