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 00048 Side() {}; 00049 00053 ~Side() {}; 00055 00058 friend 00059 Side::LoHiSide 00060 flip(Side::LoHiSide side); 00061 00063 static 00064 Side::LoHiSide 00065 flip(Side::LoHiSide side); 00066 00068 00071 friend 00072 int 00073 sign(Side::LoHiSide side); 00074 }; 00075 00076 00077 00079 00083 class SideIterator 00084 { 00085 public: 00086 00088 00091 SideIterator(); 00092 00094 00097 ~SideIterator() {}; 00098 00103 00105 00108 void begin(); 00109 00111 00114 void reset() 00115 {begin();} 00116 00118 00121 void next(); 00122 00124 00127 void operator++(); 00128 00135 00137 00140 Side::LoHiSide operator() () const; 00141 00143 00146 bool ok() const; 00147 00148 private: 00149 int current; 00150 }; 00151 00152 #endif