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< title > GLM_GTX_bit: Extended bitwise operations< / title >
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< h1 > GLM_GTX_bit: Extended bitwise operations< / h1 > < / div >
< div class = "ingroups" > < a class = "el" href = "a00152.html" > GTX Extensions (Experimental)< / a > < / div > < / div >
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< div class = "contents" >
< p > Allow to perform bit operations on integer values.
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< a href = "#_details" > More...< / a > < / p >
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< table class = "memberdecls" >
< tr > < td colspan = "2" > < h2 > < a name = "func-members" > < / a >
Functions< / h2 > < / td > < / tr >
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga1c1f542c65b528ece3ef686fb5d81ba1" > bitRevert< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga05eb060b6dd7c97fafd161b00e9b38f1" > bitRotateLeft< / a > (genType const & In, std::size_t Shift)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga9bdf75ccffa293713db6f4d711129077" > bitRotateRight< / a > (genType const & In, std::size_t Shift)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIUType , typename sizeType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genIUType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga2ced7c6243ed5d1e28063ba90d9de008" > extractField< / a > (genIUType const & v, sizeType const & first, sizeType const & count)< / td > < / tr >
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIUType > < / td > < / tr >
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genIUType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#gae42f1f6dd35271781f2c1029dd1c0a09" > fillBitfieldWithOne< / a > (genIUType const & Value, int const & FromBit, int const & ToBit)< / td > < / tr >
< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIUType > < / td > < / tr >
< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genIUType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga4ba23fa82e64b0840b4b0b910217f730" > fillBitfieldWithZero< / a > (genIUType const & Value, int const & FromBit, int const & ToBit)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#gaf6631fa5cb5cac607706ec020e2cc718" > highestBit< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga63ffd8b9d5a1e3fe3213059196c8369b" > highestBitValue< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > bool  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga46b94af83e87d1e7e9de92ef2465fe4e" > isPowerOfTwo< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > int  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga93c2f76f0b437371de1dcb0923a4918d" > lowestBit< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genIType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#ga02e7aad9f8900fe483177b84d03037a1" > mask< / a > (genIType const & count)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#gad618ae43f546aadc27c80c138c155772" > powerOfTwoAbove< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#gae5e33169af7437396eef62776fdccc7a" > powerOfTwoBelow< / a > (genType const & value)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genType > < / td > < / tr >
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< tr > < td class = "memTemplItemLeft" align = "right" valign = "top" > genType  < / td > < td class = "memTemplItemRight" valign = "bottom" > < a class = "el" href = "a00170.html#gad0944ea5228ef8b5c1e449e5a5f876d1" > powerOfTwoNearest< / a > (genType const & value)< / td > < / tr >
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< / table >
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< hr / > < a name = "_details" > < / a > < h2 > Detailed Description< / h2 >
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< p > Allow to perform bit operations on integer values. < / p >
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< p > < < a class = "el" href = "a00025.html" title = "OpenGL Mathematics (glm.g-truc.net)" > glm/gtx/bit.hpp< / a > > need to be included to use these functionalities. < / p >
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< hr / > < h2 > Function Documentation< / h2 >
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< a class = "anchor" id = "ga1c1f542c65b528ece3ef686fb5d81ba1" > < / a > <!-- doxytag: member="glm::bitRevert" ref="ga1c1f542c65b528ece3ef686fb5d81ba1" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::bitRevert < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Revert all bits of any integer based type. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga05eb060b6dd7c97fafd161b00e9b38f1" > < / a > <!-- doxytag: member="glm::bitRotateLeft" ref="ga05eb060b6dd7c97fafd161b00e9b38f1" args="(genType const &In, std::size_t Shift)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::bitRotateLeft < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > In< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > std::size_t  < / td >
< td class = "paramname" > < em > Shift< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Rotate all bits to the left. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga9bdf75ccffa293713db6f4d711129077" > < / a > <!-- doxytag: member="glm::bitRotateRight" ref="ga9bdf75ccffa293713db6f4d711129077" args="(genType const &In, std::size_t Shift)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::bitRotateRight < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > In< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > std::size_t  < / td >
< td class = "paramname" > < em > Shift< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Rotate all bits to the right. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga2ced7c6243ed5d1e28063ba90d9de008" > < / a > <!-- doxytag: member="glm::extractField" ref="ga2ced7c6243ed5d1e28063ba90d9de008" args="(genIUType const &v, sizeType const &first, sizeType const &count)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genIUType glm::extractField < / td >
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< td > (< / td >
< td class = "paramtype" > genIUType const &   < / td >
< td class = "paramname" > < em > v< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > sizeType const &   < / td >
< td class = "paramname" > < em > first< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > sizeType const &   < / td >
