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C++
at develop
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Christian Schulte <schulte@gecode.org> * Vincent Barichard <Vincent.Barichard@univ-angers.fr> * * Copyright: * Christian Schulte, 2004 * Vincent Barichard, 2012 * * 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. * */
namespace Gecode { namespace Float { namespace Channel {
template<class A, class B> forceinline Channel<A,B>::Channel(Home home, A x0, B x1) : MixBinaryPropagator<A,PC_FLOAT_BND,B,Int::PC_INT_BND>(home,x0,x1) {}
template<class A, class B> forceinline Channel<A,B>::Channel(Space& home, Channel<A,B>& p) : MixBinaryPropagator<A,PC_FLOAT_BND,B,Int::PC_INT_BND>(home,p) {}
template<class A, class B> Actor* Channel<A,B>::copy(Space& home) { return new (home) Channel<A,B>(home,*this); }
template<class A, class B> ExecStatus Channel<A,B>::post(Home home, A x0, B x1) { GECODE_ME_CHECK(x0.eq(home,FloatVal(Int::Limits::min, Int::Limits::max))); GECODE_ME_CHECK(x1.gq(home,static_cast<int>(std::ceil(x0.min())))); GECODE_ME_CHECK(x1.lq(home,static_cast<int>(std::floor(x0.max())))); GECODE_ME_CHECK(x0.eq(home,FloatVal(x1.min(),x1.max()))); (void) new (home) Channel<A,B>(home,x0,x1); return ES_OK; }
template<class A, class B> ExecStatus Channel<A,B>::propagate(Space& home, const ModEventDelta&) { GECODE_ME_CHECK(x1.gq(home,static_cast<int>(std::ceil(x0.min())))); GECODE_ME_CHECK(x1.lq(home,static_cast<int>(std::floor(x0.max())))); GECODE_ME_CHECK(x0.eq(home,FloatVal(x1.min(),x1.max()))); return x0.assigned() ? home.ES_SUBSUMED(*this) : ES_FIX; }
}}}
// STATISTICS: float-prop