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175 lines
7.7 KiB
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>GLM_GTX_fast_square_root: Fast square root functions</title>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<div class="header">
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">GLM_GTX_fast_square_root: Fast square root functions</div> </div>
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<div class="ingroups"><a class="el" href="a00248.html">GTX Extensions (Experimental)</a></div></div>
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<div class="contents">
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<p>Fast but less accurate implementations of square root based functions.
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<a href="#details">More...</a></p>
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="func-members"></a>
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Functions</h2></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::value_type </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00262.html#ga68162c92de0e592216be943345169da7">fastDistance</a> (genType const &x, genType const &y)</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="a00262.html#ga1858a37f06c79e17f287bbaa8f75b08e">fastInverseSqrt</a> (genType const &x)</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::value_type </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00262.html#gada4490e940c0c4e08beab6db793f8934">fastLength</a> (genType const &x)</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="a00262.html#ga7e785d24d7bbac63f273baf9af1160da">fastNormalize</a> (genType const &x)</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="a00262.html#gaced2a1b7a161290e4d401967607d56db">fastSqrt</a> (genType const &x)</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>Fast but less accurate implementations of square root based functions. </p>
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<p><<a class="el" href="a00041_source.html">glm/gtx/fast_square_root.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="ga68162c92de0e592216be943345169da7"></a><!-- doxytag: member="glm::gtx::fast_square_root::fastDistance" ref="ga68162c92de0e592216be943345169da7" args="(genType const &x, genType const &y)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">genType::value_type glm::gtx::fast_square_root::fastDistance </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em>, </td>
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</tr>
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<td></td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>y</em> </td>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common distance function but less accurate. </p>
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<p>From GLM_GTX_fast_square_root extension. </p>
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</div>
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</div>
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<a class="anchor" id="ga1858a37f06c79e17f287bbaa8f75b08e"></a><!-- doxytag: member="glm::gtx::fast_square_root::fastInverseSqrt" ref="ga1858a37f06c79e17f287bbaa8f75b08e" args="(genType const &x)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">genType glm::gtx::fast_square_root::fastInverseSqrt </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common inversesqrt function but less accurate. </p>
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<p>From GLM_GTX_fast_square_root extension. </p>
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</div>
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</div>
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<a class="anchor" id="gada4490e940c0c4e08beab6db793f8934"></a><!-- doxytag: member="glm::gtx::fast_square_root::fastLength" ref="gada4490e940c0c4e08beab6db793f8934" args="(genType const &x)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">genType::value_type glm::gtx::fast_square_root::fastLength </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common length function but less accurate. </p>
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<p>From GLM_GTX_fast_square_root extension. </p>
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</div>
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</div>
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<a class="anchor" id="ga7e785d24d7bbac63f273baf9af1160da"></a><!-- doxytag: member="glm::gtx::fast_square_root::fastNormalize" ref="ga7e785d24d7bbac63f273baf9af1160da" args="(genType const &x)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname">genType glm::gtx::fast_square_root::fastNormalize </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</tr>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common normalize function but less accurate. </p>
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<p>From GLM_GTX_fast_square_root extension. </p>
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</div>
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</div>
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<a class="anchor" id="gaced2a1b7a161290e4d401967607d56db"></a><!-- doxytag: member="glm::gtx::fast_square_root::fastSqrt" ref="gaced2a1b7a161290e4d401967607d56db" args="(genType const &x)" -->
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<td class="memname">genType glm::gtx::fast_square_root::fastSqrt </td>
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<td>(</td>
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<td class="paramtype">genType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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</table>
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</div>
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<div class="memdoc">
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<p>Faster than the common sqrt function but less accurate. </p>
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<p>From GLM_GTX_fast_square_root extension. </p>
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</div>
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</div>
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</div>
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<hr class="footer"/><address class="footer"><small>Generated by 
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<a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
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