Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
126 lines
4.5 KiB
C++
126 lines
4.5 KiB
C++
/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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* Main authors:
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* Christian Schulte <schulte@gecode.org>
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*
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* Copyright:
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* Christian Schulte, 2004
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*
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* This file is part of Gecode, the generic constraint
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* development environment:
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* http://www.gecode.org
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/**
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* \brief Check for failure in a constraint post function
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*
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* Also sets group information for posting.
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* \ingroup TaskActor
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*/
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#define GECODE_POST \
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if (home.failed()) return; \
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::Gecode::PostInfo gecode_pi_(home);
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/**
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* \brief Check whether modification event \a me is failed, and forward failure.
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*
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* To be used inside the propagate member function of a propagator
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* or the commit member function of a brancher.
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* \ingroup TaskActor
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*/
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#define GECODE_ME_CHECK(me) do { \
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if (::Gecode::me_failed(me)) \
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return ::Gecode::ES_FAILED; \
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} while (0)
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/**
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* \brief Check whether \a me is failed or modified, and forward failure.
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*
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* To be used inside the propagate member function of a propagator
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* or the commit member function of a brancher.
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* \ingroup TaskActor
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*/
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#define GECODE_ME_CHECK_MODIFIED(modified, me) do { \
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::Gecode::ModEvent gecode_me_ ## __LINE__ = (me); \
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if (::Gecode::me_failed(gecode_me_ ## __LINE__)) \
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return ::Gecode::ES_FAILED; \
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modified |= ::Gecode::me_modified(gecode_me_ ## __LINE__); \
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} while (0)
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/**
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* \brief Check whether modification event \a me is failed, and fail space \a home.
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*
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* To be used inside post functions.
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* \ingroup TaskActor
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*/
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#define GECODE_ME_FAIL(me) do { \
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if (::Gecode::me_failed(me)) { \
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(home).fail(); \
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return; \
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}} while (0)
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/**
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* \brief Check whether execution status \a es is failed or subsumed, and
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* forward failure or subsumption.
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*
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* \ingroup TaskActor
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*/
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#define GECODE_ES_CHECK(es) do { \
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::Gecode::ExecStatus gecode_es_ ## __LINE__ = (es); \
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if (gecode_es_ ## __LINE__ < ::Gecode::ES_OK) \
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return gecode_es_ ## __LINE__; \
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} while (0)
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/**
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* \brief Check whether execution status \a es is failed, and fail
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* space \a home.
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*
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* \ingroup TaskActor
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*/
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#define GECODE_ES_FAIL(es) do { \
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::Gecode::ExecStatus gecode_es_ ## __LINE__ = (es); \
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assert(gecode_es_ ## __LINE__ != ::Gecode::ES_SUBSUMED_); \
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if (gecode_es_ ## __LINE__ < ::Gecode::ES_OK) { \
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(home).fail(); return; \
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} \
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} while (0)
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/**
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* \brief Rewrite propagator by executing post function
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*
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* \ingroup TaskActor
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*/
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#define GECODE_REWRITE(prop,post) do { \
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::Gecode::Propagator& gecode_p_ ## __LINE__ = (prop); \
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size_t gecode_s_ ## __LINE__ = gecode_p_ ## __LINE__.dispose(home); \
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::Gecode::ExecStatus gecode_es_ ## __LINE__ = (post); \
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if (gecode_es_ ## __LINE__ != ::Gecode::ES_OK) \
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return ::Gecode::ES_FAILED; \
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return home.ES_SUBSUMED_DISPOSED(gecode_p_ ## __LINE__, gecode_s_ ## __LINE__); \
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} while (0)
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// STATISTICS: kernel-other
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