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2.6 kB · 85 lines
C++
at develop
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- *//* * Main authors: * Vincent Barichard <Vincent.Barichard@univ-angers.fr> * * Copyright: * 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. * */
#ifdef GECODE_HAS_FLOAT_VARS
namespace Gecode {
/* * Operations for linear float relations * */ forceinline LinFloatRel::LinFloatRel(void) {}
forceinline LinFloatRel::LinFloatRel(const LinFloatExpr& l, FloatRelType frt0, const LinFloatExpr& r) : e(l-r), frt(frt0) {}
forceinline LinFloatRel::LinFloatRel(const LinFloatExpr& l, FloatRelType frt0, FloatVal r) : e(l-r), frt(frt0) {}
forceinline LinFloatRel::LinFloatRel(FloatVal l, FloatRelType frt0, const LinFloatExpr& r) : e(l-r), frt(frt0) {}
forceinline FloatRelType LinFloatRel::neg(FloatRelType frt) { switch (frt) { case FRT_EQ: return FRT_NQ; case FRT_NQ: return FRT_EQ; case FRT_LQ: return FRT_GR; case FRT_LE: return FRT_GQ; case FRT_GQ: return FRT_LE; case FRT_GR: return FRT_LQ; default: GECODE_NEVER; } return FRT_LQ; }
forceinline void LinFloatRel::post(Home home, bool t) const { e.post(home,t ? frt : neg(frt)); }
forceinline void LinFloatRel::post(Home home, const BoolVar& b, bool t) const { e.post(home,t ? frt : neg(frt),b); }
}
#endif
// STATISTICS: minimodel-any