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< title > GLM_GTX_bit: Extended bitwise operations< / title >
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< div class = "title" > GLM_GTX_bit: Extended bitwise operations< / div > < / div >
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< div class = "ingroups" > < a class = "el" href = "a00152.html" > GTX Extensions (Experimental)< / a > < / div > < / div >
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< 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#ga7aadf1d73b4236e9cf9b2f23c13af604" > 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#gad9bc7e42a75381c3f6b68b8ba20863d3" > 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#gae2ceed046e662a889cd938de3191dd55" > 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#ga929b849daa656caecf8bd0febcd71f7a" > extractField< / a > (genIUType const & v, sizeType const & first, sizeType const & count)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIUType > < / 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#gaf937428f9e6e9bb2e9214ff3be96cf95" > fillBitfieldWithOne< / a > (genIUType const & Value, int const & FromBit, int const & ToBit)< / td > < / tr >
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< tr > < td class = "memTemplParams" colspan = "2" > template< typename genIUType > < / 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#gabb9c7b3bd390a61437667e5625834a7c" > 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#gaa3679c623c2ff5dfb745f9ce4316b23c" > 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#ga485d3ead7f6c624b00cc800c68ab8e08" > 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#ga3c0b3e843fa21220f08e801bb558470a" > 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#ga94e553e5aabf9b202b5915719966d323" > 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#ga0d044f92de0108409d25ebcfea034dcb" > 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#ga335322b4fcb2e5444ec467a1e7a40301" > 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#ga4c3ea31127e64ec283fb6cf715b4d9ac" > 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#ga00cb2e4b82215e4d531ec046c19e2ce7" > powerOfTwoNearest< / a > (genType const & value)< / td > < / tr >
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< / table >
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< hr / > < a name = "details" id = "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 = "ga7aadf1d73b4236e9cf9b2f23c13af604" > < / a > <!-- doxytag: member="glm::bitRevert" ref="ga7aadf1d73b4236e9cf9b2f23c13af604" 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "gad9bc7e42a75381c3f6b68b8ba20863d3" > < / a > <!-- doxytag: member="glm::bitRotateLeft" ref="gad9bc7e42a75381c3f6b68b8ba20863d3" 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "gae2ceed046e662a889cd938de3191dd55" > < / a > <!-- doxytag: member="glm::bitRotateRight" ref="gae2ceed046e662a889cd938de3191dd55" 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "ga929b849daa656caecf8bd0febcd71f7a" > < / a > <!-- doxytag: member="glm::extractField" ref="ga929b849daa656caecf8bd0febcd71f7a" 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 >
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< p > genType and genIType could be a scalar or a vector. < / p >
< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "gaf937428f9e6e9bb2e9214ff3be96cf95" > < / a > <!-- doxytag: member="glm::fillBitfieldWithOne" ref="gaf937428f9e6e9bb2e9214ff3be96cf95" 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "gabb9c7b3bd390a61437667e5625834a7c" > < / a > <!-- doxytag: member="glm::fillBitfieldWithZero" ref="gabb9c7b3bd390a61437667e5625834a7c" args="(genIUType const &Value, int const &FromBit, int const &ToBit)" -->
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< 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "gaa3679c623c2ff5dfb745f9ce4316b23c" > < / a > <!-- doxytag: member="glm::highestBit" ref="gaa3679c623c2ff5dfb745f9ce4316b23c" args="(genType const &value)" -->
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< 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "ga485d3ead7f6c624b00cc800c68ab8e08" > < / a > <!-- doxytag: member="glm::highestBitValue" ref="ga485d3ead7f6c624b00cc800c68ab8e08" 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 >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< a class = "anchor" id = "ga3c0b3e843fa21220f08e801bb558470a" > < / a > <!-- doxytag: member="glm::isPowerOfTwo" ref="ga3c0b3e843fa21220f08e801bb558470a" args="(genType const &value)" -->
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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 >
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< p > Return true if the value is a power of two number. < / p >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< a class = "anchor" id = "ga94e553e5aabf9b202b5915719966d323" > < / a > <!-- doxytag: member="glm::lowestBit" ref="ga94e553e5aabf9b202b5915719966d323" args="(genType const &value)" -->
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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 >
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< div class = "memdoc" >
< p > Find the lowest bit set to 1 in a integer variable. < / p >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
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< a class = "anchor" id = "ga0d044f92de0108409d25ebcfea034dcb" > < / a > <!-- doxytag: member="glm::mask" ref="ga0d044f92de0108409d25ebcfea034dcb" args="(genIType const &count)" -->
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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 >
< / tr >
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< p > Build a mask of 'count' bits. < / p >
< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
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< a class = "anchor" id = "ga335322b4fcb2e5444ec467a1e7a40301" > < / a > <!-- doxytag: member="glm::powerOfTwoAbove" ref="ga335322b4fcb2e5444ec467a1e7a40301" args="(genType const &value)" -->
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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 >
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< p > Return the power of two number which value is just higher the input value. < / p >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "ga4c3ea31127e64ec283fb6cf715b4d9ac" > < / a > <!-- doxytag: member="glm::powerOfTwoBelow" ref="ga4c3ea31127e64ec283fb6cf715b4d9ac" args="(genType const &value)" -->
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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 >
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< div class = "memdoc" >
< p > Return the power of two number which value is just lower the input value. < / p >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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< / div >
< / div >
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< a class = "anchor" id = "ga00cb2e4b82215e4d531ec046c19e2ce7" > < / a > <!-- doxytag: member="glm::powerOfTwoNearest" ref="ga00cb2e4b82215e4d531ec046c19e2ce7" args="(genType const &value)" -->
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< div class = "memitem" >
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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 >
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< div class = "memdoc" >
< p > Return the power of two number which value is the closet to the input value. < / p >
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< dl class = "see" > < dt > < b > See also:< / b > < / dt > < dd > < a class = "el" href = "a00170.html" title = "Allow to perform bit operations on integer values." > GLM_GTX_bit: Extended bitwise operations< / a > < / dd > < / dl >
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