[857] | 1 | //
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| 2 | // Copyright (c) 2000-2002
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| 3 | // Joerg Walter, Mathias Koch
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| 4 | //
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| 5 | // Permission to use, copy, modify, distribute and sell this software
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| 6 | // and its documentation for any purpose is hereby granted without fee,
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| 7 | // provided that the above copyright notice appear in all copies and
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| 8 | // that both that copyright notice and this permission notice appear
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| 9 | // in supporting documentation. The authors make no representations
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| 10 | // about the suitability of this software for any purpose.
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| 11 | // It is provided "as is" without express or implied warranty.
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| 12 | //
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| 13 | // The authors gratefully acknowledge the support of
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| 14 | // GeNeSys mbH & Co. KG in producing this work.
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| 15 | //
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| 16 |
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| 17 | #ifndef _BOOST_UBLAS_TRIANGULAR_
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| 18 | #define _BOOST_UBLAS_TRIANGULAR_
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| 19 |
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| 20 | #include <boost/numeric/ublas/matrix.hpp>
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| 21 | #include <boost/numeric/ublas/detail/temporary.hpp>
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| 22 | #include <boost/type_traits/remove_const.hpp>
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| 23 |
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| 24 | // Iterators based on ideas of Jeremy Siek
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| 25 |
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| 26 | namespace boost { namespace numeric { namespace ublas {
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| 27 |
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| 28 | // Array based triangular matrix class
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| 29 | template<class T, class TRI, class L, class A>
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| 30 | class triangular_matrix:
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| 31 | public matrix_container<triangular_matrix<T, TRI, L, A> > {
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| 32 |
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| 33 | typedef T *pointer;
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| 34 | typedef TRI triangular_type;
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| 35 | typedef L layout_type;
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| 36 | typedef triangular_matrix<T, TRI, L, A> self_type;
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| 37 | public:
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| 38 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
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| 39 | using matrix_container<self_type>::operator ();
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| 40 | #endif
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| 41 | typedef typename A::size_type size_type;
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| 42 | typedef typename A::difference_type difference_type;
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| 43 | typedef T value_type;
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| 44 | typedef const T &const_reference;
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| 45 | typedef T &reference;
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| 46 | typedef A array_type;
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| 47 |
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| 48 | typedef const matrix_reference<const self_type> const_closure_type;
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| 49 | typedef matrix_reference<self_type> closure_type;
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| 50 | typedef vector<T, A> vector_temporary_type;
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| 51 | typedef matrix<T, L, A> matrix_temporary_type; // general sub-matrix
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| 52 | typedef packed_tag storage_category;
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| 53 | typedef typename L::orientation_category orientation_category;
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| 54 |
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| 55 | // Construction and destruction
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| 56 | BOOST_UBLAS_INLINE
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| 57 | triangular_matrix ():
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| 58 | matrix_container<self_type> (),
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| 59 | size1_ (0), size2_ (0), data_ (0) {}
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| 60 | BOOST_UBLAS_INLINE
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| 61 | triangular_matrix (size_type size1, size_type size2):
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| 62 | matrix_container<self_type> (),
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| 63 | size1_ (size1), size2_ (size2), data_ (triangular_type::packed_size (layout_type (), size1, size2)) {
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| 64 | }
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| 65 | BOOST_UBLAS_INLINE
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| 66 | triangular_matrix (size_type size1, size_type size2, const array_type &data):
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| 67 | matrix_container<self_type> (),
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| 68 | size1_ (size1), size2_ (size2), data_ (data) {}
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| 69 | BOOST_UBLAS_INLINE
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| 70 | triangular_matrix (const triangular_matrix &m):
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| 71 | matrix_container<self_type> (),
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| 72 | size1_ (m.size1_), size2_ (m.size2_), data_ (m.data_) {}
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| 73 | template<class AE>
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| 74 | BOOST_UBLAS_INLINE
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| 75 | triangular_matrix (const matrix_expression<AE> &ae):
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| 76 | matrix_container<self_type> (),
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| 77 | size1_ (ae ().size1 ()), size2_ (ae ().size2 ()),
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| 78 | data_ (triangular_type::packed_size (layout_type (), size1_, size2_)) {
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| 79 | matrix_assign<scalar_assign> (*this, ae);
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| 80 | }
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| 81 |
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| 82 | // Accessors
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| 83 | BOOST_UBLAS_INLINE
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| 84 | size_type size1 () const {
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| 85 | return size1_;
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| 86 | }
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| 87 | BOOST_UBLAS_INLINE
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| 88 | size_type size2 () const {
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| 89 | return size2_;
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| 90 | }
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| 91 |
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| 92 | // Storage accessors
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| 93 | BOOST_UBLAS_INLINE
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| 94 | const array_type &data () const {
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| 95 | return data_;
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| 96 | }
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| 97 | BOOST_UBLAS_INLINE
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| 98 | array_type &data () {
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| 99 | return data_;
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| 100 | }
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| 101 |
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| 102 | // Resizing
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| 103 | BOOST_UBLAS_INLINE
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| 104 | void resize (size_type size1, size_type size2, bool preserve = true) {
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| 105 | if (preserve) {
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| 106 | self_type temporary (size1, size2);
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| 107 | detail::matrix_resize_preserve<layout_type> (*this, temporary);
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| 108 | }
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| 109 | else {
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| 110 | data ().resize (triangular_type::packed_size (layout_type (), size1, size2));
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| 111 | size1_ = size1;
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| 112 | size2_ = size2;
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| 113 | }
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| 114 | }
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| 115 | BOOST_UBLAS_INLINE
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| 116 | void resize_packed_preserve (size_type size1, size_type size2) {
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| 117 | size1_ = size1;
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| 118 | size2_ = size2;
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| 119 | data ().resize (triangular_type::packed_size (layout_type (), size1_, size2_), value_type ());
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| 120 | }
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| 121 |
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| 122 | // Element access
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| 123 | BOOST_UBLAS_INLINE
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| 124 | const_reference operator () (size_type i, size_type j) const {
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| 125 | BOOST_UBLAS_CHECK (i < size1_, bad_index ());
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| 126 | BOOST_UBLAS_CHECK (j < size2_, bad_index ());
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| 127 | if (triangular_type::other (i, j))
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| 128 | return data () [triangular_type::element (layout_type (), i, size1_, j, size2_)];
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| 129 | else if (triangular_type::one (i, j))
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| 130 | return one_;
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| 131 | else
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| 132 | return zero_;
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| 133 | }
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| 134 | BOOST_UBLAS_INLINE
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| 135 | reference at_element (size_type i, size_type j) {
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| 136 | BOOST_UBLAS_CHECK (i < size1_, bad_index ());
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| 137 | BOOST_UBLAS_CHECK (j < size2_, bad_index ());
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| 138 | return data () [triangular_type::element (layout_type (), i, size1_, j, size2_)];
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| 139 | }
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| 140 | BOOST_UBLAS_INLINE
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| 141 | reference operator () (size_type i, size_type j) {
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| 142 | BOOST_UBLAS_CHECK (i < size1_, bad_index ());
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| 143 | BOOST_UBLAS_CHECK (j < size2_, bad_index ());
