ceph/src/boost/libs/qvm/doc/inverse_quat_.html

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  14 <h1>QVM: Quaternions, Vectors, Matrices</h1>
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  16 <!-- Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. -->
  17 <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
  18 <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
  19 <div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>inverse(quat)</h3>
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  21 <div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_qvm_quat_operations_hpp.html">boost/qvm/quat_operations.hpp</a></span>&gt;</p>
  22 <pre>namespace boost
  23 {
  24     namespace <span class="RenoLink"><a href="qvm.html">qvm</a></span>
  25     {
  26 <span class="RenoIncludeSPAN">        //Only <span class="RenoLink"><a href="SFINAE_enable_if.html">enabled if</a></span>: <span class="RenoLink"><a href="is_quat.html">is_quat</a></span>&lt;A&gt;::value
  27         template &lt;class A&gt;
  28         typename <span class="RenoLink"><a href="deduce_quat.html">deduce_quat</a></span>&lt;A&gt;::type
  29         <span class="RenoLink">inverse</span>( A const &amp; a );</span>
  30     }
  31 }</pre>
  32 </div><h4>Returns:</h4>
  33 <p>Computes the multiplicative inverse of <i>a</i>, or the <span class="RenoLink"><a href="http://en.wikipedia.org/wiki/Quaternion#Conjugation.2C_the_norm.2C_and_reciprocal">conjugate-to-norm</a></span> ratio.</p>
  34 <div class="RenoIncludeDIV"><h4>Throws:</h4>
  35 <p>If the magnitude of <i>a</i> is zero, throws <i><span class="RenoLink"><a href="zero_magnitude_error.html">zero_magnitude_error</a></span></i>.</p>
  36 </div><h4>Note:</h4>
  37 <p>If <i>a</i> is known to be unit length, <i><span class="RenoLink"><a href="conjugate.html">conjugate</a></span></i> is equivalent to <i><span class="RenoLink">inverse</span></i>, yet it is faster to compute.</p>
  38 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
  39 See also: <span class="RenoPageList"><a href="boost_qvm_quat_operations_hpp.html">boost/qvm/quat_operations.hpp</a></span>
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  41 <!-- Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. -->
  42 <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
  43 <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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  48 <small>Copyright (c) 2008-2016 by Emil Dotchevski and Reverge Studios, Inc.<br/>
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