projects / ceph.git / blame
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| 7c673cae FG |
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| 6 | <title>deduce_quat</title> | |
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| 10 | <div class="body-0"> | |
| 11 | <div class="body-1"> | |
| 12 | <div class="body-2"> | |
| 13 | <div> | |
| 14 | <h1>QVM: Quaternions, Vectors, Matrices</h1> | |
| 15 | </div> | |
| 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>deduce_quat</h3> | |
| 20 | </div> | |
| 21 | <div class="RenoIncludeDIV"><p><span class="RenoEscape">#<!--<wiki>`#</wiki>--></span>include <<span class="RenoLink"><a href="boost_qvm_deduce_quat_hpp.html">boost/qvm/deduce_quat.hpp</a></span>></p> | |
| 22 | <pre>namespace boost | |
| 23 | { | |
| 24 | namespace <span class="RenoLink"><a href="qvm.html">qvm</a></span> | |
| 25 | { | |
| 26 | <span class="RenoIncludeSPAN"> template <class Q> | |
| 27 | struct <span class="RenoLink">deduce_quat</span> | |
| 28 | { | |
| 29 | typedef Q type; | |
| 30 | };</span> | |
| 31 | } | |
| 32 | }</pre> | |
| 33 | </div><h4>Assumption:</h4> | |
| 34 | <p><i><span class="RenoLink"><a href="is_quat.html">is_quat</a></span><Q>::value</i> is true.</p> | |
| 35 | <h4>Requirements:</h4> | |
| 36 | <div><ul><li><i><span class="RenoLink"><a href="is_quat.html">is_quat</a></span><<span class="RenoLink">deduce_quat</span><Q>::type>::value</i> must be <i>true</i></li> | |
| 37 | <li><i><span class="RenoLink">deduce_quat</span><Q>::type</i> must be copyable</li> | |
| 38 | </ul></div> | |
| 39 | <p>This template is used by Boost QVM whenever it needs to deduce a copyable quaternion type from a single user-supplied function parameter of quaternion type. Note that <i>Q</i> itself may be non-copyable.</p> | |
| 40 | <p>The main template definition returns <i>Q</i>, which means that it is suitable only for copyable quaternion types. Boost QVM also defines (partial) specializations for the non-copyable quaternion types it produces. Users can define other (partial) specializations for their own types.</p> | |
| 41 | <p>A typical use of the <i><span class="RenoLink">deduce_quat</span></i> template is for specifying the preferred quaternion type to be returned by the generic function template overloads in Boost QVM depending on the type of their arguments.</p> | |
| 42 | </div><div class="RenoAutoDIV"><div class="RenoHR"><hr/></div> | |
| 43 | See also: <span class="RenoPageList"><a href="boost_qvm_deduce_quat_hpp.html">boost/qvm/deduce_quat.hpp</a> | <a href="boost_qvm_quat_traits_array_hpp.html">boost/qvm/quat_traits_array.hpp</a> | <a href="conjugate.html">conjugate</a> | <a href="inverse_quat_.html">inverse(quat)</a> | <a href="normalized_quat_.html">normalized(quat)</a> | <a href="operator_times_quat_scalar_.html">operator*(quat,scalar)</a> | <a href="operator_minus_quat_.html">operator-(quat)</a> | <a href="operator_over_quat_scalar_.html">operator/(quat,scalar)</a></span> | |
| 44 | </div> | |
| 45 | <!-- Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. --> | |
| 46 | <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> | |
| 47 | <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> | |
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| 52 | <small>Copyright (c) 2008-2016 by Emil Dotchevski and Reverge Studios, Inc.<br/> | |
| 53 | Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small> | |
| 54 | </p> | |
| 55 | </div> | |
| 56 | </div> | |
| 57 | </div> | |
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