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| 144 | if (triangular_type::other (i, j))
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| 145 | return data () [triangular_type::element (layout_type (), i, size1_, j, size2_)];
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| 146 | else {
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| 147 | bad_index ().raise ();
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| 148 | // arbitary return value
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| 149 | return const_cast<reference>(zero_);
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| 150 | }
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| 151 | }
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| 152 |
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| 153 | // Element assignment
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| 154 | BOOST_UBLAS_INLINE
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| 155 | reference insert_element (size_type i, size_type j, const_reference t) {
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| 156 | return (operator () (i, j) = t);
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| 157 | }
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| 158 | BOOST_UBLAS_INLINE
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| 159 | void erase_element (size_type i, size_type j) {
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| 160 | operator () (i, j) = value_type/*zero*/();
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| 161 | }
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| 162 |
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| 163 | // Zeroing
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| 164 | BOOST_UBLAS_INLINE
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| 165 | void clear () {
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| 166 | // data ().clear ();
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| 167 | std::fill (data ().begin (), data ().end (), value_type/*zero*/());
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| 168 | }
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| 169 |
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| 170 | // Assignment
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| 171 | BOOST_UBLAS_INLINE
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| 172 | triangular_matrix &operator = (const triangular_matrix &m) {
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| 173 | size1_ = m.size1_;
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| 174 | size2_ = m.size2_;
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| 175 | data () = m.data ();
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| 176 | return *this;
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| 177 | }
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| 178 | BOOST_UBLAS_INLINE
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| 179 | triangular_matrix &assign_temporary (triangular_matrix &m) {
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| 180 | swap (m);
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| 181 | return *this;
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| 182 | }
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| 183 | template<class AE>
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| 184 | BOOST_UBLAS_INLINE
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| 185 | triangular_matrix &operator = (const matrix_expression<AE> &ae) {
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| 186 | self_type temporary (ae);
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| 187 | return assign_temporary (temporary);
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| 188 | }
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| 189 | template<class AE>
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| 190 | BOOST_UBLAS_INLINE
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| 191 | triangular_matrix &assign (const matrix_expression<AE> &ae) {
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| 192 | matrix_assign<scalar_assign> (*this, ae);
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| 193 | return *this;
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| 194 | }
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| 195 | template<class AE>
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| 196 | BOOST_UBLAS_INLINE
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| 197 | triangular_matrix& operator += (const matrix_expression<AE> &ae) {
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| 198 | self_type temporary (*this + ae);
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| 199 | return assign_temporary (temporary);
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| 200 | }
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| 201 | template<class AE>
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| 202 | BOOST_UBLAS_INLINE
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| 203 | triangular_matrix &plus_assign (const matrix_expression<AE> &ae) {
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| 204 | matrix_assign<scalar_plus_assign> (*this, ae);
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| 205 | return *this;
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| 206 | }
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| 207 | template<class AE>
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| 208 | BOOST_UBLAS_INLINE
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| 209 | triangular_matrix& operator -= (const matrix_expression<AE> &ae) {
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| 210 | self_type temporary (*this - ae);
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| 211 | return assign_temporary (temporary);
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| 212 | }
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| 213 | template<class AE>
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| 214 | BOOST_UBLAS_INLINE
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| 215 | triangular_matrix &minus_assign (const matrix_expression<AE> &ae) {
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| 216 | matrix_assign<scalar_minus_assign> (*this, ae);
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| 217 | return *this;
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| 218 | }
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| 219 | template<class AT>
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| 220 | BOOST_UBLAS_INLINE
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| 221 | triangular_matrix& operator *= (const AT &at) {
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| 222 | matrix_assign_scalar<scalar_multiplies_assign> (*this, at);
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| 223 | return *this;
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| 224 | }
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| 225 | template<class AT>
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| 226 | BOOST_UBLAS_INLINE
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| 227 | triangular_matrix& operator /= (const AT &at) {
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| 228 | matrix_assign_scalar<scalar_divides_assign> (*this, at);
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| 229 | return *this;
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| 230 | }
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| 231 |
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| 232 | // Swapping
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| 233 | BOOST_UBLAS_INLINE
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| 234 | void swap (triangular_matrix &m) {
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| 235 | if (this != &m) {
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| 236 | // BOOST_UBLAS_CHECK (size2_ == m.size2_, bad_size ());
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| 237 | std::swap (size1_, m.size1_);
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| 238 | std::swap (size2_, m.size2_);
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| 239 | data ().swap (m.data ());
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| 240 | }
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| 241 | }
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| 242 | BOOST_UBLAS_INLINE
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| 243 | friend void swap (triangular_matrix &m1, triangular_matrix &m2) {
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| 244 | m1.swap (m2);
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| 245 | }
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| 246 |
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| 247 | // Iterator types
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| 248 | #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
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| 249 | typedef indexed_iterator1<self_type, packed_random_access_iterator_tag> iterator1;
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| 250 | typedef indexed_iterator2<self_type, packed_random_access_iterator_tag> iterator2;
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| 251 | typedef indexed_const_iterator1<self_type, packed_random_access_iterator_tag> const_iterator1;
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| 252 | typedef indexed_const_iterator2<self_type, packed_random_access_iterator_tag> const_iterator2;
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| 253 | #else
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| 254 | class const_iterator1;
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| 255 | class iterator1;
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| 256 | class const_iterator2;
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| 257 | class iterator2;
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| 258 | #endif
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| 259 | typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
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| 260 | typedef reverse_iterator_base1<iterator1> reverse_iterator1;
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| 261 | typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
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| 262 | typedef reverse_iterator_base2<iterator2> reverse_iterator2;
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| 263 |
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| 264 | // Element lookup
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| 265 | BOOST_UBLAS_INLINE
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| 266 | const_iterator1 find1 (int rank, size_type i, size_type j) const {
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| 267 | if (rank == 1)
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| 268 | i = triangular_type::restrict1 (i, j);
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| 269 | return const_iterator1 (*this, i, j);
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| 270 | }
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| 271 | BOOST_UBLAS_INLINE
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| 272 | iterator1 find1 (int rank, size_type i, size_type j) {
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| 273 | if (rank == 1)
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| 274 | i = triangular_type::mutable_restrict1 (i, j);
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| 275 | return iterator1 (*this, i, j);
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| 276 | }
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| 277 | BOOST_UBLAS_INLINE
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| 278 | const_iterator2 find2 (int rank, size_type i, size_type j) const {
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| 279 | if (rank == 1)
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| 280 | j = triangular_type::restrict2 (i, j);
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| 281 | return const_iterator2 (*this, i, j);
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| 282 | }
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| 283 | BOOST_UBLAS_INLINE
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| 284 | iterator2 find2 (int rank, size_type i, size_type j) {
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| 285 | if (rank == 1)
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| 286 | j = triangular_type::mutable_restrict2 (i, j);
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| 287 | return iterator2 (*this, i, j);
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| 288 | }
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| 289 |
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| 290 | // Iterators simply are indices.
