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rtVTK
0.6.0
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00001 00002 /****************************************************************************** 00003 * Copyright (c) 2012, Grove City College 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions are 00008 * met: 00009 * 00010 * * Redistributions of source code must retain the above copyright 00011 * notice, this list of conditions and the following disclaimer. 00012 * 00013 * * Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in 00015 * the documentation and/or other materials provided with the 00016 * distribution. 00017 * 00018 * * Neither the name of Grove City College nor the names of its 00019 * contributors may be used to endorse or promote products derived 00020 * from this software without specific prior written permission. 00021 * 00022 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00023 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00024 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00025 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 00026 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00027 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00028 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00029 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00030 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00031 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00032 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00033 * 00034 */ 00035 00036 00037 #ifndef Core_Constants_h 00038 #define Core_Constants_h 00039 00040 #include <cmath> 00041 00042 00043 #if defined(WIN32) 00044 # if !defined(M_PI) 00045 # define M_PI 3.14159265358979323846 00046 # endif // !defined(M_PI) 00047 # ifdef max 00048 # undef max 00049 # endif // max 00050 # ifdef min 00051 # undef min 00052 # endif // min 00053 #endif 00054 00055 static const float Pi = M_PI; 00056 static const float TwoPi = 2.f*Pi; 00057 static const float FourPi = 4.f*Pi; 00058 static const float EightPi = 8.f*Pi; 00059 static const float PiOverTwo = 0.5f*Pi; 00060 static const float PiOverFour = 0.25f*Pi; 00061 static const float OneOverPi = 1.f/Pi; 00062 static const float OneOverTwoPi = 1.f/TwoPi; 00063 static const float OneOverFourPi = 1.f/FourPi; 00064 static const float OneOverEightPi = 1.f/EightPi; 00065 static const float DegreesToRadians = Pi/180.f; 00066 static const float RadiansToDegrees = 180.f/Pi; 00067 00068 #endif // Core_Constants_h