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_47136D2C385411E7BA27D3B681262D2E 7 #define BOOST_QVM_47136D2C385411E7BA27D3B681262D2E 8 9 #include <boost/qvm/gen/mat_assign2.hpp> 10 #include <boost/qvm/gen/mat_assign3.hpp> 11 #include <boost/qvm/gen/mat_assign4.hpp> 12 13 namespace 14 boost 15 { 16 namespace 17 qvm 18 { 19 namespace 20 qvm_detail 21 { 22 template <int M,int N> 23 struct 24 assign_mm_defined 25 { 26 static bool const value=false; 27 }; 28 29 template <int I,int N> 30 struct 31 copy_matrix_elements 32 { 33 template <class A,class B> 34 static 35 BOOST_QVM_INLINE_CRITICAL 36 void fboost::qvm::qvm_detail::copy_matrix_elements37 f( A & a, B const & b ) 38 { 39 mat_traits<A>::template write_element<I/mat_traits<A>::cols,I%mat_traits<A>::cols>(a) = 40 mat_traits<B>::template read_element<I/mat_traits<B>::cols,I%mat_traits<B>::cols>(b); 41 copy_matrix_elements<I+1,N>::f(a,b); 42 } 43 }; 44 45 template <int N> 46 struct 47 copy_matrix_elements<N,N> 48 { 49 template <class A,class B> 50 static 51 BOOST_QVM_INLINE_CRITICAL 52 void fboost::qvm::qvm_detail::copy_matrix_elements53 f( A &, B const & ) 54 { 55 } 56 }; 57 } 58 59 template <class A,class B> 60 BOOST_QVM_INLINE_TRIVIAL 61 typename boost::enable_if_c< 62 is_mat<A>::value && is_mat<B>::value && 63 mat_traits<A>::rows==mat_traits<B>::rows && 64 mat_traits<A>::cols==mat_traits<B>::cols && 65 !qvm_detail::assign_mm_defined<mat_traits<A>::rows,mat_traits<A>::cols>::value, 66 A &>::type assign(A & a,B const & b)67 assign( A & a, B const & b ) 68 { 69 qvm_detail::copy_matrix_elements<0,mat_traits<A>::rows*mat_traits<A>::cols>::f(a,b); 70 return a; 71 } 72 } 73 } 74 75 #endif 76