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| 291 |
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| 292 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
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| 293 | class const_iterator1:
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| 294 | public container_const_reference<triangular_matrix>,
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| 295 | public random_access_iterator_base<packed_random_access_iterator_tag,
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| 296 | const_iterator1, value_type> {
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| 297 | public:
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| 298 | typedef typename triangular_matrix::value_type value_type;
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| 299 | typedef typename triangular_matrix::difference_type difference_type;
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| 300 | typedef typename triangular_matrix::const_reference reference;
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| 301 | typedef const typename triangular_matrix::pointer pointer;
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| 302 |
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| 303 | typedef const_iterator2 dual_iterator_type;
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| 304 | typedef const_reverse_iterator2 dual_reverse_iterator_type;
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| 305 |
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| 306 | // Construction and destruction
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| 307 | BOOST_UBLAS_INLINE
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| 308 | const_iterator1 ():
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| 309 | container_const_reference<self_type> (), it1_ (), it2_ () {}
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| 310 | BOOST_UBLAS_INLINE
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| 311 | const_iterator1 (const self_type &m, size_type it1, size_type it2):
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| 312 | container_const_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
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| 313 | BOOST_UBLAS_INLINE
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| 314 | const_iterator1 (const iterator1 &it):
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| 315 | container_const_reference<self_type> (it ()), it1_ (it.it1_), it2_ (it.it2_) {}
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| 316 |
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| 317 | // Arithmetic
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| 318 | BOOST_UBLAS_INLINE
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| 319 | const_iterator1 &operator ++ () {
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| 320 | ++ it1_;
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| 321 | return *this;
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| 322 | }
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| 323 | BOOST_UBLAS_INLINE
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| 324 | const_iterator1 &operator -- () {
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| 325 | -- it1_;
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| 326 | return *this;
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| 327 | }
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| 328 | BOOST_UBLAS_INLINE
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| 329 | const_iterator1 &operator += (difference_type n) {
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| 330 | it1_ += n;
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| 331 | return *this;
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| 332 | }
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| 333 | BOOST_UBLAS_INLINE
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| 334 | const_iterator1 &operator -= (difference_type n) {
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| 335 | it1_ -= n;
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| 336 | return *this;
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| 337 | }
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| 338 | BOOST_UBLAS_INLINE
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| 339 | difference_type operator - (const const_iterator1 &it) const {
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| 340 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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| 341 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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| 342 | return it1_ - it.it1_;
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| 343 | }
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| 344 |
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| 345 | // Dereference
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| 346 | BOOST_UBLAS_INLINE
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| 347 | const_reference operator * () const {
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| 348 | return (*this) () (it1_, it2_);
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| 349 | }
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| 350 |
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| 351 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
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| 352 | BOOST_UBLAS_INLINE
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| 353 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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| 354 | typename self_type::
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| 355 | #endif
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| 356 | const_iterator2 begin () const {
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| 357 | return (*this) ().find2 (1, it1_, 0);
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| 358 | }
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| 359 | BOOST_UBLAS_INLINE
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| 360 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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| 361 | typename self_type::
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| 362 | #endif
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| 363 | const_iterator2 end () const {
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| 364 | return (*this) ().find2 (1, it1_, (*this) ().size2 ());
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| 365 | }
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| 366 | BOOST_UBLAS_INLINE
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| 367 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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| 368 | typename self_type::
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| 369 | #endif
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| 370 | const_reverse_iterator2 rbegin () const {
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| 371 | return const_reverse_iterator2 (end ());
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| 372 | }
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| 373 | BOOST_UBLAS_INLINE
