ceph/src/boost/libs/qvm/doc/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>quat</h3>
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  21 <div class="RenoIncludeDIV"><div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_qvm_quat_hpp.html">boost/qvm/quat.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">        <span class="RenoIncludeSPAN">template &lt;class T&gt;
  27         struct <span class="RenoLink">quat</span>
  28         {
  29             T a[4];
  30
  31             template &lt;class R&gt;
  32             operator R() const
  33             {
  34                 R r;
  35                 <span class="RenoLink"><a href="assign_quat_quat_.html">assign</a></span>(r,*this);
  36                 return r;
  37             }
  38         };
  39
  40         template &lt;class Quaternion&gt;
  41         struct <span class="RenoLink"><a href="quat_traits.html">quat_traits</a></span>;
  42
  43         template &lt;class T&gt;
  44         struct <span class="RenoLink"><a href="quat_traits.html">quat_traits</a></span>&lt; <span class="RenoLink">quat</span>&lt;T&gt; &gt;
  45         {
  46             typedef T scalar_type;
  47
  48             template &lt;int I&gt; static scalar_type <span class="RenoLink"><a href="quat_traits_Q_read_element.html">read_element</a></span>( <span class="RenoLink">quat</span>&lt;T&gt; const &amp; x ) { return x.a[I]; }
  49             template &lt;int I&gt; static scalar_type &amp; <span class="RenoLink"><a href="quat_traits_Q_write_element.html">write_element</a></span>( <span class="RenoLink">quat</span>&lt;T&gt; &amp; x ) { return x.a[I]; }
  50         };</span></span>
  51     }
  52 }</pre>
  53 </div></div><p>This is a simple quaternion type. It converts to any other quaternion type.</p>
  54 <p>The partial specialization of the <i><span class="RenoLink"><a href="quat_traits.html">quat_traits</a></span></i> template makes the <i><span class="RenoLink">quat</span></i> template compatible with the generic operations defined by Boost QVM.</p>
  55 </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div>
  56 See also: <span class="RenoPageList"><a href="boost_qvm_quat_hpp.html">boost/qvm/quat.hpp</a></span>
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  58 <!-- Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. -->
  59 <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying -->
  60 <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) -->
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  65 <small>Copyright (c) 2008-2016 by Emil Dotchevski and Reverge Studios, Inc.<br/>
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