91 lines
2.7 KiB
C++
91 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_C5DC682E196211E0A4C1686BDFD72085
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#define UUID_C5DC682E196211E0A4C1686BDFD72085
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#include <boost/qvm/deduce_scalar.hpp>
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#include <boost/qvm/mat_traits.hpp>
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#include <boost/qvm/static_assert.hpp>
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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 T,int Rows,int Cols>
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struct mat;
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namespace
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qvm_detail
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{
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template <class M,int R,int C,
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int MR=mat_traits<M>::rows,
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int MC=mat_traits<M>::cols>
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struct
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deduce_mat_default
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{
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BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
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typedef mat<typename mat_traits<M>::scalar_type,R,C> type;
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};
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template <class M,int R,int C>
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struct
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deduce_mat_default<M,R,C,R,C>
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{
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BOOST_QVM_STATIC_ASSERT(is_mat<M>::value);
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typedef M type;
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};
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}
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template <class Type,int Rows=mat_traits<Type>::rows,int Cols=mat_traits<Type>::cols>
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struct
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deduce_mat
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{
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BOOST_QVM_STATIC_ASSERT(is_mat<Type>::value);
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typedef typename qvm_detail::deduce_mat_default<Type,Rows,Cols>::type type;
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};
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namespace
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qvm_detail
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{
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template <class A,class B,int R,int C,
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bool VA=is_mat<A>::value,
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bool VB=is_mat<B>::value,
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int AR=mat_traits<A>::rows,
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int AC=mat_traits<A>::cols,
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int BR=mat_traits<B>::rows,
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int BC=mat_traits<B>::cols>
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struct
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deduce_m2_default
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{
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typedef mat<
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typename deduce_scalar<
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typename scalar<A>::type,
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typename scalar<B>::type>::type,
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R,C> type;
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};
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template <class M,int R,int C>
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struct
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deduce_m2_default<M,M,R,C,true,true,R,C,R,C>
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{
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typedef M type;
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};
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}
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template <class A,class B,int R,int C>
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struct
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deduce_mat2
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{
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BOOST_QVM_STATIC_ASSERT(is_mat<A>::value || is_mat<B>::value);
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typedef typename qvm_detail::deduce_m2_default<A,B,R,C>::type type;
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};
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}
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}
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#endif
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