bool-delta.hpp
Go to the documentation of this file.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, 2016 00008 * 00009 * Last modified: 00010 * $Date: 2017-03-17 23:04:57 +0100 (Fri, 17 Mar 2017) $ by $Author: schulte $ 00011 * $Revision: 15597 $ 00012 * 00013 * This file is part of Gecode, the generic constraint 00014 * development environment: 00015 * http://www.gecode.org 00016 * 00017 * Permission is hereby granted, free of charge, to any person obtaining 00018 * a copy of this software and associated documentation files (the 00019 * "Software"), to deal in the Software without restriction, including 00020 * without limitation the rights to use, copy, modify, merge, publish, 00021 * distribute, sublicense, and/or sell copies of the Software, and to 00022 * permit persons to whom the Software is furnished to do so, subject to 00023 * the following conditions: 00024 * 00025 * The above copyright notice and this permission notice shall be 00026 * included in all copies or substantial portions of the Software. 00027 * 00028 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 00029 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 00030 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00031 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 00032 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 00033 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 00034 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00035 * 00036 */ 00037 00038 namespace Gecode { 00039 00040 forceinline 00041 BoolTraceDelta::BoolTraceDelta(Int::BoolTraceView, Int::BoolView n, 00042 const Delta&) 00043 : delta(1-n.val()) {} 00044 forceinline bool 00045 BoolTraceDelta::operator ()(void) const { 00046 return delta >= 0; 00047 } 00048 forceinline void 00049 BoolTraceDelta::operator ++(void) { 00050 delta = -1; 00051 } 00052 forceinline int 00053 BoolTraceDelta::min(void) const { 00054 return delta; 00055 } 00056 forceinline int 00057 BoolTraceDelta::max(void) const { 00058 return delta; 00059 } 00060 forceinline unsigned int 00061 BoolTraceDelta::width(void) const { 00062 return 1U; 00063 } 00064 00065 } 00066 00067 // STATISTICS: int-trace