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<p><a class="el" href="a00155.html">GLM Core</a>  
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gafe2cae8cb26fd44be62aee97369d0af8"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P&gt; </td></tr>
<tr class="memitem:gafe2cae8cb26fd44be62aee97369d0af8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL tvec3&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gafe2cae8cb26fd44be62aee97369d0af8">cross</a> (tvec3&lt; T, P &gt; const &amp;x, tvec3&lt; T, P &gt; const &amp;y)</td></tr>
<tr class="memdesc:gafe2cae8cb26fd44be62aee97369d0af8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the cross product of x and y.  <a href="a00147.html#gafe2cae8cb26fd44be62aee97369d0af8">More...</a><br /></td></tr>
<tr class="separator:gafe2cae8cb26fd44be62aee97369d0af8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7ca317dde0d7e94d920153554d4a02a8"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:ga7ca317dde0d7e94d920153554d4a02a8"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga7ca317dde0d7e94d920153554d4a02a8">distance</a> (vecType&lt; T, P &gt; const &amp;p0, vecType&lt; T, P &gt; const &amp;p1)</td></tr>
<tr class="memdesc:ga7ca317dde0d7e94d920153554d4a02a8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).  <a href="a00147.html#ga7ca317dde0d7e94d920153554d4a02a8">More...</a><br /></td></tr>
<tr class="separator:ga7ca317dde0d7e94d920153554d4a02a8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7dada304da2ba7dd3376ab4f178c3f6b"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:ga7dada304da2ba7dd3376ab4f178c3f6b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga7dada304da2ba7dd3376ab4f178c3f6b">dot</a> (vecType&lt; T, P &gt; const &amp;x, vecType&lt; T, P &gt; const &amp;y)</td></tr>
<tr class="memdesc:ga7dada304da2ba7dd3376ab4f178c3f6b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the dot product of x and y, i.e., result = x * y.  <a href="a00147.html#ga7dada304da2ba7dd3376ab4f178c3f6b">More...</a><br /></td></tr>
<tr class="separator:ga7dada304da2ba7dd3376ab4f178c3f6b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gaea854e5aec1b5839832ac2dfc7cd3c0d"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:gaea854e5aec1b5839832ac2dfc7cd3c0d"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gaea854e5aec1b5839832ac2dfc7cd3c0d">faceforward</a> (vecType&lt; T, P &gt; const &amp;N, vecType&lt; T, P &gt; const &amp;I, vecType&lt; T, P &gt; const &amp;Nref)</td></tr>
<tr class="memdesc:gaea854e5aec1b5839832ac2dfc7cd3c0d"><td class="mdescLeft">&#160;</td><td class="mdescRight">If dot(Nref, I) &lt; 0.0, return N, otherwise, return -N.  <a href="a00147.html#gaea854e5aec1b5839832ac2dfc7cd3c0d">More...</a><br /></td></tr>
<tr class="separator:gaea854e5aec1b5839832ac2dfc7cd3c0d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga18d45e3d4c7705e67ccfabd99e521604"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:ga18d45e3d4c7705e67ccfabd99e521604"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL T&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#ga18d45e3d4c7705e67ccfabd99e521604">length</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
<tr class="memdesc:ga18d45e3d4c7705e67ccfabd99e521604"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns the length of x, i.e., sqrt(x * x).  <a href="a00147.html#ga18d45e3d4c7705e67ccfabd99e521604">More...</a><br /></td></tr>
<tr class="separator:ga18d45e3d4c7705e67ccfabd99e521604"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gada9451ec170a36fe53552812b9c03a68"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:gada9451ec170a36fe53552812b9c03a68"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gada9451ec170a36fe53552812b9c03a68">normalize</a> (vecType&lt; T, P &gt; const &amp;x)</td></tr>
<tr class="memdesc:gada9451ec170a36fe53552812b9c03a68"><td class="mdescLeft">&#160;</td><td class="mdescRight">Returns a vector in the same direction as x but with length of 1.  <a href="a00147.html#gada9451ec170a36fe53552812b9c03a68">More...</a><br /></td></tr>
<tr class="separator:gada9451ec170a36fe53552812b9c03a68"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab63646fc36b81cf69d3ce123a72f76f2"><td class="memTemplParams" colspan="2">template&lt;typename genType &gt; </td></tr>
<tr class="memitem:gab63646fc36b81cf69d3ce123a72f76f2"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL genType&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gab63646fc36b81cf69d3ce123a72f76f2">reflect</a> (genType const &amp;I, genType const &amp;N)</td></tr>
<tr class="memdesc:gab63646fc36b81cf69d3ce123a72f76f2"><td class="mdescLeft">&#160;</td><td class="mdescRight">For the incident vector I and surface orientation N, returns the reflection direction : result = I - 2.0 * dot(N, I) * N.  <a href="a00147.html#gab63646fc36b81cf69d3ce123a72f76f2">More...</a><br /></td></tr>
<tr class="separator:gab63646fc36b81cf69d3ce123a72f76f2"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gab7e7cdf4403931a5f7b74560ad64159b"><td class="memTemplParams" colspan="2">template&lt;typename T , precision P, template&lt; typename, precision &gt; class vecType&gt; </td></tr>
<tr class="memitem:gab7e7cdf4403931a5f7b74560ad64159b"><td class="memTemplItemLeft" align="right" valign="top">GLM_FUNC_DECL vecType&lt; T, P &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00147.html#gab7e7cdf4403931a5f7b74560ad64159b">refract</a> (vecType&lt; T, P &gt; const &amp;I, vecType&lt; T, P &gt; const &amp;N, T eta)</td></tr>
<tr class="memdesc:gab7e7cdf4403931a5f7b74560ad64159b"><td class="mdescLeft">&#160;</td><td class="mdescRight">For the incident vector I and surface normal N, and the ratio of indices of refraction eta, return the refraction vector.  <a href="a00147.html#gab7e7cdf4403931a5f7b74560ad64159b">More...</a><br /></td></tr>
<tr class="separator:gab7e7cdf4403931a5f7b74560ad64159b"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="a00155.html">GLM Core</a> </p>
<dl class="section see"><dt>See also</dt><dd><a href="http://www.opengl.org/registry/doc/GLSLangSpec.4.20.8.pdf">GLSL 4.20.8 specification, section 8.5 Geometric Functions</a> </dd></dl>

<p>Definition in file <a class="el" href="a00032_source.html">func_geometric.hpp</a>.</p>
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