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bool-test.hpp

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00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2008
00008  *
00009  *  This file is part of Gecode, the generic constraint
00010  *  development environment:
00011  *     http://www.gecode.org
00012  *
00013  *  Permission is hereby granted, free of charge, to any person obtaining
00014  *  a copy of this software and associated documentation files (the
00015  *  "Software"), to deal in the Software without restriction, including
00016  *  without limitation the rights to use, copy, modify, merge, publish,
00017  *  distribute, sublicense, and/or sell copies of the Software, and to
00018  *  permit persons to whom the Software is furnished to do so, subject to
00019  *  the following conditions:
00020  *
00021  *  The above copyright notice and this permission notice shall be
00022  *  included in all copies or substantial portions of the Software.
00023  *
00024  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00025  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00026  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00027  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00028  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00029  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00030  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00031  *
00032  */
00033 
00034 namespace Gecode { namespace Int {
00035 
00036   /*
00037    * Test sharing between Boolean and negated Boolean views
00038    *
00039    */
00040   forceinline BoolTest
00041   bool_test(const BoolView& b0, const BoolView& b1) {
00042     return (b0 == b1) ? BT_SAME : BT_NONE;
00043   }
00044   forceinline BoolTest
00045   bool_test(const BoolView& b0, const NegBoolView& b1) {
00046     return (b0 == b1.base()) ? BT_COMP : BT_NONE;
00047   }
00048   forceinline BoolTest
00049   bool_test(const NegBoolView& b0, const BoolView& b1) {
00050     return (b0.base() == b1) ? BT_COMP : BT_NONE;
00051   }
00052   forceinline BoolTest
00053   bool_test(const NegBoolView& b0, const NegBoolView& b1) {
00054     return (b0 == b1) ? BT_SAME : BT_NONE;
00055   }
00056 
00057 }}
00058 
00059 // STATISTICS: int-var
00060