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345 lines
12 KiB
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<title>GLM_GTX_integer: Extended integer functions</title>
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<div class="header">
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<div class="summary">
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<a href="#typedef-members">Typedefs</a> |
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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_integer: Extended integer functions</div> </div>
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<div class="ingroups"><a class="el" href="a00137.html">GTX Extensions (Experimental)</a></div></div>
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<div class="contents">
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<table class="memberdecls">
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<tr><td colspan="2"><h2><a name="typedef-members"></a>
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Typedefs</h2></td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">typedef signed int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#gada7e83fdfe943aba4f1d5bf80cb66f40">sint</a></td></tr>
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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 </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00174.html#ga6912d62d2f314fa38ef4c94fda778294">factorial</a> (genType const &x)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#ga054b9fd24e0d18af9ae7e9b6bfb5a2c9">floor_log2</a> (unsigned int x)</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="a00174.html#gae6836e4b1445f55ab30f32e3da36c284">log2</a> (genIUType const &x)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#ga01082d953f4864e9accbcb84987a1066">mod</a> (int x, int y)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#ga5f05facb4b70489113d284edd53babcb">mod</a> (uint x, uint y)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#gade78ad3e82d61001f4641571db4dd56e">nlz</a> (uint x)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#ga0073d991d1c9c9a37b458eb512535fc8">pow</a> (int x, int y)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#gaaff5d34714236dbeddd49e4ecb045abc">pow</a> (uint x, uint y)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#ga6aad88cb883810890ac2b68000c544c1">sqrt</a> (int x)</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">uint </td><td class="memItemRight" valign="bottom"><a class="el" href="a00174.html#gafb4f8acb2b577775e2ef1a86e7312340">sqrt</a> (uint 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>Add support for integer for core functions. </p>
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<p><<a class="el" href="a00042.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/integer.hpp</a>> need to be included to use these functionalities. </p>
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<hr/><h2>Typedef Documentation</h2>
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<a class="anchor" id="gada7e83fdfe943aba4f1d5bf80cb66f40"></a><!-- doxytag: member="glm::sint" ref="gada7e83fdfe943aba4f1d5bf80cb66f40" args="" -->
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<td class="memname">typedef signed int sint</td>
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<div class="memdoc">
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<p>32bit signed integer. </p>
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<p>From GLM_GTX_integer extension. </p>
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<p>Definition at line <a class="el" href="a00042_source.html#l00081">81</a> of file <a class="el" href="a00042_source.html">integer.hpp</a>.</p>
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<hr/><h2>Function Documentation</h2>
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<a class="anchor" id="ga6912d62d2f314fa38ef4c94fda778294"></a><!-- doxytag: member="glm::factorial" ref="ga6912d62d2f314fa38ef4c94fda778294" args="(genType const &x)" -->
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<td class="memname">genType glm::factorial </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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</div>
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<div class="memdoc">
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<p>Return the factorial value of a number (!12 max, integer only) From GLM_GTX_integer extension. </p>
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</div>
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</div>
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<a class="anchor" id="ga054b9fd24e0d18af9ae7e9b6bfb5a2c9"></a><!-- doxytag: member="glm::floor_log2" ref="ga054b9fd24e0d18af9ae7e9b6bfb5a2c9" args="(unsigned int x)" -->
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<td class="memname">unsigned int glm::floor_log2 </td>
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<td>(</td>
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<td class="paramtype">unsigned int </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<td></td>
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<div class="memdoc">
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<p>Returns the floor log2 of x. </p>
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<p>From GLM_GTX_integer extension. </p>
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<a class="anchor" id="gae6836e4b1445f55ab30f32e3da36c284"></a><!-- doxytag: member="glm::log2" ref="gae6836e4b1445f55ab30f32e3da36c284" args="(genIUType const &x)" -->
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<td class="memname">genIUType glm::log2 </td>
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<td>(</td>
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<td class="paramtype">genIUType const & </td>
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<td class="paramname"><em>x</em></td><td>)</td>
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<p>Returns the log2 of x. </p>
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<p>Can be reliably using to compute mipmap count from the texture size. From GLM_GTX_integer extension. </p>
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<a class="anchor" id="ga01082d953f4864e9accbcb84987a1066"></a><!-- doxytag: member="glm::mod" ref="ga01082d953f4864e9accbcb84987a1066" args="(int x, int y)" -->
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<td class="memname">int glm::mod </td>
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<td>(</td>
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<td class="paramtype">int </td>
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<td class="paramname"><em>x</em>, </td>
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<td class="paramtype">int </td>
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<p>Modulus. </p>
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<p>Returns x - y * floor(x / y) for each component in x using the floating point value y. From GLM_GTX_integer extension. </p>
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<a class="anchor" id="ga5f05facb4b70489113d284edd53babcb"></a><!-- doxytag: member="glm::mod" ref="ga5f05facb4b70489113d284edd53babcb" args="(uint x, uint y)" -->
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<td class="memname">uint glm::mod </td>
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<td>(</td>
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<td class="paramtype">uint </td>
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<td class="paramname"><em>x</em>, </td>
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<p>Modulus. </p>
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<p>Returns x - y * floor(x / y) for each component in x using the floating point value y. From GLM_GTX_integer extension. </p>
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<a class="anchor" id="gade78ad3e82d61001f4641571db4dd56e"></a><!-- doxytag: member="glm::nlz" ref="gade78ad3e82d61001f4641571db4dd56e" args="(uint x)" -->
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<td class="memname">uint glm::nlz </td>
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<td>(</td>
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<p>Returns the number of leading zeros. </p>
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<p>From GLM_GTX_integer extension. </p>
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<a class="anchor" id="ga0073d991d1c9c9a37b458eb512535fc8"></a><!-- doxytag: member="glm::pow" ref="ga0073d991d1c9c9a37b458eb512535fc8" args="(int x, int y)" -->
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<td class="memname">int glm::pow </td>
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<td>(</td>
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<p>Returns x raised to the y power. </p>
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<p>From GLM_GTX_integer extension. </p>
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<a class="anchor" id="gaaff5d34714236dbeddd49e4ecb045abc"></a><!-- doxytag: member="glm::pow" ref="gaaff5d34714236dbeddd49e4ecb045abc" args="(uint x, uint y)" -->
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<td class="memname">uint glm::pow </td>
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<p>Returns x raised to the y power. </p>
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<p>From GLM_GTX_integer extension. </p>
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<a class="anchor" id="ga6aad88cb883810890ac2b68000c544c1"></a><!-- doxytag: member="glm::sqrt" ref="ga6aad88cb883810890ac2b68000c544c1" args="(int x)" -->
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<td class="memname">int glm::sqrt </td>
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<td>(</td>
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<td class="paramtype">int </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>Returns the positive square root of x. </p>
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<p>From GLM_GTX_integer extension. </p>
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</div>
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</div>
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<a class="anchor" id="gafb4f8acb2b577775e2ef1a86e7312340"></a><!-- doxytag: member="glm::sqrt" ref="gafb4f8acb2b577775e2ef1a86e7312340" args="(uint 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">uint glm::sqrt </td>
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<td>(</td>
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<td class="paramtype">uint </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>Returns the positive square root of x. </p>
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||
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<p>From GLM_GTX_integer extension. </p>
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||
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||
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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>
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Generated by  <a href="http://www.doxygen.org/index.html">
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<img class="footer" src="doxygen.png" alt="doxygen"/>
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</a> 1.7.5.1
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</small></address>
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</body>
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</html>
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