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ShMath.hpp

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00001 // Sh: A GPU metaprogramming language.
00002 //
00003 // Copyright (c) 2003 University of Waterloo Computer Graphics Laboratory
00004 // Project administrator: Michael D. McCool
00005 // Authors: Zheng Qin, Stefanus Du Toit, Kevin Moule, Tiberiu S. Popa,
00006 //          Michael D. McCool
00007 // 
00008 // This software is provided 'as-is', without any express or implied
00009 // warranty. In no event will the authors be held liable for any damages
00010 // arising from the use of this software.
00011 // 
00012 // Permission is granted to anyone to use this software for any purpose,
00013 // including commercial applications, and to alter it and redistribute it
00014 // freely, subject to the following restrictions:
00015 // 
00016 // 1. The origin of this software must not be misrepresented; you must
00017 // not claim that you wrote the original software. If you use this
00018 // software in a product, an acknowledgment in the product documentation
00019 // would be appreciated but is not required.
00020 // 
00021 // 2. Altered source versions must be plainly marked as such, and must
00022 // not be misrepresented as being the original software.
00023 // 
00024 // 3. This notice may not be removed or altered from any source
00025 // distribution.
00027 #ifndef SHMATH_HPP
00028 #define SHMATH_HPP
00029 
00034 #include <cmath>
00035 
00036 namespace {
00037 #ifdef WIN32
00038 inline float log2f(float a) { return logf(a) / logf(2.0f); }
00039 inline float exp2f(float a) { return powf(2.0f, a); }
00040 inline float exp10f(float a) { return powf(10.0f, a); }
00041 #endif
00042 #ifdef __APPLE__
00043 inline float exp10f(float a) { return powf(10.0f, a); }
00044 #endif
00045 }
00046 
00047 #endif

Generated on Mon Jan 24 18:36:33 2005 for Sh by  doxygen 1.4.1