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type_sol.h
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* */
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/* This file is part of the program and library */
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/* SCIP --- Solving Constraint Integer Programs */
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/* */
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/* Copyright (c) 2002-2023 Zuse Institute Berlin (ZIB) */
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/* */
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/* Licensed under the Apache License, Version 2.0 (the "License"); */
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/* you may not use this file except in compliance with the License. */
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/* You may obtain a copy of the License at */
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/* */
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/* http://www.apache.org/licenses/LICENSE-2.0 */
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/* */
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/* Unless required by applicable law or agreed to in writing, software */
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/* distributed under the License is distributed on an "AS IS" BASIS, */
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/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. */
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/* See the License for the specific language governing permissions and */
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/* limitations under the License. */
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/* */
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/* You should have received a copy of the Apache-2.0 license */
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/* along with SCIP; see the file LICENSE. If not visit scipopt.org. */
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/* */
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/**@file type_sol.h
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* @brief type definitions for storing primal CIP solutions
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* @author Tobias Achterberg
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*/
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/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
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#ifndef __SCIP_TYPE_SOL_H__
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#define __SCIP_TYPE_SOL_H__
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#ifdef __cplusplus
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extern
"C"
{
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#endif
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/** origin of solution: where to retrieve uncached elements */
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enum
SCIP_SolOrigin
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{
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SCIP_SOLORIGIN_ORIGINAL
= 0,
/**< solution describes original variables; non-cached elements are zero */
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SCIP_SOLORIGIN_ZERO
= 1,
/**< all non-cached elements in solution are equal to zero */
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SCIP_SOLORIGIN_LPSOL
= 2,
/**< all non-cached elements in solution are equal to current LP solution */
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SCIP_SOLORIGIN_NLPSOL
= 3,
/**< all non-cached elements in solution are equal to current NLP solution */
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SCIP_SOLORIGIN_RELAXSOL
= 4,
/**< all non-cached elements in solution are equal to current relaxation solution */
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SCIP_SOLORIGIN_PSEUDOSOL
= 5,
/**< all non-cached elements in solution are equal to current pseudo solution */
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SCIP_SOLORIGIN_PARTIAL
= 6,
/**< solution describes original solution; all non-cached elements in solution
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* are treated as being an arbitrary value in the variable's bounds
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*/
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SCIP_SOLORIGIN_UNKNOWN
= 7
/**< all non-cached elements in solution are unknown; they have to be treated
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* as being an arbitrary value in the variable's bounds
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*/
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};
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typedef
enum
SCIP_SolOrigin
SCIP_SOLORIGIN
;
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typedef
struct
SCIP_Sol
SCIP_SOL
;
/**< primal CIP solution */
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typedef
struct
SCIP_Viol
SCIP_VIOL
;
/**< maximum violations of problem constraints */
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/** type of solution: heuristic or (LP) relaxation solution, or unspecified origin */
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enum
SCIP_SolType
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{
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SCIP_SOLTYPE_UNKNOWN
= 0,
/**< type of solution unspecified (the default) */
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SCIP_SOLTYPE_HEUR
= 1,
/**< solution was found by a heuristic */
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SCIP_SOLTYPE_RELAX
= 2,
/**< solution was found by a relaxation */
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SCIP_SOLTYPE_LPRELAX
= 3,
/**< solution was found by the LP relaxation */
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SCIP_SOLTYPE_STRONGBRANCH
= 4,
/**< solution was found during strong branching */
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SCIP_SOLTYPE_PSEUDO
= 5
/**< solution originates from a pseudo solution */
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};
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typedef
enum
SCIP_SolType
SCIP_SOLTYPE
;
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#ifdef __cplusplus
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}
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#endif
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#endif
SCIP_Sol
Definition
struct_sol.h:74
SCIP_Viol
Definition
struct_sol.h:51
SCIP_SolType
SCIP_SolType
Definition
type_sol.h:63
SCIP_SOLTYPE_HEUR
@ SCIP_SOLTYPE_HEUR
Definition
type_sol.h:65
SCIP_SOLTYPE_STRONGBRANCH
@ SCIP_SOLTYPE_STRONGBRANCH
Definition
type_sol.h:68
SCIP_SOLTYPE_RELAX
@ SCIP_SOLTYPE_RELAX
Definition
type_sol.h:66
SCIP_SOLTYPE_PSEUDO
@ SCIP_SOLTYPE_PSEUDO
Definition
type_sol.h:69
SCIP_SOLTYPE_LPRELAX
@ SCIP_SOLTYPE_LPRELAX
Definition
type_sol.h:67
SCIP_SOLTYPE_UNKNOWN
@ SCIP_SOLTYPE_UNKNOWN
Definition
type_sol.h:64
SCIP_SolOrigin
SCIP_SolOrigin
Definition
type_sol.h:41
SCIP_SOLORIGIN_ZERO
@ SCIP_SOLORIGIN_ZERO
Definition
type_sol.h:43
SCIP_SOLORIGIN_UNKNOWN
@ SCIP_SOLORIGIN_UNKNOWN
Definition
type_sol.h:51
SCIP_SOLORIGIN_RELAXSOL
@ SCIP_SOLORIGIN_RELAXSOL
Definition
type_sol.h:46
SCIP_SOLORIGIN_PSEUDOSOL
@ SCIP_SOLORIGIN_PSEUDOSOL
Definition
type_sol.h:47
SCIP_SOLORIGIN_LPSOL
@ SCIP_SOLORIGIN_LPSOL
Definition
type_sol.h:44
SCIP_SOLORIGIN_PARTIAL
@ SCIP_SOLORIGIN_PARTIAL
Definition
type_sol.h:48
SCIP_SOLORIGIN_ORIGINAL
@ SCIP_SOLORIGIN_ORIGINAL
Definition
type_sol.h:42
SCIP_SOLORIGIN_NLPSOL
@ SCIP_SOLORIGIN_NLPSOL
Definition
type_sol.h:45
SCIP_SOLTYPE
enum SCIP_SolType SCIP_SOLTYPE
Definition
type_sol.h:71
SCIP_SOLORIGIN
enum SCIP_SolOrigin SCIP_SOLORIGIN
Definition
type_sol.h:55
type_sol.h
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