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6 | <title>boost/qvm/vec_traits_array.hpp</title> | |
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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>boost/qvm/vec_traits_array.hpp</h3> | |
20 | </div> | |
21 | <p>This header introduces specializations of the <i><span class="RenoLink"><a href="vec_traits.html">vec_traits</a></span></i>, <i><span class="RenoLink"><a href="deduce_vec.html">deduce_vec</a></span></i> and <i><span class="RenoLink"><a href="deduce_vec2.html">deduce_vec2</a></span></i> templates that make it possible to pass C arrays to any Boost QVM function that takes a vector of matching size.</p> | |
22 | <div class="RenoIncludeDIV"><p>For example, after <i>#include <<span class="RenoLink">boost/qvm/vec_traits_array.hpp</span>></i>, to compute the dot product of two C arrays, you could use:</p> | |
23 | <pre>float a[4], b[4]; | |
24 | float dp = <span class="RenoLink"><a href="dot_vec_vec_.html">dot</a></span>(a,b);</pre> | |
25 | <p>To use Boost QVM operator overloads, at least one of the arguments must not be of a built-in type; for example you can't multiply a C array vector by a scalar by using <i><span class="RenoLink"><a href="operator_mul_eq_vec_scalar_.html">operator*=</a></span></i> directly. Use <i><span class="RenoLink"><a href="vref.html">vref</a></span></i> to work around this issue:</p> | |
26 | <pre>float a[4]; | |
27 | <span class="RenoLink"><a href="vref.html">vref</a></span>(a) <span class="RenoLink"><a href="operator_mul_eq_vec_scalar_.html">*=</a></span> 42;</pre> | |
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29 | See also: <span class="RenoPageList"><a href="ptr_vref.html">ptr_vref</a></span> | |
30 | </div> | |
31 | <!-- Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. --> | |
32 | <!-- Distributed under the Boost Software License, Version 1.0. (See accompanying --> | |
33 | <!-- file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> | |
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38 | <small>Copyright (c) 2008-2016 by Emil Dotchevski and Reverge Studios, Inc.<br/> | |
39 | Distributed under the <a href="http://www.boost.org/LICENSE_1_0.txt">Boost Software License, Version 1.0</a>.</small> | |
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