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bit.hpp
00001 00002 // OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net) 00004 // Created : 2007-03-14 00005 // Updated : 2008-11-14 00006 // Licence : This source is under MIT License 00007 // File : glm/gtx/bit.hpp 00009 // Dependency: 00010 // - GLM core 00011 // - GLM_GTC_half_float 00013 00014 #ifndef glm_gtx_bit 00015 #define glm_gtx_bit 00016 00017 // Dependency: 00018 #include "../glm.hpp" 00019 #include "../gtc/half_float.hpp" 00020 00021 #if(defined(GLM_MESSAGES) && !defined(glm_ext)) 00022 # pragma message("GLM: GLM_GTX_bit extension included") 00023 #endif 00024 00025 namespace glm{ 00026 namespace gtx{ 00027 namespace bit 00028 { 00029 using namespace gtc::half_float; 00030 00033 00036 template <typename genIType> 00037 genIType mask(genIType const & count); 00038 00042 template <typename genIUType, typename sizeType> 00043 genIUType extractField( 00044 genIUType const & v, 00045 sizeType const & first, 00046 sizeType const & count); 00047 00050 template <typename genType> 00051 int lowestBit(genType const & value); 00052 00055 template <typename genType> 00056 int highestBit(genType const & value); 00057 00060 template <typename genType> 00061 genType highestBitValue(genType const & value); 00062 00065 template <typename genType> 00066 bool isPowerOfTwo(genType const & value); 00067 00070 template <typename genType> 00071 genType powerOfTwoAbove(genType const & value); 00072 00075 template <typename genType> 00076 genType powerOfTwoBelow(genType const & value); 00077 00080 template <typename genType> 00081 genType powerOfTwoNearest(genType const & value); 00082 00085 template <typename genType> 00086 genType bitRevert(genType const & value); 00087 00090 template <typename genType> 00091 genType bitRotateRight(genType const & In, std::size_t Shift); 00092 00095 template <typename genType> 00096 genType bitRotateLeft(genType const & In, std::size_t Shift); 00097 00099 }//namespace bit 00100 }//namespace gtx 00101 }//namespace glm 00102 00103 #include "bit.inl" 00104 00105 namespace glm{using namespace gtx::bit;} 00106 00107 #endif//glm_gtx_bit
