00001 // Sh: A GPU metaprogramming language. 00002 // 00003 // Copyright 2003-2005 Serious Hack Inc. 00004 // 00005 // This software is provided 'as-is', without any express or implied 00006 // warranty. In no event will the authors be held liable for any damages 00007 // arising from the use of this software. 00008 // 00009 // Permission is granted to anyone to use this software for any purpose, 00010 // including commercial applications, and to alter it and redistribute it 00011 // freely, subject to the following restrictions: 00012 // 00013 // 1. The origin of this software must not be misrepresented; you must 00014 // not claim that you wrote the original software. If you use this 00015 // software in a product, an acknowledgment in the product documentation 00016 // would be appreciated but is not required. 00017 // 00018 // 2. Altered source versions must be plainly marked as such, and must 00019 // not be misrepresented as being the original software. 00020 // 00021 // 3. This notice may not be removed or altered from any source 00022 // distribution. 00024 #ifndef SHMATH_HPP 00025 #define SHMATH_HPP 00026 00031 #include <cmath> 00032 00033 namespace { 00034 #ifdef WIN32 00035 inline float log2f(float a) { return logf(a) / logf(2.0f); } 00036 inline float exp2f(float a) { return powf(2.0f, a); } 00037 inline float exp10f(float a) { return powf(10.0f, a); } 00038 #endif 00039 #ifdef __APPLE__ 00040 inline float exp10f(float a) { return powf(10.0f, a); } 00041 #endif 00042 } 00043 00044 #endif
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