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9 <h1 align=center>vec_angle_between</h1>
10 <a href="#NAME">NAME</a><br>
11 <a href="#SYNOPSIS">SYNOPSIS</a><br>
12 <a href="#DESCRIPTION">DESCRIPTION</a><br>
13 <a href="#AUTHOR">AUTHOR</a><br>
14 <a href="#LICENSE">LICENSE</a><br>
15 <a href="#VERSION">VERSION</a><br>
16 <a href="#SEE ALSO">SEE ALSO</a><br>
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20 <!-- CreationDate: Fri May 3 14:58:44 2002 -->
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27 vec_angle_between - calculate the angle between two vectors</td></table>
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35 <pre><b>#include <matvec.h>
37 float vec_angle_between (const float *v1, const float *v2);
38 </b></pre></td></table>
39 <a name="DESCRIPTION"></a>
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46 This function returns the angle between two vectors
47 <b>v1</b> and <b>v2</b>.</td></table>
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55 Richard Jones <rich@annexia.org></td></table>
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63 GNU LGPL (see http://www.gnu.org/)</td></table>
64 <a name="VERSION"></a>
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71 c2lib-1.2.13</td></table>
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79 <b>vec_dot_product(3)</b>,
80 <b>vec_magnitude_in_direction(3)</b></td></table>