Jip J. Dekker
2572df0663
git-subtree-dir: software/gecode_base git-subtree-split: bbefcea214fec798a0f5acc442581984555acd21
88 lines
2.7 KiB
C++
88 lines
2.7 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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* Vincent Barichard <Vincent.Barichard@univ-angers.fr>
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*
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* Copyright:
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* Christian Schulte, 2003
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* Vincent Barichard, 2012
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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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namespace Gecode { namespace Float {
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template<class View>
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forceinline RelTest
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rtest_eq(View x, View y) {
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if ((x.min() > y.max()) || (x.max() < y.min())) return RT_FALSE;
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return (x.assigned() && y.assigned()) ? RT_TRUE : RT_MAYBE;
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}
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template<class View>
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forceinline RelTest
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rtest_eq(View x, FloatVal n) {
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if ((x.min() > n.max()) || (x.max() < n.min())) return RT_FALSE;
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return x.assigned() ? RT_TRUE : RT_MAYBE;
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}
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template<class View>
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forceinline RelTest
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rtest_lq(View x, View y) {
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if (x.max() <= y.min()) return RT_TRUE;
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if (x.min() > y.max()) return RT_FALSE;
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return RT_MAYBE;
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}
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template<class View>
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forceinline RelTest
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rtest_lq(View x, FloatVal n) {
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if (x.max() <= n.min()) return RT_TRUE;
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if (x.min() > n.max()) return RT_FALSE;
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return RT_MAYBE;
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}
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template<class View>
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forceinline RelTest
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rtest_le(View x, View y) {
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if (x.max() < y.min()) return RT_TRUE;
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if (x.min() >= y.max()) return RT_FALSE;
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return RT_MAYBE;
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}
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template<class View>
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forceinline RelTest
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rtest_le(View x, FloatVal n) {
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if (x.max() < n.min()) return RT_TRUE;
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if (x.min() >= n.max()) return RT_FALSE;
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return RT_MAYBE;
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}
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}}
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// STATISTICS: float-var
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