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1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
3 | <!-- saved from url=(0013)about:internet --> | |
4 | <?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>asin - OpenGL Shading Language (GLSL)</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="radians"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>asin — return the arcsine of the parameter</p></div><div class="refsynopsisdiv"><h2>Declaration</h2><div class="funcsynopsis"><p><code class="funcdef">genType <b class="fsfunc">asin</b>(</code>genType <var class="pdparam">x</var><code>)</code>;</p></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>x</code></em></span></dt><dd><p> | |
5 | Specify the value whose arcsine to return. | |
6 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
7 | <code class="function">atan</code> returns the angle whose trigonometric sine is | |
8 | <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">x</mml:mi></mml:math>. | |
9 | The range of values returned by <code class="function">asin</code> is | |
10 | <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"> | |
11 | <mml:list order="numeric"> | |
12 | <mml:mrow> | |
13 | <mml:mo>−</mml:mo> | |
14 | <mml:mfrac> | |
15 | <mml:csymbol encoding="" definitionURL=""><mml:pi definitionURL="" encoding=""></mml:pi></mml:csymbol> | |
16 | <mml:mn>2</mml:mn> | |
17 | </mml:mfrac> | |
18 | </mml:mrow> | |
19 | <mml:mfrac> | |
20 | <mml:pi definitionURL="" encoding=""></mml:pi> | |
21 | <mml:mn>2</mml:mn> | |
22 | </mml:mfrac> | |
23 | </mml:list> | |
24 | </mml:math>. | |
25 | The result is undefined if | |
26 | <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:apply><mml:gt definitionURL="" encoding=""></mml:gt><mml:apply><mml:abs definitionURL="" encoding=""></mml:abs><mml:mi mathvariant="italic">x</mml:mi></mml:apply><mml:mn>1</mml:mn></mml:apply></mml:math>. | |
27 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="versions"></a><h2>Version Support</h2><div class="informaltable"><table border="1"><colgroup><col align="left" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /><col align="center" /></colgroup><thead><tr><th align="left"><span class="bold"><strong>Function</strong></span></th><th align="left"><span class="bold"><strong>Version 1.10</strong></span></th><th align="left"><span class="bold"><strong>Version 1.20</strong></span></th><th align="left"><span class="bold"><strong>Version 1.30</strong></span></th><th align="left"><span class="bold"><strong>Version 1.40</strong></span></th><th align="left"><span class="bold"><strong>Version 1.50</strong></span></th><th align="left"><span class="bold"><strong>Version 3.30</strong></span></th><th align="left"><span class="bold"><strong>Version 4.00</strong></span></th><th align="left"><span class="bold"><strong>Version 4.10</strong></span></th><th align="left"><span class="bold"><strong>Version 4.20</strong></span></th><th align="center"><span class="bold"><strong>Version 4.30</strong></span></th></tr><tr><th align="left">asin</th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th><th align="center"><span class="emphasis"><em>Y</em></span></th></tr></thead></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
28 | <a href="sin.xml"><span class="citerefentry"><span class="refentrytitle">sin</span></span></a>, | |
29 | <a href="cos.xml"><span class="citerefentry"><span class="refentrytitle">cos</span></span></a>, | |
30 | <a href="acos.xml"><span class="citerefentry"><span class="refentrytitle">acos</span></span></a>, | |
31 | <a href="tan.xml"><span class="citerefentry"><span class="refentrytitle">tan</span></span></a> | |
32 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
33 | Copyright <span class="trademark"></span>© 2011 Khronos Group. | |
34 | This material may be distributed subject to the terms and conditions set forth in | |
35 | the Open Publication License, v 1.0, 8 June 1999. | |
36 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
37 | </p></div></div></body></html> |