1 //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
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)
6 #ifndef BOOST_QVM_A61EC088D31511DFA59D2B03E0D72085
7 #define BOOST_QVM_A61EC088D31511DFA59D2B03E0D72085
9 #include <boost/qvm/vec_mat_operations2.hpp>
10 #include <boost/qvm/vec_mat_operations3.hpp>
11 #include <boost/qvm/vec_mat_operations4.hpp>
19 ////////////////////////////////////////////////
24 template <int M,int N>
28 static bool const value=false;
32 template <class A,class B>
33 BOOST_QVM_INLINE_OPERATIONS
34 typename lazy_enable_if_c<
35 is_mat<A>::value && is_vec<B>::value &&
36 mat_traits<A>::cols==vec_traits<B>::dim &&
37 !qvm_detail::mul_mv_defined<mat_traits<A>::rows,mat_traits<A>::cols>::value,
38 deduce_vec2<A,B,mat_traits<A>::rows> >::type
39 operator*( A const & a, B const & b )
41 typedef typename deduce_vec2<A,B,mat_traits<A>::rows>::type R;
43 for( int i=0; i<mat_traits<A>::rows; ++i )
45 typedef typename vec_traits<R>::scalar_type Tr;
46 Tr x(scalar_traits<Tr>::value(0));
47 for( int j=0; j<mat_traits<A>::cols; ++j )
48 x += mat_traits<A>::read_element_idx(i,j,a)*vec_traits<B>::read_element_idx(j,b);
49 vec_traits<R>::write_element_idx(i,r) = x;
57 template <int M,int N>
61 static bool const value=false;
65 template <class A,class B>
66 BOOST_QVM_INLINE_OPERATIONS
67 typename lazy_enable_if_c<
68 is_vec<A>::value && is_mat<B>::value &&
69 vec_traits<A>::dim==mat_traits<B>::rows &&
70 !qvm_detail::mul_vm_defined<mat_traits<B>::rows,mat_traits<B>::cols>::value,
71 deduce_vec2<A,B,mat_traits<B>::cols> >::type
72 operator*( A const & a, B const & b )
74 typedef typename deduce_vec2<A,B,mat_traits<B>::cols>::type R;
76 for( int i=0; i<mat_traits<B>::cols; ++i )
78 typedef typename vec_traits<R>::scalar_type Tr;
79 Tr x(scalar_traits<Tr>::value(0));
80 for( int j=0; j<mat_traits<B>::rows; ++j )
81 x += vec_traits<A>::read_element_idx(j,a)*mat_traits<B>::read_element_idx(j,i,b);
82 vec_traits<R>::write_element_idx(i,r) = x;
87 ////////////////////////////////////////////////
89 template <class A,class B>
90 BOOST_QVM_INLINE_OPERATIONS
91 typename lazy_enable_if_c<
92 mat_traits<A>::rows==4 && mat_traits<A>::cols==4 &&
93 vec_traits<B>::dim==3,
94 deduce_vec2<A,B,3> >::type
95 transform_point( A const & a, B const & b )
97 typedef typename mat_traits<A>::scalar_type Ta;
98 typedef typename vec_traits<B>::scalar_type Tb;
99 Ta const a00 = mat_traits<A>::template read_element<0,0>(a);
100 Ta const a01 = mat_traits<A>::template read_element<0,1>(a);
101 Ta const a02 = mat_traits<A>::template read_element<0,2>(a);
102 Ta const a03 = mat_traits<A>::template read_element<0,3>(a);
103 Ta const a10 = mat_traits<A>::template read_element<1,0>(a);
104 Ta const a11 = mat_traits<A>::template read_element<1,1>(a);
105 Ta const a12 = mat_traits<A>::template read_element<1,2>(a);
106 Ta const a13 = mat_traits<A>::template read_element<1,3>(a);
107 Ta const a20 = mat_traits<A>::template read_element<2,0>(a);
108 Ta const a21 = mat_traits<A>::template read_element<2,1>(a);
109 Ta const a22 = mat_traits<A>::template read_element<2,2>(a);
110 Ta const a23 = mat_traits<A>::template read_element<2,3>(a);
111 Tb const b0 = vec_traits<B>::template read_element<0>(b);
112 Tb const b1 = vec_traits<B>::template read_element<1>(b);
113 Tb const b2 = vec_traits<B>::template read_element<2>(b);
114 typedef typename deduce_vec2<A,B,3>::type R;
115 BOOST_QVM_STATIC_ASSERT(vec_traits<R>::dim==3);
117 vec_traits<R>::template write_element<0>(r)=a00*b0+a01*b1+a02*b2+a03;
118 vec_traits<R>::template write_element<1>(r)=a10*b0+a11*b1+a12*b2+a13;
119 vec_traits<R>::template write_element<2>(r)=a20*b0+a21*b1+a22*b2+a23;
123 template <class A,class B>
124 BOOST_QVM_INLINE_OPERATIONS
125 typename lazy_enable_if_c<
126 mat_traits<A>::rows==4 && mat_traits<A>::cols==4 &&
127 vec_traits<B>::dim==3,
128 deduce_vec2<A,B,3> >::type
129 transform_vector( A const & a, B const & b )
131 typedef typename mat_traits<A>::scalar_type Ta;
132 typedef typename vec_traits<B>::scalar_type Tb;
133 Ta const a00 = mat_traits<A>::template read_element<0,0>(a);
134 Ta const a01 = mat_traits<A>::template read_element<0,1>(a);
135 Ta const a02 = mat_traits<A>::template read_element<0,2>(a);
136 Ta const a10 = mat_traits<A>::template read_element<1,0>(a);
137 Ta const a11 = mat_traits<A>::template read_element<1,1>(a);
138 Ta const a12 = mat_traits<A>::template read_element<1,2>(a);
139 Ta const a20 = mat_traits<A>::template read_element<2,0>(a);
140 Ta const a21 = mat_traits<A>::template read_element<2,1>(a);
141 Ta const a22 = mat_traits<A>::template read_element<2,2>(a);
142 Tb const b0 = vec_traits<B>::template read_element<0>(b);
143 Tb const b1 = vec_traits<B>::template read_element<1>(b);
144 Tb const b2 = vec_traits<B>::template read_element<2>(b);
145 typedef typename deduce_vec2<A,B,3>::type R;
146 BOOST_QVM_STATIC_ASSERT(vec_traits<R>::dim==3);
148 vec_traits<R>::template write_element<0>(r)=a00*b0+a01*b1+a02*b2;
149 vec_traits<R>::template write_element<1>(r)=a10*b0+a11*b1+a12*b2;
150 vec_traits<R>::template write_element<2>(r)=a20*b0+a21*b1+a22*b2;
154 ////////////////////////////////////////////////
159 using ::boost::qvm::operator*;
160 using ::boost::qvm::transform_point;
161 using ::boost::qvm::transform_vector;
164 ////////////////////////////////////////////////