00001 // Copyright (C) 2009, 2010 EPITA Research and Development Laboratory 00002 // (LRDE) 00003 // 00004 // This file is part of Olena. 00005 // 00006 // Olena is free software: you can redistribute it and/or modify it under 00007 // the terms of the GNU General Public License as published by the Free 00008 // Software Foundation, version 2 of the License. 00009 // 00010 // Olena is distributed in the hope that it will be useful, 00011 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 // General Public License for more details. 00014 // 00015 // You should have received a copy of the GNU General Public License 00016 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00017 // 00018 // As a special exception, you may use this file as part of a free 00019 // software project without restriction. Specifically, if other files 00020 // instantiate templates or use macros or inline functions from this 00021 // file, or you compile this file and link it with other files to produce 00022 // an executable, this file does not by itself cause the resulting 00023 // executable to be covered by the GNU General Public License. This 00024 // exception does not however invalidate any other reasons why the 00025 // executable file might be covered by the GNU General Public License. 00026 00027 #ifndef MLN_MATH_PI_HH 00028 # define MLN_MATH_PI_HH 00029 00030 namespace mln 00031 { 00032 00033 namespace math 00034 { 00035 00036 extern const double pi; 00037 00038 # ifndef MLN_INCLUDE_ONLY 00039 00040 # ifndef MLN_WO_GLOBAL_VARS 00041 00042 const double pi = 3.1415926535897932385; 00043 00044 # endif // ! MLN_WO_GLOBAL_VARS 00045 00046 # endif // ! MLN_INCLUDE_ONLY 00047 00048 } // end of namespace mln::math 00049 00050 } // end of namespace mln 00051 00052 #endif // ! MLN_MATH_PI_HH