/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */ /* * Main authors: * Christian Schulte * * Copyright: * Christian Schulte, 2004 * * This file is part of Gecode, the generic constraint * development environment: * http://www.gecode.org * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * */ /** * \brief Check for failure in a constraint post function * * Also sets group information for posting. * \ingroup TaskActor */ #define GECODE_POST \ if (home.failed()) return; \ ::Gecode::PostInfo gecode_pi_(home); /** * \brief Check whether modification event \a me is failed, and forward failure. * * To be used inside the propagate member function of a propagator * or the commit member function of a brancher. * \ingroup TaskActor */ #define GECODE_ME_CHECK(me) do { \ if (::Gecode::me_failed(me)) \ return ::Gecode::ES_FAILED; \ } while (0) /** * \brief Check whether \a me is failed or modified, and forward failure. * * To be used inside the propagate member function of a propagator * or the commit member function of a brancher. * \ingroup TaskActor */ #define GECODE_ME_CHECK_MODIFIED(modified, me) do { \ ::Gecode::ModEvent gecode_me_ ## __LINE__ = (me); \ if (::Gecode::me_failed(gecode_me_ ## __LINE__)) \ return ::Gecode::ES_FAILED; \ modified |= ::Gecode::me_modified(gecode_me_ ## __LINE__); \ } while (0) /** * \brief Check whether modification event \a me is failed, and fail space \a home. * * To be used inside post functions. * \ingroup TaskActor */ #define GECODE_ME_FAIL(me) do { \ if (::Gecode::me_failed(me)) { \ (home).fail(); \ return; \ }} while (0) /** * \brief Check whether execution status \a es is failed or subsumed, and * forward failure or subsumption. * * \ingroup TaskActor */ #define GECODE_ES_CHECK(es) do { \ ::Gecode::ExecStatus gecode_es_ ## __LINE__ = (es); \ if (gecode_es_ ## __LINE__ < ::Gecode::ES_OK) \ return gecode_es_ ## __LINE__; \ } while (0) /** * \brief Check whether execution status \a es is failed, and fail * space \a home. * * \ingroup TaskActor */ #define GECODE_ES_FAIL(es) do { \ ::Gecode::ExecStatus gecode_es_ ## __LINE__ = (es); \ assert(gecode_es_ ## __LINE__ != ::Gecode::ES_SUBSUMED_); \ if (gecode_es_ ## __LINE__ < ::Gecode::ES_OK) { \ (home).fail(); return; \ } \ } while (0) /** * \brief Rewrite propagator by executing post function * * \ingroup TaskActor */ #define GECODE_REWRITE(prop,post) do { \ ::Gecode::Propagator& gecode_p_ ## __LINE__ = (prop); \ size_t gecode_s_ ## __LINE__ = gecode_p_ ## __LINE__.dispose(home); \ ::Gecode::ExecStatus gecode_es_ ## __LINE__ = (post); \ if (gecode_es_ ## __LINE__ != ::Gecode::ES_OK) \ return ::Gecode::ES_FAILED; \ return home.ES_SUBSUMED_DISPOSED(gecode_p_ ## __LINE__, gecode_s_ ## __LINE__); \ } while (0) // STATISTICS: kernel-other