< td class = "paramname" > < em > count< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Component wise extraction of bit fields. < / p >
< p > genType and genIType could be a scalar or a vector. From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "gae42f1f6dd35271781f2c1029dd1c0a09" > < / a > <!-- doxytag: member="glm::fillBitfieldWithOne" ref="gae42f1f6dd35271781f2c1029dd1c0a09" args="(genIUType const &Value, int const &FromBit, int const &ToBit)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genIUType glm::fillBitfieldWithOne < / td >
< td > (< / td >
< td class = "paramtype" > genIUType const &   < / td >
< td class = "paramname" > < em > Value< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int const &   < / td >
< td class = "paramname" > < em > FromBit< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int const &   < / td >
< td class = "paramname" > < em > ToBit< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Set to 1 a range of bits. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
< a class = "anchor" id = "ga4ba23fa82e64b0840b4b0b910217f730" > < / a > <!-- doxytag: member="glm::fillBitfieldWithZero" ref="ga4ba23fa82e64b0840b4b0b910217f730" args="(genIUType const &Value, int const &FromBit, int const &ToBit)" -->
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > genIUType glm::fillBitfieldWithZero < / td >
< td > (< / td >
< td class = "paramtype" > genIUType const &   < / td >
< td class = "paramname" > < em > Value< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int const &   < / td >
< td class = "paramname" > < em > FromBit< / em > , < / td >
< / tr >
< tr >
< td class = "paramkey" > < / td >
< td > < / td >
< td class = "paramtype" > int const &   < / td >
< td class = "paramname" > < em > ToBit< / em >   < / td >
< / tr >
< tr >
< td > < / td >
< td > )< / td >
< td > < / td > < td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Set to 0 a range of bits. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
< a class = "anchor" id = "gaf6631fa5cb5cac607706ec020e2cc718" > < / a > <!-- doxytag: member="glm::highestBit" ref="gaf6631fa5cb5cac607706ec020e2cc718" args="(genType const &value)" -->
< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
< td class = "memname" > int glm::highestBit < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Find the highest bit set to 1 in a integer variable. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga63ffd8b9d5a1e3fe3213059196c8369b" > < / a > <!-- doxytag: member="glm::highestBitValue" ref="ga63ffd8b9d5a1e3fe3213059196c8369b" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::highestBitValue < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Find the highest bit set to 1 in a integer variable and return its value. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga46b94af83e87d1e7e9de92ef2465fe4e" > < / a > <!-- doxytag: member="glm::isPowerOfTwo" ref="ga46b94af83e87d1e7e9de92ef2465fe4e" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > bool glm::isPowerOfTwo < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Return true if the value is a power of two number. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga93c2f76f0b437371de1dcb0923a4918d" > < / a > <!-- doxytag: member="glm::lowestBit" ref="ga93c2f76f0b437371de1dcb0923a4918d" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > int glm::lowestBit < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Find the lowest bit set to 1 in a integer variable. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "ga02e7aad9f8900fe483177b84d03037a1" > < / a > <!-- doxytag: member="glm::mask" ref="ga02e7aad9f8900fe483177b84d03037a1" args="(genIType const &count)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genIType glm::mask < / td >
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< td > (< / td >
< td class = "paramtype" > genIType const &   < / td >
< td class = "paramname" > < em > count< / em > < / td > < td > )< / td >
< td > < / td >
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< div class = "memdoc" >
< p > Build a mask of 'count' bits From GLM_GTX_bit extension. < / p >
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< a class = "anchor" id = "gad618ae43f546aadc27c80c138c155772" > < / a > <!-- doxytag: member="glm::powerOfTwoAbove" ref="gad618ae43f546aadc27c80c138c155772" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::powerOfTwoAbove < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Return the power of two number which value is just higher the input value. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "gae5e33169af7437396eef62776fdccc7a" > < / a > <!-- doxytag: member="glm::powerOfTwoBelow" ref="gae5e33169af7437396eef62776fdccc7a" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::powerOfTwoBelow < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Return the power of two number which value is just lower the input value. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
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< a class = "anchor" id = "gad0944ea5228ef8b5c1e449e5a5f876d1" > < / a > <!-- doxytag: member="glm::powerOfTwoNearest" ref="gad0944ea5228ef8b5c1e449e5a5f876d1" args="(genType const &value)" -->
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< div class = "memitem" >
< div class = "memproto" >
< table class = "memname" >
< tr >
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< td class = "memname" > genType glm::powerOfTwoNearest < / td >
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< td > (< / td >
< td class = "paramtype" > genType const &   < / td >
< td class = "paramname" > < em > value< / em > < / td > < td > )< / td >
< td > < / td >
< / tr >
< / table >
< / div >
< div class = "memdoc" >
< p > Return the power of two number which value is the closet to the input value. < / p >
< p > From GLM_GTX_bit extension. < / p >
< / div >
< / div >
< / div >
< hr class = "footer" / > < address class = "footer" > < small > Generated by 
< a href = "http://www.doxygen.org/index.html" >
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< img class = "footer" src = "doxygen.png" alt = "doxygen" / > < / a > 1.7.3 < / small > < / address >
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< / body >
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