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Math.cpp

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00001 //------------------------------------------------------------------------------
00002 // Lamp : Open source game middleware
00003 // Copyright (C) 2004  Junpei Ohtani ( Email : junpee@users.sourceforge.jp )
00004 //
00005 // This library is free software; you can redistribute it and/or
00006 // modify it under the terms of the GNU Lesser General Public
00007 // License as published by the Free Software Foundation; either
00008 // version 2.1 of the License, or (at your option) any later version.
00009 //
00010 // This library 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 // Lesser General Public License for more details.
00014 //
00015 // You should have received a copy of the GNU Lesser General Public
00016 // License along with this library; if not, write to the Free Software
00017 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00018 //------------------------------------------------------------------------------
00019 
00020 /** @file
00021  * 数学実装
00022  * @author Junpee
00023  */
00024 
00025 #include "LampBasic.h"
00026 #include "Core/System/Math.h"
00027 
00028 namespace Lamp{
00029 
00030 //------------------------------------------------------------------------------
00031 // 定数
00032 //------------------------------------------------------------------------------
00033 // パイ
00034 const float Math::PI = (float)3.14159265358979323846;
00035 
00036 // パイ * 4
00037 const float Math::quadruplePI = (float)(3.14159265358979323846 * 4.);
00038 
00039 // パイ * 2
00040 const float Math::doublePI = (float)(3.14159265358979323846 * 2.);
00041 
00042 // パイ / 2
00043 const float Math::halfPI = (float)(3.14159265358979323846 / 2.);
00044 
00045 // パイ / 4
00046 const float Math::quadrantPI = (float)(3.14159265358979323846 / 4.);
00047 
00048 // 自然対数の底
00049 const float Math::E = 2.71828182845904523536f;
00050 
00051 // イプシロン
00052 const float Math::epsilon = 1e-06f;
00053 
00054 //------------------------------------------------------------------------------
00055 } // End of namespace Lamp
00056 //------------------------------------------------------------------------------

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