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_stat.h
17  * @brief  type definitions for problem statistics
18  * @author Tobias Achterberg
19  */
20 
21 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
22 
23 #ifndef __SCIP_TYPE_STAT_H__
24 #define __SCIP_TYPE_STAT_H__
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
30 /** SCIP solving status */
31 enum SCIP_Status
32 {
33    SCIP_STATUS_UNKNOWN        =  0,     /**< the solving status is not yet known */
34    SCIP_STATUS_USERINTERRUPT  =  1,     /**< the user interrupted the solving process (by pressing CTRL-C) */
35    SCIP_STATUS_NODELIMIT      =  2,     /**< the solving process was interrupted because the node limit was reached */
36    SCIP_STATUS_TOTALNODELIMIT =  3,     /**< the solving process was interrupted because the total node limit was
37                                          *   reached (incl. restarts)
38                                          */
39    SCIP_STATUS_STALLNODELIMIT =  4,     /**< the solving process was interrupted because the stalling node limit was
40                                          *   reached (no inprovement w.r.t. primal bound)
41                                          */
42    SCIP_STATUS_TIMELIMIT      =  5,     /**< the solving process was interrupted because the time limit was reached */
43    SCIP_STATUS_MEMLIMIT       =  6,     /**< the solving process was interrupted because the memory limit was reached */
44    SCIP_STATUS_GAPLIMIT       =  7,     /**< the solving process was interrupted because the gap limit was reached */
45    SCIP_STATUS_SOLLIMIT       =  8,     /**< the solving process was interrupted because the solution limit was
46                                           *  reached
47                                           */
48    SCIP_STATUS_BESTSOLLIMIT   =  9,    /**< the solving process was interrupted because the solution improvement limit
49                                           *   was reached
50                                           */
51    SCIP_STATUS_RESTARTLIMIT   = 10,     /**< the solving process was interrupted because the restart limit was reached */
52    SCIP_STATUS_OPTIMAL        = 11,     /**< the problem was solved to optimality, an optimal solution is available */
53    SCIP_STATUS_INFEASIBLE     = 12,     /**< the problem was proven to be infeasible */
54    SCIP_STATUS_UNBOUNDED      = 13,     /**< the problem was proven to be unbounded */
55    SCIP_STATUS_INFORUNBD      = 14,     /**< the problem was proven to be either infeasible or unbounded */
56    SCIP_STATUS_TERMINATE      = 15      /**< status if the process received a SIGTERM signal */
57 };
58 typedef enum SCIP_Status SCIP_STATUS;
59 
60 typedef struct SCIP_Stat SCIP_STAT;               /**< problem and runtime specific statistics */
61 
62 #ifdef __cplusplus
63 }
64 #endif
65 
66 #endif
67