mirror of https://gitee.com/bigwinds/arangodb
110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
//Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
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//Distributed under the Boost Software License, Version 1.0. (See accompanying
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//file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#ifndef UUID_EF9152E42E4711DFB699737156D89593
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#define UUID_EF9152E42E4711DFB699737156D89593
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#include <boost/qvm/deduce_quat.hpp>
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#include <boost/qvm/assert.hpp>
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#include "test_qvm.hpp"
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namespace
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test_qvm
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{
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template <class Tag,class T=float>
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struct
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quaternion
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{
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T a[4];
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mutable T b[4];
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explicit
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quaternion( T start=T(0), T step=T(0) )
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{
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for( int i=0; i!=4; ++i,start+=step )
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a[i]=b[i]=start;
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}
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};
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template <class Tag1,class T1,class Tag2,class T2>
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void
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dump_ab( quaternion<Tag1,T1> const & a, quaternion<Tag2,T2> const & b )
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{
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detail::dump_ab(a.a,b.a);
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}
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}
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namespace
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boost
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{
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namespace
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qvm
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{
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template <class Tag,class T>
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struct
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quat_traits< test_qvm::quaternion<Tag,T> >
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{
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typedef T scalar_type;
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typedef test_qvm::quaternion<Tag,T> this_quaternion_type;
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template <int I>
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static
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scalar_type &
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write_element( this_quaternion_type & m )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<4);
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return m.a[I];
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}
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template <int I>
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static
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scalar_type
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read_element( this_quaternion_type const & m )
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{
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BOOST_QVM_STATIC_ASSERT(I>=0);
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BOOST_QVM_STATIC_ASSERT(I<4);
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return m.a[I];
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}
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static
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inline
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scalar_type &
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write_element_idx( int i, this_quaternion_type & m )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<4);
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return m.a[i];
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}
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static
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inline
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scalar_type
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read_element_idx( int i, this_quaternion_type const & m )
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{
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BOOST_QVM_ASSERT(i>=0);
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BOOST_QVM_ASSERT(i<4);
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return m.a[i];
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}
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};
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template <class Tag,class T>
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struct
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deduce_quat2<test_qvm::quaternion<Tag,T>,test_qvm::quaternion<Tag,T> >
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{
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typedef test_qvm::quaternion<Tag,T> type;
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};
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}
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}
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namespace
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{
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struct Q1;
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struct Q2;
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struct Q3;
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}
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#endif
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