1 /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ 2 /* */ 3 /* This file is part of the program and library */ 4 /* SCIP --- Solving Constraint Integer Programs */ 5 /* */ 6 /* Copyright (c) 2002-2023 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 scip_validation.h 26 * @ingroup PUBLICCOREAPI 27 * @brief public methods for validation 28 * @author Tobias Achterberg 29 * @author Timo Berthold 30 * @author Thorsten Koch 31 * @author Alexander Martin 32 * @author Marc Pfetsch 33 * @author Kati Wolter 34 * @author Gregor Hendel 35 * @author Leona Gottwald 36 */ 37 38 /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ 39 40 #ifndef __SCIP_SCIP_VALIDATION_H__ 41 #define __SCIP_SCIP_VALIDATION_H__ 42 43 44 #include "scip/def.h" 45 #include "scip/type_retcode.h" 46 #include "scip/type_scip.h" 47 48 #ifdef __cplusplus 49 extern "C" { 50 #endif 51 52 /**@addtogroup PublicValidationMethods 53 * 54 * @{ 55 */ 56 57 /** validate the result of the solve 58 * 59 * the validation includes 60 * 61 * - checking the feasibility of the incumbent solution in the original problem (using SCIPcheckSolOrig()) 62 * 63 * - checking if the objective bounds computed by SCIP agree with external primal and dual reference bounds. 64 * 65 * All external reference bounds the original problem space and the original objective sense. 66 * 67 * For infeasible problems, +/-SCIPinfinity() should be passed as reference bounds depending on the objective sense 68 * of the original problem. 69 */ 70 SCIP_EXPORT 71 SCIP_RETCODE SCIPvalidateSolve( 72 SCIP* scip, /**< SCIP data structure */ 73 SCIP_Real primalreference, /**< external primal reference value for the problem, or SCIP_UNKNOWN */ 74 SCIP_Real dualreference, /**< external dual reference value for the problem, or SCIP_UNKNOWN */ 75 SCIP_Real reftol, /**< relative tolerance for acceptable violation of reference values */ 76 SCIP_Bool quiet, /**< TRUE if no status line should be printed */ 77 SCIP_Bool* feasible, /**< pointer to store if the best solution is feasible in the original problem, 78 * or NULL */ 79 SCIP_Bool* primalboundcheck, /**< pointer to store if the primal bound respects the given dual reference 80 * value, or NULL */ 81 SCIP_Bool* dualboundcheck /**< pointer to store if the dual bound respects the given primal reference 82 * value, or NULL */ 83 ); 84 85 /**@} */ 86 87 #ifdef __cplusplus 88 } 89 #endif 90 91 #endif 92