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| 374 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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| 375 | typename self_type::
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| 376 | #endif
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| 377 | const_reverse_iterator2 rend () const {
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| 378 | return const_reverse_iterator2 (begin ());
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| 379 | }
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| 380 | #endif
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| 381 |
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| 382 | // Indices
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| 383 | BOOST_UBLAS_INLINE
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| 384 | size_type index1 () const {
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| 385 | return it1_;
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| 386 | }
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| 387 | BOOST_UBLAS_INLINE
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| 388 | size_type index2 () const {
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| 389 | return it2_;
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| 390 | }
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| 391 |
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| 392 | // Assignment
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| 393 | BOOST_UBLAS_INLINE
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| 394 | const_iterator1 &operator = (const const_iterator1 &it) {
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| 395 | container_const_reference<self_type>::assign (&it ());
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| 396 | it1_ = it.it1_;
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| 397 | it2_ = it.it2_;
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| 398 | return *this;
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| 399 | }
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| 400 |
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| 401 | // Comparison
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| 402 | BOOST_UBLAS_INLINE
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| 403 | bool operator == (const const_iterator1 &it) const {
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| 404 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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| 405 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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| 406 | return it1_ == it.it1_;
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| 407 | }
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| 408 | BOOST_UBLAS_INLINE
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| 409 | bool operator < (const const_iterator1 &it) const {
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| 410 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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| 411 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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| 412 | return it1_ < it.it1_;
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| 413 | }
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| 414 |
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| 415 | private:
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| 416 | size_type it1_;
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| 417 | size_type it2_;
|
---|
| 418 | };
|
---|
| 419 | #endif
|
---|
| 420 |
|
---|
| 421 | BOOST_UBLAS_INLINE
|
---|
| 422 | const_iterator1 begin1 () const {
|
---|
| 423 | return find1 (0, 0, 0);
|
---|
| 424 | }
|
---|
| 425 | BOOST_UBLAS_INLINE
|
---|
| 426 | const_iterator1 end1 () const {
|
---|
| 427 | return find1 (0, size1_, 0);
|
---|
| 428 | }
|
---|
| 429 |
|
---|
| 430 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 431 | class iterator1:
|
---|
| 432 | public container_reference<triangular_matrix>,
|
---|
| 433 | public random_access_iterator_base<packed_random_access_iterator_tag,
|
---|
| 434 | iterator1, value_type> {
|
---|
| 435 | public:
|
---|
| 436 | typedef typename triangular_matrix::value_type value_type;
|
---|
| 437 | typedef typename triangular_matrix::difference_type difference_type;
|
---|
| 438 | typedef typename triangular_matrix::reference reference;
|
---|
| 439 | typedef typename triangular_matrix::pointer pointer;
|
---|
| 440 |
|
---|
| 441 | typedef iterator2 dual_iterator_type;
|
---|
| 442 | typedef reverse_iterator2 dual_reverse_iterator_type;
|
---|
| 443 |
|
---|
| 444 | // Construction and destruction
|
---|
| 445 | BOOST_UBLAS_INLINE
|
---|
| 446 | iterator1 ():
|
---|
| 447 | container_reference<self_type> (), it1_ (), it2_ () {}
|
---|
| 448 | BOOST_UBLAS_INLINE
|
---|
| 449 | iterator1 (self_type &m, size_type it1, size_type it2):
|
---|
| 450 | container_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
---|
| 451 |
|
---|
| 452 | // Arithmetic
|
---|
| 453 | BOOST_UBLAS_INLINE
|
---|
| 454 | iterator1 &operator ++ () {
|
---|
| 455 | ++ it1_;
|
---|
| 456 | return *this;
|
---|
| 457 | }
|
---|
| 458 | BOOST_UBLAS_INLINE
|
---|
| 459 | iterator1 &operator -- () {
|
---|
| 460 | -- it1_;
|
---|
| 461 | return *this;
|
---|
| 462 | }
|
---|
| 463 | BOOST_UBLAS_INLINE
|
---|
| 464 | iterator1 &operator += (difference_type n) {
|
---|
| 465 | it1_ += n;
|
---|
| 466 | return *this;
|
---|
| 467 | }
|
---|
| 468 | BOOST_UBLAS_INLINE
|
---|
| 469 | iterator1 &operator -= (difference_type n) {
|
---|
| 470 | it1_ -= n;
|
---|
| 471 | return *this;
|
---|
| 472 | }
|
---|
| 473 | BOOST_UBLAS_INLINE
|
---|
| 474 | difference_type operator - (const iterator1 &it) const {
|
---|
| 475 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 476 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
---|
| 477 | return it1_ - it.it1_;
|
---|
| 478 | }
|
---|
| 479 |
|
---|
| 480 | // Dereference
|
---|
| 481 | BOOST_UBLAS_INLINE
|
---|
| 482 | reference operator * () const {
|
---|
| 483 | return (*this) () (it1_, it2_);
|
---|
| 484 | }
|
---|
| 485 |
|
---|
| 486 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 487 | BOOST_UBLAS_INLINE
|
---|
| 488 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 489 | typename self_type::
|
---|
| 490 | #endif
|
---|
| 491 | iterator2 begin () const {
|
---|
| 492 | return (*this) ().find2 (1, it1_, 0);
|
---|
| 493 | }
|
---|
| 494 | BOOST_UBLAS_INLINE
|
---|
| 495 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 496 | typename self_type::
|
---|
| 497 | #endif
|
---|
| 498 | iterator2 end () const {
|
---|
| 499 | return (*this) ().find2 (1, it1_, (*this) ().size2 ());
|
---|
| 500 | }
|
---|
| 501 | BOOST_UBLAS_INLINE
|
---|
| 502 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 503 | typename self_type::
|
---|
| 504 | #endif
|
---|
| 505 | reverse_iterator2 rbegin () const {
|
---|
| 506 | return reverse_iterator2 (end ());
|
---|
| 507 | }
|
---|
| 508 | BOOST_UBLAS_INLINE
|
---|
| 509 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 510 | typename self_type::
|
---|
| 511 | #endif
|
---|
| 512 | reverse_iterator2 rend () const {
|
---|
| 513 | return reverse_iterator2 (begin ());
