00001 /* _______ __ 00002 / ___/ / ___ __ _ / / ___ 00003 / /__/ _ \/ _ \/ ' \/ _ \/ _ \ 00004 \___/_//_/\___/_/_/_/_.__/\___/ 00005 */ 00006 // 00007 // This software is copyright (C) by the Lawrence Berkeley 00008 // National Laboratory. Permission is granted to reproduce 00009 // this software for non-commercial purposes provided that 00010 // this notice is left intact. 00011 // 00012 // It is acknowledged that the U.S. Government has rights to 00013 // this software under Contract DE-AC03-765F00098 between 00014 // the U.S. Department of Energy and the University of 00015 // California. 00016 // 00017 // This software is provided as a professional and academic 00018 // contribution for joint exchange. Thus it is experimental, 00019 // is provided ``as is'', with no warranties of any kind 00020 // whatsoever, no support, no promise of updates, or printed 00021 // documentation. By using this software, you acknowledge 00022 // that the Lawrence Berkeley National Laboratory and 00023 // Regents of the University of California shall have no 00024 // liability with respect to the infringement of other 00025 // copyrights by any part of this software. 00026 // 00027 00028 #ifndef _LOHISIDE_H_ 00029 #define _LOHISIDE_H_ 00030 00032 00035 class Side 00036 { 00037 public: 00039 00043 enum LoHiSide {Invalid=-1, Lo=0, Hi, NUMSIDES}; 00044 Side() {}; 00045 ~Side() {}; 00047 00050 friend 00051 Side::LoHiSide 00052 flip(Side::LoHiSide side); 00053 00055 static 00056 Side::LoHiSide 00057 flip(Side::LoHiSide side); 00058 00060 00063 friend 00064 int 00065 sign(Side::LoHiSide side); 00066 00067 00068 }; 00069 00070 00071 00073 00077 class SideIterator 00078 { 00079 public: 00080 00082 00084 00087 SideIterator(); 00088 00090 00093 ~SideIterator() {}; 00094 00096 00098 00106 void begin(); 00107 00109 00117 void reset() 00118 {begin();} 00119 00120 void next(); 00121 00123 00131 void operator++(); 00132 00134 00136 00145 Side::LoHiSide operator() () const; 00146 00148 00158 bool ok() const; 00159 00160 private: 00161 int current; 00162 }; 00163 00164 #endif