1 //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc. 2 3 //Distributed under the Boost Software License, Version 1.0. (See accompanying 4 //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 5 6 #ifndef BOOST_QVM_C5DC682E196211E0A4C1686BDFD72085 7 #define BOOST_QVM_C5DC682E196211E0A4C1686BDFD72085 8 9 #include <boost/qvm/deduce_scalar.hpp> 10 #include <boost/qvm/mat_traits.hpp> 11 #include <boost/qvm/static_assert.hpp> 12 13 namespace 14 boost 15 { 16 namespace 17 qvm 18 { 19 template <class T,int Rows,int Cols> 20 struct mat; 21 22 namespace 23 qvm_detail 24 { 25 template <class M,int R,int C, 26 int MR=mat_traits<M>::rows, 27 int MC=mat_traits<M>::cols> 28 struct 29 deduce_mat_default 30 { 31 BOOST_QVM_STATIC_ASSERT(is_mat<M>::value); 32 typedef mat<typename mat_traits<M>::scalar_type,R,C> type; 33 }; 34 35 template <class M,int R,int C> 36 struct 37 deduce_mat_default<M,R,C,R,C> 38 { 39 BOOST_QVM_STATIC_ASSERT(is_mat<M>::value); 40 typedef M type; 41 }; 42 } 43 44 template <class Type,int Rows=mat_traits<Type>::rows,int Cols=mat_traits<Type>::cols> 45 struct 46 deduce_mat 47 { 48 BOOST_QVM_STATIC_ASSERT(is_mat<Type>::value); 49 typedef typename qvm_detail::deduce_mat_default<Type,Rows,Cols>::type type; 50 }; 51 52 namespace 53 qvm_detail 54 { 55 template <class A,class B,int R,int C, 56 bool VA=is_mat<A>::value, 57 bool VB=is_mat<B>::value, 58 int AR=mat_traits<A>::rows, 59 int AC=mat_traits<A>::cols, 60 int BR=mat_traits<B>::rows, 61 int BC=mat_traits<B>::cols> 62 struct 63 deduce_m2_default 64 { 65 typedef mat< 66 typename deduce_scalar< 67 typename scalar<A>::type, 68 typename scalar<B>::type>::type, 69 R,C> type; 70 }; 71 72 template <class M,int R,int C> 73 struct 74 deduce_m2_default<M,M,R,C,true,true,R,C,R,C> 75 { 76 typedef M type; 77 }; 78 } 79 80 template <class A,class B,int R,int C> 81 struct 82 deduce_mat2 83 { 84 BOOST_QVM_STATIC_ASSERT(is_mat<A>::value || is_mat<B>::value); 85 typedef typename qvm_detail::deduce_m2_default<A,B,R,C>::type type; 86 }; 87 } 88 } 89 90 #endif 91