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