values-ranges.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 Values { 00035 00045 template<class I> 00046 class ToRanges : public Ranges::MinMax { 00047 protected: 00049 I i; 00050 public: 00052 00053 00054 ToRanges(void); 00056 ToRanges(I& i); 00058 void init(I& i); 00060 00062 00063 00064 void operator ++(void); 00066 }; 00067 00068 template<class I> 00069 forceinline 00070 ToRanges<I>::ToRanges(void) {} 00071 00072 template<class I> 00073 forceinline void 00074 ToRanges<I>::operator ++(void) { 00075 if (!i()) { 00076 finish(); return; 00077 } 00078 mi = i.val(); ma = i.val(); 00079 ++i; 00080 while (i() && (ma+1 >= i.val())) { 00081 ma = i.val(); ++i; 00082 } 00083 } 00084 00085 template<class I> 00086 forceinline 00087 ToRanges<I>::ToRanges(I& i0) 00088 : i(i0) { 00089 operator ++(); 00090 } 00091 00092 template<class I> 00093 forceinline void 00094 ToRanges<I>::init(I& i0) { 00095 i = i0; 00096 operator ++(); 00097 } 00098 00099 }}} 00100 00101 // STATISTICS: iter-any 00102