/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* */ /* This file is part of the program and library */ /* SCIP --- Solving Constraint Integer Programs */ /* */ /* Copyright (C) 2002-2020 Konrad-Zuse-Zentrum */ /* fuer Informationstechnik Berlin */ /* */ /* SCIP is distributed under the terms of the ZIB Academic License. */ /* */ /* You should have received a copy of the ZIB Academic License */ /* along with SCIP; see the file COPYING. If not visit scipopt.org. */ /* */ /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /**@file presol_trivial.h * @ingroup PRESOLVERS * @brief trivial presolver: round fractional bounds on integer variables, fix variables with equal bounds * @author Tobias Achterberg * * This presolver fixes variables with equal bounds to this value. Furthermore, all integral variables, for which the * bounds are fractional, will get rounded new bounds. */ /*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/ #ifndef __SCIP_PRESOL_TRIVIAL_H__ #define __SCIP_PRESOL_TRIVIAL_H__ #include "scip/def.h" #include "scip/type_retcode.h" #include "scip/type_scip.h" #ifdef __cplusplus extern "C" { #endif /** creates the trivial presolver and includes it in SCIP * * @ingroup PresolverIncludes */ SCIP_EXPORT SCIP_RETCODE SCIPincludePresolTrivial( SCIP* scip /**< SCIP data structure */ ); #ifdef __cplusplus } #endif #endif