glm/doc/api-0.9.3/a00184.html
2011-11-12 23:26:02 +00:00

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<title>GLM_GTX_fast_trigonometry: Fast trigonometric functions</title>
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<h1>GLM_GTX_fast_trigonometry: Fast trigonometric 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 trigonometric 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="a00184.html#ga4de89dd696f9ee5b20d9b12b90285754">fastAcos</a> (const T &amp;angle)</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="a00184.html#ga750c1922e4a2dfcac650068ef2956b78">fastAsin</a> (const T &amp;angle)</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="a00184.html#ga27f8bffd5c3f9934816c2b2eb859ff2b">fastAtan</a> (const T &amp;angle)</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="a00184.html#ga486d4abab9a6853deca4c17d148e2392">fastAtan</a> (const T &amp;y, 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="a00184.html#gabe9197eea2724723cd384d8c2fd18f81">fastCos</a> (const T &amp;angle)</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="a00184.html#ga6a6b48e07944fa0ac8e0f793ba8d290d">fastSin</a> (const T &amp;angle)</td></tr>
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<tr><td class="memTemplItemLeft" align="right" valign="top">T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00184.html#ga63de9fbdc14d12a528d2efabaab8690d">fastTan</a> (const T &amp;angle)</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Fast but less accurate implementations of trigonometric functions. </p>
<p>&lt;<a class="el" href="a00040.html" title="OpenGL Mathematics (glm.g-truc.net)">glm/gtx/fast_trigonometry.hpp</a>&gt; need to be included to use these functionalities. </p>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="ga4de89dd696f9ee5b20d9b12b90285754"></a><!-- doxytag: member="glm::fastAcos" ref="ga4de89dd696f9ee5b20d9b12b90285754" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastAcos </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
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<p>Faster than the common acos function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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<a class="anchor" id="ga750c1922e4a2dfcac650068ef2956b78"></a><!-- doxytag: member="glm::fastAsin" ref="ga750c1922e4a2dfcac650068ef2956b78" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastAsin </td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
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<p>Faster than the common asin function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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<a class="anchor" id="ga27f8bffd5c3f9934816c2b2eb859ff2b"></a><!-- doxytag: member="glm::fastAtan" ref="ga27f8bffd5c3f9934816c2b2eb859ff2b" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastAtan </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
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<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
<a class="anchor" id="ga486d4abab9a6853deca4c17d148e2392"></a><!-- doxytag: member="glm::fastAtan" ref="ga486d4abab9a6853deca4c17d148e2392" args="(const T &amp;y, const T &amp;x)" -->
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<td class="memname">T glm::fastAtan </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>y</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>x</em>&#160;</td>
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<td>)</td>
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<div class="memdoc">
<p>Faster than the common atan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
<a class="anchor" id="gabe9197eea2724723cd384d8c2fd18f81"></a><!-- doxytag: member="glm::fastCos" ref="gabe9197eea2724723cd384d8c2fd18f81" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastCos </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
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<p>Faster than the common cos function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
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</div>
<a class="anchor" id="ga6a6b48e07944fa0ac8e0f793ba8d290d"></a><!-- doxytag: member="glm::fastSin" ref="ga6a6b48e07944fa0ac8e0f793ba8d290d" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastSin </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
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<div class="memdoc">
<p>Faster than the common sin function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
</div>
</div>
<a class="anchor" id="ga63de9fbdc14d12a528d2efabaab8690d"></a><!-- doxytag: member="glm::fastTan" ref="ga63de9fbdc14d12a528d2efabaab8690d" args="(const T &amp;angle)" -->
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<td class="memname">T glm::fastTan </td>
<td>(</td>
<td class="paramtype">const T &amp;&#160;</td>
<td class="paramname"><em>angle</em></td><td>)</td>
<td></td>
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<p>Faster than the common tan function but less accurate. </p>
<p>Defined between -2pi and 2pi. From GLM_GTX_fast_trigonometry extension. </p>
</div>
</div>
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