|
---|
| 514 | }
|
---|
| 515 | #endif
|
---|
| 516 |
|
---|
| 517 | // Indices
|
---|
| 518 | BOOST_UBLAS_INLINE
|
---|
| 519 | size_type index1 () const {
|
---|
| 520 | return it1_;
|
---|
| 521 | }
|
---|
| 522 | BOOST_UBLAS_INLINE
|
---|
| 523 | size_type index2 () const {
|
---|
| 524 | return it2_;
|
---|
| 525 | }
|
---|
| 526 |
|
---|
| 527 | // Assignment
|
---|
| 528 | BOOST_UBLAS_INLINE
|
---|
| 529 | iterator1 &operator = (const iterator1 &it) {
|
---|
| 530 | container_reference<self_type>::assign (&it ());
|
---|
| 531 | it1_ = it.it1_;
|
---|
| 532 | it2_ = it.it2_;
|
---|
| 533 | return *this;
|
---|
| 534 | }
|
---|
| 535 |
|
---|
| 536 | // Comparison
|
---|
| 537 | BOOST_UBLAS_INLINE
|
---|
| 538 | bool operator == (const iterator1 &it) const {
|
---|
| 539 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 540 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
---|
| 541 | return it1_ == it.it1_;
|
---|
| 542 | }
|
---|
| 543 | BOOST_UBLAS_INLINE
|
---|
| 544 | bool operator < (const iterator1 &it) const {
|
---|
| 545 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 546 | BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
---|
| 547 | return it1_ < it.it1_;
|
---|
| 548 | }
|
---|
| 549 |
|
---|
| 550 | private:
|
---|
| 551 | size_type it1_;
|
---|
| 552 | size_type it2_;
|
---|
| 553 |
|
---|
| 554 | friend class const_iterator1;
|
---|
| 555 | };
|
---|
| 556 | #endif
|
---|
| 557 |
|
---|
| 558 | BOOST_UBLAS_INLINE
|
---|
| 559 | iterator1 begin1 () {
|
---|
| 560 | return find1 (0, 0, 0);
|
---|
| 561 | }
|
---|
| 562 | BOOST_UBLAS_INLINE
|
---|
| 563 | iterator1 end1 () {
|
---|
| 564 | return find1 (0, size1_, 0);
|
---|
| 565 | }
|
---|
| 566 |
|
---|
| 567 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 568 | class const_iterator2:
|
---|
| 569 | public container_const_reference<triangular_matrix>,
|
---|
| 570 | public random_access_iterator_base<packed_random_access_iterator_tag,
|
---|
| 571 | const_iterator2, value_type> {
|
---|
| 572 | public:
|
---|
| 573 | typedef typename triangular_matrix::value_type value_type;
|
---|
| 574 | typedef typename triangular_matrix::difference_type difference_type;
|
---|
| 575 | typedef typename triangular_matrix::const_reference reference;
|
---|
| 576 | typedef const typename triangular_matrix::pointer pointer;
|
---|
| 577 |
|
---|
| 578 | typedef const_iterator1 dual_iterator_type;
|
---|
| 579 | typedef const_reverse_iterator1 dual_reverse_iterator_type;
|
---|
| 580 |
|
---|
| 581 | // Construction and destruction
|
---|
| 582 | BOOST_UBLAS_INLINE
|
---|
| 583 | const_iterator2 ():
|
---|
| 584 | container_const_reference<self_type> (), it1_ (), it2_ () {}
|
---|
| 585 | BOOST_UBLAS_INLINE
|
---|
| 586 | const_iterator2 (const self_type &m, size_type it1, size_type it2):
|
---|
| 587 | container_const_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
---|
| 588 | BOOST_UBLAS_INLINE
|
---|
| 589 | const_iterator2 (const iterator2 &it):
|
---|
| 590 | container_const_reference<self_type> (it ()), it1_ (it.it1_), it2_ (it.it2_) {}
|
---|
| 591 |
|
---|
| 592 | // Arithmetic
|
---|
| 593 | BOOST_UBLAS_INLINE
|
---|
| 594 | const_iterator2 &operator ++ () {
|
---|
| 595 | ++ it2_;
|
---|
| 596 | return *this;
|
---|
| 597 | }
|
---|
| 598 | BOOST_UBLAS_INLINE
|
---|
| 599 | const_iterator2 &operator -- () {
|
---|
| 600 | -- it2_;
|
---|
| 601 | return *this;
|
---|
| 602 | }
|
---|
| 603 | BOOST_UBLAS_INLINE
|
---|
| 604 | const_iterator2 &operator += (difference_type n) {
|
---|
| 605 | it2_ += n;
|
---|
| 606 | return *this;
|
---|
| 607 | }
|
---|
| 608 | BOOST_UBLAS_INLINE
|
---|
| 609 | const_iterator2 &operator -= (difference_type n) {
|
---|
| 610 | it2_ -= n;
|
---|
| 611 | return *this;
|
---|
| 612 | }
|
---|
| 613 | BOOST_UBLAS_INLINE
|
---|
| 614 | difference_type operator - (const const_iterator2 &it) const {
|
---|
| 615 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 616 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 617 | return it2_ - it.it2_;
|
---|
| 618 | }
|
---|
| 619 |
|
---|
| 620 | // Dereference
|
---|
| 621 | BOOST_UBLAS_INLINE
|
---|
| 622 | const_reference operator * () const {
|
---|
| 623 | return (*this) () (it1_, it2_);
|
---|
| 624 | }
|
---|
| 625 |
|
---|
| 626 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 627 | BOOST_UBLAS_INLINE
|
---|
| 628 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 629 | typename self_type::
|
---|
| 630 | #endif
|
---|
| 631 | const_iterator1 begin () const {
|
---|
| 632 | return (*this) ().find1 (1, 0, it2_);
|
---|
| 633 | }
|
---|
| 634 | BOOST_UBLAS_INLINE
|
---|
| 635 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 636 | typename self_type::
|
---|
| 637 | #endif
|
---|
| 638 | const_iterator1 end () const {
|
---|
| 639 | return (*this) ().find1 (1, (*this) ().size1 (), it2_);
|
---|
| 640 | }
|
---|
| 641 | BOOST_UBLAS_INLINE
|
---|
| 642 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 643 | typename self_type::
|
---|
| 644 | #endif
|
---|
| 645 | const_reverse_iterator1 rbegin () const {
|
---|
| 646 | return const_reverse_iterator1 (end ());
|
---|
| 647 | }
|
---|
| 648 | BOOST_UBLAS_INLINE
|
---|
| 649 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 650 | typename self_type::
|
---|
| 651 | #endif
|
---|
| 652 | const_reverse_iterator1 rend () const {
|
---|
| 653 | return const_reverse_iterator1 (begin ());
|
---|
| 654 | }
|
---|
| 655 | #endif
|
---|
| 656 |
|
---|
| 657 | // Indices
|
---|
| 658 | BOOST_UBLAS_INLINE
|
---|
| 659 | size_type index1 () const {
|
---|
| 660 | return it1_;
|
---|
| 661 | }
|
---|
| 662 | BOOST_UBLAS_INLINE
|
---|
| 663 | size_type index2 () const {
|
---|
| 664 | return it2_;
|
---|
| 665 | }
|
---|
| 666 |
|
---|
| 667 | // Assignment
|
---|
| 668 | BOOST_UBLAS_INLINE
|
---|
| 669 | const_iterator2 &operator = (const const_iterator2 &it) {
|
---|
| 670 | container_const_reference<self_type>::assign (&it ());
|
---|
| 671 | it1_ = it.it1_;
|
---|
| 672 | it2_ = it.it2_;
|
---|
| 673 | return *this;
|
---|
| 674 | }
|
---|
| 675 |
|
---|
| 676 | // Comparison
|
---|
| 677 | BOOST_UBLAS_INLINE
|
---|
| 678 | bool operator == (const const_iterator2 &it) const {
|
---|
| 679 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 680 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 681 | return it2_ == it.it2_;
|
---|
| 682 | }
|
---|
| 683 | BOOST_UBLAS_INLINE
|
---|
| 684 | bool operator < (const const_iterator2 &it) const {
|
---|
| 685 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 686 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 687 | return it2_ < it.it2_;
|
---|
| 688 | }
|
---|
| 689 |
|
---|
| 690 | private:
|
---|
| 691 | size_type it1_;
|
---|
| 692 | size_type it2_;
|
---|
| 693 | };
|
---|
| 694 | #endif
|
---|
| 695 |
|
---|
| 696 | BOOST_UBLAS_INLINE
|
---|
| 697 | const_iterator2 begin2 () const {
|
---|
| 698 | return find2 (0, 0, 0);
|
---|
| 699 | }
|
---|
| 700 | BOOST_UBLAS_INLINE
|
---|
| 701 | const_iterator2 end2 () const {
|
---|
| 702 | return find2 (0, 0, size2_);
|
---|
| 703 | }
|
---|
| 704 |
|
---|
| 705 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 706 | class iterator2:
|
---|
| 707 | public container_reference<triangular_matrix>,
|
---|
| 708 | public random_access_iterator_base<packed_random_access_iterator_tag,
|
---|
