ranges-minmax.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, 2004 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 Iter { namespace Ranges { 00035 00047 class MinMax { 00048 protected: 00050 int mi; 00052 int ma; 00054 void finish(void); 00055 public: 00057 00058 00059 MinMax(void); 00061 MinMax(int min, int max); 00063 00065 00066 00067 bool operator ()(void) const; 00069 00071 00072 00073 int min(void) const; 00075 int max(void) const; 00077 unsigned int width(void) const; 00079 }; 00080 00081 forceinline void 00082 MinMax::finish(void) { 00083 mi = 1; ma = 0; 00084 } 00085 00086 forceinline 00087 MinMax::MinMax(void) {} 00088 00089 forceinline 00090 MinMax::MinMax(int min, int max) 00091 : mi(min), ma(max) {} 00092 00093 forceinline bool 00094 MinMax::operator ()(void) const { 00095 return mi <= ma; 00096 } 00097 00098 forceinline int 00099 MinMax::min(void) const { 00100 return mi; 00101 } 00102 forceinline int 00103 MinMax::max(void) const { 00104 return ma; 00105 } 00106 forceinline unsigned int 00107 MinMax::width(void) const { 00108 return static_cast<unsigned int>(ma-mi)+1; 00109 } 00110 00111 }}} 00112 00113 // STATISTICS: iter-any 00114