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7    <title>AcosRad</title>
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10    <h1><CODE><a href="../../nn/Overview.html">nn</a>::<a href="../../nn/math/Overview.html">math</a>::AcosRad</CODE> Function</h1>
11    <h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14NN_MATH_INLINE <a href="../../nn_types/f32.html">f32</a> AcosRad(
15     <a href="../../nn_types/f32.html">f32</a> x
16);
17</pre>
18    </div>
19    <h2>Parameters</h2>
20    <div class="section">
21      <table class="arguments">
22        <thead>
23          <tr>
24            <td width="15" />
25            <th>Name</th>
26            <td>Description</td>
27          </tr>
28        </thead>
29        <tr>
30          <td>in</td>
31          <th>x</th>
32          <td>Value whose inverse cosine (arccosine) you wish to find.</td>
33        </tr> </table>
34    </div>
35    <h2>Return Values</h2>
36    <div class="section">Returns the inverse cosine of <SPAN class="argument">x</SPAN> in radians. </div>
37    <h2>Description</h2>
38    <div class="section">
39      <p>Finds the value of the inverse cosine (arccosine). In contrast with <CODE>NN_Acos</CODE>, a warning is displayed depending on the arguments that are used.</p><p>The warning is displayed if the absolute value of the argument is greater than <CODE>1</CODE>.</p><p>This function uses the standard <CODE>acos</CODE> function.</p></div>
40    <h2>Revision History</h2>
41    <div class="section">
42      <dl class="history">
43        <dt>2012/06/26</dt>
44<dd>Added a note about the warning message.<br />
45        </dd>
46        <dt>2011/08/26</dt>
47        <dd>Added text about internal implementation.<br />
48        </dd>
49        <dt>2010/01/07</dt>
50        <dd>Initial version.<br />
51        </dd>
52      </dl>
53    </div>
54  <hr><p>CONFIDENTIAL</p></body>
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