| 709 | iterator2, value_type> {
|
---|
| 710 | public:
|
---|
| 711 | typedef typename triangular_matrix::value_type value_type;
|
---|
| 712 | typedef typename triangular_matrix::difference_type difference_type;
|
---|
| 713 | typedef typename triangular_matrix::reference reference;
|
---|
| 714 | typedef typename triangular_matrix::pointer pointer;
|
---|
| 715 |
|
---|
| 716 | typedef iterator1 dual_iterator_type;
|
---|
| 717 | typedef reverse_iterator1 dual_reverse_iterator_type;
|
---|
| 718 |
|
---|
| 719 | // Construction and destruction
|
---|
| 720 | BOOST_UBLAS_INLINE
|
---|
| 721 | iterator2 ():
|
---|
| 722 | container_reference<self_type> (), it1_ (), it2_ () {}
|
---|
| 723 | BOOST_UBLAS_INLINE
|
---|
| 724 | iterator2 (self_type &m, size_type it1, size_type it2):
|
---|
| 725 | container_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
---|
| 726 |
|
---|
| 727 | // Arithmetic
|
---|
| 728 | BOOST_UBLAS_INLINE
|
---|
| 729 | iterator2 &operator ++ () {
|
---|
| 730 | ++ it2_;
|
---|
| 731 | return *this;
|
---|
| 732 | }
|
---|
| 733 | BOOST_UBLAS_INLINE
|
---|
| 734 | iterator2 &operator -- () {
|
---|
| 735 | -- it2_;
|
---|
| 736 | return *this;
|
---|
| 737 | }
|
---|
| 738 | BOOST_UBLAS_INLINE
|
---|
| 739 | iterator2 &operator += (difference_type n) {
|
---|
| 740 | it2_ += n;
|
---|
| 741 | return *this;
|
---|
| 742 | }
|
---|
| 743 | BOOST_UBLAS_INLINE
|
---|
| 744 | iterator2 &operator -= (difference_type n) {
|
---|
| 745 | it2_ -= n;
|
---|
| 746 | return *this;
|
---|
| 747 | }
|
---|
| 748 | BOOST_UBLAS_INLINE
|
---|
| 749 | difference_type operator - (const iterator2 &it) const {
|
---|
| 750 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 751 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 752 | return it2_ - it.it2_;
|
---|
| 753 | }
|
---|
| 754 |
|
---|
| 755 | // Dereference
|
---|
| 756 | BOOST_UBLAS_INLINE
|
---|
| 757 | reference operator * () const {
|
---|
| 758 | return (*this) () (it1_, it2_);
|
---|
| 759 | }
|
---|
| 760 |
|
---|
| 761 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 762 | BOOST_UBLAS_INLINE
|
---|
| 763 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 764 | typename self_type::
|
---|
| 765 | #endif
|
---|
| 766 | iterator1 begin () const {
|
---|
| 767 | return (*this) ().find1 (1, 0, it2_);
|
---|
| 768 | }
|
---|
| 769 | BOOST_UBLAS_INLINE
|
---|
| 770 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 771 | typename self_type::
|
---|
| 772 | #endif
|
---|
| 773 | iterator1 end () const {
|
---|
| 774 | return (*this) ().find1 (1, (*this) ().size1 (), it2_);
|
---|
| 775 | }
|
---|
| 776 | BOOST_UBLAS_INLINE
|
---|
| 777 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 778 | typename self_type::
|
---|
| 779 | #endif
|
---|
| 780 | reverse_iterator1 rbegin () const {
|
---|
| 781 | return reverse_iterator1 (end ());
|
---|
| 782 | }
|
---|
| 783 | BOOST_UBLAS_INLINE
|
---|
| 784 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 785 | typename self_type::
|
---|
| 786 | #endif
|
---|
| 787 | reverse_iterator1 rend () const {
|
---|
| 788 | return reverse_iterator1 (begin ());
|
---|
| 789 | }
|
---|
| 790 | #endif
|
---|
| 791 |
|
---|
| 792 | // Indices
|
---|
| 793 | BOOST_UBLAS_INLINE
|
---|
| 794 | size_type index1 () const {
|
---|
| 795 | return it1_;
|
---|
| 796 | }
|
---|
| 797 | BOOST_UBLAS_INLINE
|
---|
| 798 | size_type index2 () const {
|
---|
| 799 | return it2_;
|
---|
| 800 | }
|
---|
| 801 |
|
---|
| 802 | // Assignment
|
---|
| 803 | BOOST_UBLAS_INLINE
|
---|
| 804 | iterator2 &operator = (const iterator2 &it) {
|
---|
| 805 | container_reference<self_type>::assign (&it ());
|
---|
| 806 | it1_ = it.it1_;
|
---|
| 807 | it2_ = it.it2_;
|
---|
| 808 | return *this;
|
---|
| 809 | }
|
---|
| 810 |
|
---|
| 811 | // Comparison
|
---|
| 812 | BOOST_UBLAS_INLINE
|
---|
| 813 | bool operator == (const iterator2 &it) const {
|
---|
| 814 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 815 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 816 | return it2_ == it.it2_;
|
---|
| 817 | }
|
---|
| 818 | BOOST_UBLAS_INLINE
|
---|
| 819 | bool operator < (const iterator2 &it) const {
|
---|
| 820 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 821 | BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
---|
| 822 | return it2_ < it.it2_;
|
---|
| 823 | }
|
---|
| 824 |
|
---|
| 825 | private:
|
---|
| 826 | size_type it1_;
|
---|
| 827 | size_type it2_;
|
---|
| 828 |
|
---|
| 829 | friend class const_iterator2;
|
---|
| 830 | };
|
---|
| 831 | #endif
|
---|
| 832 |
|
---|
| 833 | BOOST_UBLAS_INLINE
|
---|
| 834 | iterator2 begin2 () {
|
---|
| 835 | return find2 (0, 0, 0);
|
---|
| 836 | }
|
---|
| 837 | BOOST_UBLAS_INLINE
|
---|
| 838 | iterator2 end2 () {
|
---|
| 839 | return find2 (0, 0, size2_);
|
---|
| 840 | }
|
---|
| 841 |
|
---|
| 842 | // Reverse iterators
|
---|
| 843 |
|
---|
| 844 | BOOST_UBLAS_INLINE
|
---|
| 845 | const_reverse_iterator1 rbegin1 () const {
|
---|
| 846 | return const_reverse_iterator1 (end1 ());
|
---|
| 847 | }
|
---|
| 848 | BOOST_UBLAS_INLINE
|
---|
| 849 | const_reverse_iterator1 rend1 () const {
|
---|
| 850 | return const_reverse_iterator1 (begin1 ());
|
---|
| 851 | }
|
---|
| 852 |
|
---|
| 853 | BOOST_UBLAS_INLINE
|
---|
| 854 | reverse_iterator1 rbegin1 () {
|
---|
| 855 | return reverse_iterator1 (end1 ());
|
---|
| 856 | }
|
---|
| 857 | BOOST_UBLAS_INLINE
|
---|
| 858 | reverse_iterator1 rend1 () {
|
---|
| 859 | return reverse_iterator1 (begin1 ());
|
---|
| 860 | }
|
---|
| 861 |
|
---|
| 862 | BOOST_UBLAS_INLINE
|
---|
| 863 | const_reverse_iterator2 rbegin2 () const {
|
---|
| 864 | return const_reverse_iterator2 (end2 ());
|
---|
| 865 | }
|
---|
| 866 | BOOST_UBLAS_INLINE
|
---|
| 867 | const_reverse_iterator2 rend2 () const {
|
---|
| 868 | return const_reverse_iterator2 (begin2 ());
|
---|
| 869 | }
|
---|
| 870 |
|
---|
| 871 | BOOST_UBLAS_INLINE
|
---|
| 872 | reverse_iterator2 rbegin2 () {
|
---|
| 873 | return reverse_iterator2 (end2 ());
|
---|
| 874 | }
|
---|
| 875 | BOOST_UBLAS_INLINE
|
---|
| 876 | reverse_iterator2 rend2 () {
|
---|
| 877 | return reverse_iterator2 (begin2 ());
|
---|
| 878 | }
|
---|
| 879 |
|
---|
| 880 | private:
|
---|
| 881 | size_type size1_;
|
---|
| 882 | size_type size2_;
|
---|
| 883 | array_type data_;
|
---|
| 884 | static const value_type zero_;
|
---|
| 885 | static const value_type one_;
|
---|
| 886 | };
|
---|
| 887 |
|
---|
| 888 | template<class T, class TRI, class L, class A>
|
---|
| 889 | const typename triangular_matrix<T, TRI, L, A>::value_type triangular_matrix<T, TRI, L, A>::zero_ = value_type/*zero*/();
|
---|
| 890 | template<class T, class TRI, class L, class A>
|
---|
| 891 | const typename triangular_matrix<T, TRI, L, A>::value_type triangular_matrix<T, TRI, L, A>::one_ (1);
|
---|
| 892 |
|
---|
| 893 | // TODO These traits overloads seem to do no more then generic defition
|
---|
| 894 | template <class T, class TRI, class L, class A>
|
---|
| 895 | struct vector_temporary_traits< triangular_matrix<T, TRI, L, A> > {
|
---|
| 896 | typedef typename triangular_matrix<T, TRI, L, A>::vector_temporary_type type ;
|
---|
| 897 | };
|
---|
| 898 |
|
---|
| 899 | template <class T, class TRI, class L, class A>
|
---|
| 900 | struct matrix_temporary_traits< triangular_matrix<T, TRI, L, A> > {
|
---|
