ranges-offset.icc
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 * Last modified: 00010 * $Date: 2007-09-11 15:58:22 +0200 (Tue, 11 Sep 2007) $ by $Author: schulte $ 00011 * $Revision: 4973 $ 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 { namespace Iter { namespace Ranges { 00039 00045 template <class I> 00046 class Offset { 00047 protected: 00049 I i; 00051 int c; 00052 public: 00054 00055 00056 Offset(void); 00058 Offset(I& i, int c); 00060 void init(I& i, int c); 00062 00064 00065 00066 bool operator()(void) const; 00068 void operator++(void); 00070 00072 00073 00074 int min(void) const; 00076 int max(void) const; 00078 unsigned int width(void) const; 00080 }; 00081 00082 00083 template <class I> 00084 forceinline 00085 Offset<I>::Offset(void) {} 00086 00087 template <class I> 00088 inline void 00089 Offset<I>::init(I& i0, int c0) { 00090 i = i0; c = c0; 00091 } 00092 00093 template <class I> 00094 inline 00095 Offset<I>::Offset(I& i0, int c0) : i(i0), c(c0) {} 00096 00097 template <class I> 00098 forceinline void 00099 Offset<I>::operator++(void) { 00100 ++i; 00101 } 00102 template <class I> 00103 forceinline bool 00104 Offset<I>::operator()(void) const { 00105 return i(); 00106 } 00107 00108 template <class I> 00109 forceinline int 00110 Offset<I>::min(void) const { 00111 return i.min()+c; 00112 } 00113 template <class I> 00114 forceinline int 00115 Offset<I>::max(void) const { 00116 return i.max()+c; 00117 } 00118 template <class I> 00119 forceinline unsigned int 00120 Offset<I>::width(void) const { 00121 return i.width(); 00122 } 00123 00124 }}} 00125 00126 // STATISTICS: iter-any 00127