46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/* -*- C++ -*- ------------------------------------------------------------
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Copyright (c) 2007 Jesse Anders and Demian Nave http://cmldev.net/
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The Configurable Math Library (CML) is distributed under the terms of the
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Boost Software License, v1.0 (see cml/LICENSE for details).
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*-----------------------------------------------------------------------*/
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/** @file
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* @brief
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*/
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#ifndef quaternion_traits_h
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#define quaternion_traits_h
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#include <cml/et/traits.h>
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namespace cml {
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namespace et {
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/** Expression traits for a quaternion<> type. */
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template<typename E, class AT, class OT, class CT>
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struct ExprTraits< cml::quaternion<E,AT,OT,CT> >
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{
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typedef typename cml::quaternion<E,AT,OT,CT>::expr_type expr_type;
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typedef typename expr_type::value_type value_type;
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typedef typename expr_type::expr_reference reference;
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typedef typename expr_type::expr_const_reference const_reference;
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typedef typename expr_type::result_tag result_tag;
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typedef typename expr_type::size_tag size_tag;
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typedef typename expr_type::assignable_tag assignable_tag;
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typedef expr_type result_type;
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typedef expr_leaf_tag node_tag;
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value_type get(const expr_type& v, size_t i) const { return v[i]; }
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size_t size(const expr_type& v) const { return 4; }
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};
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} // namespace et
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} // namespace cml
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#endif
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// -------------------------------------------------------------------------
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// vim:ft=cpp
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