glm/doc/api-0.9.3/a00182.html
2011-11-12 23:26:02 +00:00

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<title>GLM_GTX_fast_exponential: Fast exponentiation functions</title>
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<h1>GLM_GTX_fast_exponential: Fast exponentiation functions</h1> </div>
<div class="ingroups"><a class="el" href="a00152.html">GTX Extensions (Experimental)</a></div></div>
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<p>Fast but less accurate implementations of exponential based functions.
<a href="#_details">More...</a></p>
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Functions</h2></td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga7a536a4265d03d176fb5a3ed6049d064">fastExp</a> (const T &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga2562b1d61d35bdc2abbe22ef4ec7984c">fastExp2</a> (const T &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gab3624502e807d6b387888fdd41ea1bd3">fastLn</a> (const T &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga33166ad8f8a52017fb9fed37f51889b2">fastLog</a> (const T &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga3083053330ec42b24394e0d723fe176e">fastLog2</a> (const T &amp;x)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#gaa94063435a0d431ff310027bd92bf69e">fastPow</a> (genType const &amp;x, genType const &amp;y)</td></tr>
<tr><td class="memTemplParams" colspan="2">template&lt;typename genTypeT , typename genTypeU &gt; </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">genTypeT&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00182.html#ga45b90ca5ba2cbcbae23b7700923b8e09">fastPow</a> (genTypeT const &amp;x, genTypeU const &amp;y)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Fast but less accurate implementations of exponential based functions. </p>
<p>&lt;<a class="el" href="a00038.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/fast_exponential.hpp</a>&gt; need to be included to use these functionalities. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga7a536a4265d03d176fb5a3ed6049d064"></a><!-- doxytag: member="glm::fastExp" ref="ga7a536a4265d03d176fb5a3ed6049d064" args="(const T &amp;x)" -->
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<td class="memname">T glm::fastExp </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Faster than the common exp function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
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<a class="anchor" id="ga2562b1d61d35bdc2abbe22ef4ec7984c"></a><!-- doxytag: member="glm::fastExp2" ref="ga2562b1d61d35bdc2abbe22ef4ec7984c" args="(const T &amp;x)" -->
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<td class="memname">T glm::fastExp2 </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Faster than the common exp2 function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
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<a class="anchor" id="gab3624502e807d6b387888fdd41ea1bd3"></a><!-- doxytag: member="glm::fastLn" ref="gab3624502e807d6b387888fdd41ea1bd3" args="(const T &amp;x)" -->
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<td class="memname">T glm::fastLn </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Faster than the common ln function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
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<a class="anchor" id="ga33166ad8f8a52017fb9fed37f51889b2"></a><!-- doxytag: member="glm::fastLog" ref="ga33166ad8f8a52017fb9fed37f51889b2" args="(const T &amp;x)" -->
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<td class="memname">T glm::fastLog </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Faster than the common log function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
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</div>
<a class="anchor" id="ga3083053330ec42b24394e0d723fe176e"></a><!-- doxytag: member="glm::fastLog2" ref="ga3083053330ec42b24394e0d723fe176e" args="(const T &amp;x)" -->
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<td class="memname">T glm::fastLog2 </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em></td><td>)</td>
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<p>Faster than the common log2 function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
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</div>
<a class="anchor" id="gaa94063435a0d431ff310027bd92bf69e"></a><!-- doxytag: member="glm::fastPow" ref="gaa94063435a0d431ff310027bd92bf69e" args="(genType const &amp;x, genType const &amp;y)" -->
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<td class="memname">genType glm::fastPow </td>
<td>(</td>
<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">genType const &amp;&#160;</td>
<td class="paramname"><em>y</em>&#160;</td>
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<td>)</td>
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<p>Faster than the common pow function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
</div>
</div>
<a class="anchor" id="ga45b90ca5ba2cbcbae23b7700923b8e09"></a><!-- doxytag: member="glm::fastPow" ref="ga45b90ca5ba2cbcbae23b7700923b8e09" args="(genTypeT const &amp;x, genTypeU const &amp;y)" -->
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<td class="memname">genTypeT glm::fastPow </td>
<td>(</td>
<td class="paramtype">genTypeT const &amp;&#160;</td>
<td class="paramname"><em>x</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">genTypeU const &amp;&#160;</td>
<td class="paramname"><em>y</em>&#160;</td>
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<td></td>
<td>)</td>
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<p>Faster than the common pow function but less accurate. </p>
<p>From GLM_GTX_fast_exponential extension. </p>
</div>
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