| 901 | typedef typename triangular_matrix<T, TRI, L, A>::matrix_temporary_type type ;
|
---|
| 902 | };
|
---|
| 903 |
|
---|
| 904 |
|
---|
| 905 | // Triangular matrix adaptor class
|
---|
| 906 | template<class M, class TRI>
|
---|
| 907 | class triangular_adaptor:
|
---|
| 908 | public matrix_expression<triangular_adaptor<M, TRI> > {
|
---|
| 909 |
|
---|
| 910 | typedef triangular_adaptor<M, TRI> self_type;
|
---|
| 911 |
|
---|
| 912 | public:
|
---|
| 913 | #ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
|
---|
| 914 | using matrix_expression<self_type>::operator ();
|
---|
| 915 | #endif
|
---|
| 916 | typedef const M const_matrix_type;
|
---|
| 917 | typedef M matrix_type;
|
---|
| 918 | typedef TRI triangular_type;
|
---|
| 919 | typedef typename M::size_type size_type;
|
---|
| 920 | typedef typename M::difference_type difference_type;
|
---|
| 921 | typedef typename M::value_type value_type;
|
---|
| 922 | typedef typename M::const_reference const_reference;
|
---|
| 923 | typedef typename boost::mpl::if_<boost::is_const<M>,
|
---|
| 924 | typename M::const_reference,
|
---|
| 925 | typename M::reference>::type reference;
|
---|
| 926 | typedef typename boost::mpl::if_<boost::is_const<M>,
|
---|
| 927 | typename M::const_closure_type,
|
---|
| 928 | typename M::closure_type>::type matrix_closure_type;
|
---|
| 929 | typedef const self_type const_closure_type;
|
---|
| 930 | typedef self_type closure_type;
|
---|
| 931 | // Replaced by _temporary_traits to avoid type requirements on M
|
---|
| 932 | //typedef typename M::vector_temporary_type vector_temporary_type;
|
---|
| 933 | //typedef typename M::matrix_temporary_type matrix_temporary_type;
|
---|
| 934 | typedef typename storage_restrict_traits<typename M::storage_category,
|
---|
| 935 | packed_proxy_tag>::storage_category storage_category;
|
---|
| 936 | typedef typename M::orientation_category orientation_category;
|
---|
| 937 |
|
---|
| 938 | // Construction and destruction
|
---|
| 939 | BOOST_UBLAS_INLINE
|
---|
| 940 | triangular_adaptor (matrix_type &data):
|
---|
| 941 | matrix_expression<self_type> (),
|
---|
| 942 | data_ (data) {}
|
---|
| 943 | BOOST_UBLAS_INLINE
|
---|
| 944 | triangular_adaptor (const triangular_adaptor &m):
|
---|
| 945 | matrix_expression<self_type> (),
|
---|
| 946 | data_ (m.data_) {}
|
---|
| 947 |
|
---|
| 948 | // Accessors
|
---|
| 949 | BOOST_UBLAS_INLINE
|
---|
| 950 | size_type size1 () const {
|
---|
| 951 | return data_.size1 ();
|
---|
| 952 | }
|
---|
| 953 | BOOST_UBLAS_INLINE
|
---|
| 954 | size_type size2 () const {
|
---|
| 955 | return data_.size2 ();
|
---|
| 956 | }
|
---|
| 957 |
|
---|
| 958 | // Storage accessors
|
---|
| 959 | BOOST_UBLAS_INLINE
|
---|
| 960 | const matrix_closure_type &data () const {
|
---|
| 961 | return data_;
|
---|
| 962 | }
|
---|
| 963 | BOOST_UBLAS_INLINE
|
---|
| 964 | matrix_closure_type &data () {
|
---|
| 965 | return data_;
|
---|
| 966 | }
|
---|
| 967 |
|
---|
| 968 | // Element access
|
---|
| 969 | #ifndef BOOST_UBLAS_PROXY_CONST_MEMBER
|
---|
| 970 | BOOST_UBLAS_INLINE
|
---|
| 971 | const_reference operator () (size_type i, size_type j) const {
|
---|
| 972 | BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
---|
| 973 | BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
---|
| 974 | if (triangular_type::other (i, j))
|
---|
| 975 | return data () (i, j);
|
---|
| 976 | else if (triangular_type::one (i, j))
|
---|
| 977 | return one_;
|
---|
| 978 | else
|
---|
| 979 | return zero_;
|
---|
| 980 | }
|
---|
| 981 | BOOST_UBLAS_INLINE
|
---|
| 982 | reference operator () (size_type i, size_type j) {
|
---|
| 983 | BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
---|
| 984 | BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
---|
| 985 | if (triangular_type::other (i, j))
|
---|
| 986 | return data () (i, j);
|
---|
| 987 | else if (triangular_type::one (i, j)) {
|
---|
| 988 | bad_index ().raise ();
|
---|
| 989 | // arbitary return value
|
---|
| 990 | return const_cast<reference>(one_);
|
---|
| 991 | } else {
|
---|
| 992 | bad_index ().raise ();
|
---|
| 993 | // arbitary return value
|
---|
| 994 | return const_cast<reference>(zero_);
|
---|
| 995 | }
|
---|
| 996 | }
|
---|
| 997 | #else
|
---|
| 998 | BOOST_UBLAS_INLINE
|
---|
| 999 | reference operator () (size_type i, size_type j) const {
|
---|
| 1000 | BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
---|
| 1001 | BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
---|
| 1002 | if (triangular_type::other (i, j))
|
---|
| 1003 | return data () (i, j);
|
---|
| 1004 | else if (triangular_type::one (i, j)) {
|
---|
| 1005 | bad_index ().raise ();
|
---|
| 1006 | // arbitary return value
|
---|
| 1007 | return const_cast<reference>(one_);
|
---|
| 1008 | } else {
|
---|
| 1009 | bad_index ().raise ();
|
---|
| 1010 | // arbitary return value
|
---|
| 1011 | return const_cast<reference>(zero_);
|
---|
| 1012 | }
|
---|
| 1013 | }
|
---|
| 1014 | #endif
|
---|
| 1015 |
|
---|
| 1016 | // Assignment
|
---|
| 1017 | BOOST_UBLAS_INLINE
|
---|
| 1018 | triangular_adaptor &operator = (const triangular_adaptor &m) {
|
---|
| 1019 | matrix_assign<scalar_assign> (*this, m);
|
---|
| 1020 | return *this;
|
---|
| 1021 | }
|
---|
| 1022 | BOOST_UBLAS_INLINE
|
---|
| 1023 | triangular_adaptor &assign_temporary (triangular_adaptor &m) {
|
---|
| 1024 | *this = m;
|
---|
| 1025 | return *this;
|
---|
| 1026 | }
|
---|
| 1027 | template<class AE>
|
---|
| 1028 | BOOST_UBLAS_INLINE
|
---|
| 1029 | triangular_adaptor &operator = (const matrix_expression<AE> &ae) {
|
---|
| 1030 | matrix_assign<scalar_assign> (*this, matrix<value_type> (ae));
|
---|
| 1031 | return *this;
|
---|
| 1032 | }
|
---|
| 1033 | template<class AE>
|
---|
| 1034 | BOOST_UBLAS_INLINE
|
---|
| 1035 | triangular_adaptor &assign (const matrix_expression<AE> &ae) {
|
---|
| 1036 | matrix_assign<scalar_assign> (*this, ae);
|
---|
| 1037 | return *this;
|
---|
| 1038 | }
|
---|
| 1039 | template<class AE>
|
---|
| 1040 | BOOST_UBLAS_INLINE
|
---|
| 1041 | triangular_adaptor& operator += (const matrix_expression<AE> &ae) {
|
---|
| 1042 | matrix_assign<scalar_assign> (*this, matrix<value_type> (*this + ae));
|
---|
| 1043 | return *this;
|
---|
| 1044 | }
|
---|
| 1045 | template<class AE>
|
---|
| 1046 | BOOST_UBLAS_INLINE
|
---|
| 1047 | triangular_adaptor &plus_assign (const matrix_expression<AE> &ae) {
|
---|
| 1048 | matrix_assign<scalar_plus_assign> (*this, ae);
|
---|
| 1049 | return *this;
|
---|
| 1050 | }
|
---|
| 1051 | template<class AE>
|
---|
| 1052 | BOOST_UBLAS_INLINE
|
---|
| 1053 | triangular_adaptor& operator -= (const matrix_expression<AE> &ae) {
|
---|
| 1054 | matrix_assign<scalar_assign> (*this, matrix<value_type> (*this - ae));
|
---|
| 1055 | return *this;
|
---|
| 1056 | }
|
---|
| 1057 | template<class AE>
|
---|
| 1058 | BOOST_UBLAS_INLINE
|
---|
| 1059 | triangular_adaptor &minus_assign (const matrix_expression<AE> &ae) {
|
---|
| 1060 | matrix_assign<scalar_minus_assign> (*this, ae);
|
---|
| 1061 | return *this;
|
---|
| 1062 | }
|
---|
| 1063 | template<class AT>
|
---|
| 1064 | BOOST_UBLAS_INLINE
|
---|
| 1065 | triangular_adaptor& operator *= (const AT &at) {
|
---|
| 1066 | matrix_assign_scalar<scalar_multiplies_assign> (*this, at);
|
---|
| 1067 | return *this;
|
---|
| 1068 | }
|
---|
| 1069 | template<class AT>
