nux-1.16.0
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00001 /* 00002 * Copyright 2010 Inalogic® Inc. 00003 * 00004 * This program is free software: you can redistribute it and/or modify it 00005 * under the terms of the GNU Lesser General Public License, as 00006 * published by the Free Software Foundation; either version 2.1 or 3.0 00007 * of the License. 00008 * 00009 * This program is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranties of 00011 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 00012 * PURPOSE. See the applicable version of the GNU Lesser General Public 00013 * License for more details. 00014 * 00015 * You should have received a copy of both the GNU Lesser General Public 00016 * License along with this program. If not, see <http://www.gnu.org/licenses/> 00017 * 00018 * Authored by: Jay Taoko <jaytaoko@inalogic.com> 00019 * 00020 */ 00021 00022 00023 #include "../NuxCore.h" 00024 #include "Constants.h" 00025 00026 namespace nux 00027 { 00028 const float Const::pi = 3.1415926535f; 00029 const float Const::Pi = 3.1415926535f; 00030 const float Const::e = 2.7182817f; 00031 const float Const::sqrt2 = 1.414214f; 00032 const float Const::sqrt3 = 1.732051f; 00033 const float Const::golden = 1.618034f; 00034 00035 const double Const::EpsilonMilli = 0.001; 00036 const double Const::EpsilonMicro = 0.000001; 00037 const double Const::EpsilonNano = 0.000000001; 00038 const double Const::EpsilonPico = 0.000000000001; 00039 const double Const::EpsilonFemto = 0.000000000000001; 00040 00041 #if defined(NUX_OS_WINDOWS) 00042 const float Const::flt_epsilon = FLT_EPSILON; 00043 const float Const::dbl_epsilon = DBL_EPSILON; 00044 #elif defined(NUX_OS_LINUX) 00045 const float Const::flt_epsilon = __FLT_EPSILON__; 00046 const float Const::dbl_epsilon = __DBL_EPSILON__; 00047 #elif defined(NUX_OS_MACOSX) 00048 const float Const::dbl_epsilon = _FLT_EPSILON_; 00049 const float Const::dbl_epsilon = _DBL_EPSILON_; 00050 #else 00051 #error Undefined OS. 00052 #endif 00053 00054 }