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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Christian Schulte <schulte@gecode.org>
*
* 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
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