|
---|
| 1070 | BOOST_UBLAS_INLINE
|
---|
| 1071 | triangular_adaptor& operator /= (const AT &at) {
|
---|
| 1072 | matrix_assign_scalar<scalar_divides_assign> (*this, at);
|
---|
| 1073 | return *this;
|
---|
| 1074 | }
|
---|
| 1075 |
|
---|
| 1076 | // Closure comparison
|
---|
| 1077 | BOOST_UBLAS_INLINE
|
---|
| 1078 | bool same_closure (const triangular_adaptor &ta) const {
|
---|
| 1079 | return (*this).data ().same_closure (ta.data ());
|
---|
| 1080 | }
|
---|
| 1081 |
|
---|
| 1082 | // Swapping
|
---|
| 1083 | BOOST_UBLAS_INLINE
|
---|
| 1084 | void swap (triangular_adaptor &m) {
|
---|
| 1085 | if (this != &m)
|
---|
| 1086 | matrix_swap<scalar_swap> (*this, m);
|
---|
| 1087 | }
|
---|
| 1088 | BOOST_UBLAS_INLINE
|
---|
| 1089 | friend void swap (triangular_adaptor &m1, triangular_adaptor &m2) {
|
---|
| 1090 | m1.swap (m2);
|
---|
| 1091 | }
|
---|
| 1092 |
|
---|
| 1093 | // Iterator types
|
---|
| 1094 | private:
|
---|
| 1095 | typedef typename M::const_iterator1 const_subiterator1_type;
|
---|
| 1096 | typedef typename boost::mpl::if_<boost::is_const<M>,
|
---|
| 1097 | typename M::const_iterator1,
|
---|
| 1098 | typename M::iterator1>::type subiterator1_type;
|
---|
| 1099 | typedef typename M::const_iterator2 const_subiterator2_type;
|
---|
| 1100 | typedef typename boost::mpl::if_<boost::is_const<M>,
|
---|
| 1101 | typename M::const_iterator2,
|
---|
| 1102 | typename M::iterator2>::type subiterator2_type;
|
---|
| 1103 |
|
---|
| 1104 | public:
|
---|
| 1105 | #ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 1106 | typedef indexed_iterator1<self_type, packed_random_access_iterator_tag> iterator1;
|
---|
| 1107 | typedef indexed_iterator2<self_type, packed_random_access_iterator_tag> iterator2;
|
---|
| 1108 | typedef indexed_const_iterator1<self_type, packed_random_access_iterator_tag> const_iterator1;
|
---|
| 1109 | typedef indexed_const_iterator2<self_type, packed_random_access_iterator_tag> const_iterator2;
|
---|
| 1110 | #else
|
---|
| 1111 | class const_iterator1;
|
---|
| 1112 | class iterator1;
|
---|
| 1113 | class const_iterator2;
|
---|
| 1114 | class iterator2;
|
---|
| 1115 | #endif
|
---|
| 1116 | typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
|
---|
| 1117 | typedef reverse_iterator_base1<iterator1> reverse_iterator1;
|
---|
| 1118 | typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
|
---|
| 1119 | typedef reverse_iterator_base2<iterator2> reverse_iterator2;
|
---|
| 1120 |
|
---|
| 1121 | // Element lookup
|
---|
| 1122 | BOOST_UBLAS_INLINE
|
---|
| 1123 | const_iterator1 find1 (int rank, size_type i, size_type j) const {
|
---|
| 1124 | if (rank == 1)
|
---|
| 1125 | i = triangular_type::restrict1 (i, j);
|
---|
| 1126 | return const_iterator1 (*this, data ().find1 (rank, i, j));
|
---|
| 1127 | }
|
---|
| 1128 | BOOST_UBLAS_INLINE
|
---|
| 1129 | iterator1 find1 (int rank, size_type i, size_type j) {
|
---|
| 1130 | if (rank == 1)
|
---|
| 1131 | i = triangular_type::mutable_restrict1 (i, j);
|
---|
| 1132 | return iterator1 (*this, data ().find1 (rank, i, j));
|
---|
| 1133 | }
|
---|
| 1134 | BOOST_UBLAS_INLINE
|
---|
| 1135 | const_iterator2 find2 (int rank, size_type i, size_type j) const {
|
---|
| 1136 | if (rank == 1)
|
---|
| 1137 | j = triangular_type::restrict2 (i, j);
|
---|
| 1138 | return const_iterator2 (*this, data ().find2 (rank, i, j));
|
---|
| 1139 | }
|
---|
| 1140 | BOOST_UBLAS_INLINE
|
---|
| 1141 | iterator2 find2 (int rank, size_type i, size_type j) {
|
---|
| 1142 | if (rank == 1)
|
---|
| 1143 | j = triangular_type::mutable_restrict2 (i, j);
|
---|
| 1144 | return iterator2 (*this, data ().find2 (rank, i, j));
|
---|
| 1145 | }
|
---|
| 1146 |
|
---|
| 1147 | // Iterators simply are indices.
|
---|
| 1148 |
|
---|
| 1149 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 1150 | class const_iterator1:
|
---|
| 1151 | public container_const_reference<triangular_adaptor>,
|
---|
| 1152 | public random_access_iterator_base<typename iterator_restrict_traits<
|
---|
| 1153 | typename const_subiterator1_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
---|
| 1154 | const_iterator1, value_type> {
|
---|
| 1155 | public:
|
---|
| 1156 | typedef typename const_subiterator1_type::value_type value_type;
|
---|
| 1157 | typedef typename const_subiterator1_type::difference_type difference_type;
|
---|
| 1158 | typedef typename const_subiterator1_type::reference reference;
|
---|
| 1159 | typedef typename const_subiterator1_type::pointer pointer;
|
---|
| 1160 |
|
---|
| 1161 | typedef const_iterator2 dual_iterator_type;
|
---|
| 1162 | typedef const_reverse_iterator2 dual_reverse_iterator_type;
|
---|
| 1163 |
|
---|
| 1164 | // Construction and destruction
|
---|
| 1165 | BOOST_UBLAS_INLINE
|
---|
| 1166 | const_iterator1 ():
|
---|
| 1167 | container_const_reference<self_type> (), it1_ () {}
|
---|
| 1168 | BOOST_UBLAS_INLINE
|
---|
| 1169 | const_iterator1 (const self_type &m, const const_subiterator1_type &it1):
|
---|
| 1170 | container_const_reference<self_type> (m), it1_ (it1) {}
|
---|
| 1171 | BOOST_UBLAS_INLINE
|
---|
| 1172 | const_iterator1 (const iterator1 &it):
|
---|
| 1173 | container_const_reference<self_type> (it ()), it1_ (it.it1_) {}
|
---|
| 1174 |
|
---|
| 1175 | // Arithmetic
|
---|
| 1176 | BOOST_UBLAS_INLINE
|
---|
| 1177 | const_iterator1 &operator ++ () {
|
---|
| 1178 | ++ it1_;
|
---|
| 1179 | return *this;
|
---|
| 1180 | }
|
---|
| 1181 | BOOST_UBLAS_INLINE
|
---|
| 1182 | const_iterator1 &operator -- () {
|
---|
| 1183 | -- it1_;
|
---|
| 1184 | return *this;
|
---|
| 1185 | }
|
---|
| 1186 | BOOST_UBLAS_INLINE
|
---|
| 1187 | const_iterator1 &operator += (difference_type n) {
|
---|
| 1188 | it1_ += n;
|
---|
| 1189 | return *this;
|
---|
| 1190 | }
|
---|
| 1191 | BOOST_UBLAS_INLINE
|
---|
| 1192 | const_iterator1 &operator -= (difference_type n) {
|
---|
| 1193 | it1_ -= n;
|
---|
| 1194 | return *this;
|
---|
| 1195 | }
|
---|
| 1196 | BOOST_UBLAS_INLINE
|
---|
| 1197 | difference_type operator - (const const_iterator1 &it) const {
|
---|
| 1198 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1199 | return it1_ - it.it1_;
|
---|
| 1200 | }
|
---|
| 1201 |
|
---|
| 1202 | // Dereference
|
---|
| 1203 | BOOST_UBLAS_INLINE
|
---|
| 1204 | const_reference operator * () const {
|
---|
| 1205 | size_type i = index1 ();
|
---|
| 1206 | size_type j = index2 ();
|
---|
| 1207 | BOOST_UBLAS_CHECK (i < (*this) ().size1 (), bad_index ());
|
---|
| 1208 | BOOST_UBLAS_CHECK (j < (*this) ().size2 (), bad_index ());
|
---|
| 1209 | if (triangular_type::other (i, j))
|
---|
| 1210 | return *it1_;
|
---|
| 1211 | else
|
---|
| 1212 | return (*this) () (i, j);
|
---|
| 1213 | }
|
---|
| 1214 |
|
---|
| 1215 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 1216 | BOOST_UBLAS_INLINE
|
---|
| 1217 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1218 | typename self_type::
|
---|
| 1219 | #endif
|
---|
| 1220 | const_iterator2 begin () const {
|
---|
| 1221 | return (*this) ().find2 (1, index1 (), 0);
|
---|
| 1222 | }
|
---|
| 1223 | BOOST_UBLAS_INLINE
|
---|
| 1224 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1225 | typename self_type::
|
---|
| 1226 | #endif
|
---|
| 1227 | const_iterator2 end () const {
|
---|
| 1228 | return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
|
---|
| 1229 | }
|
---|
| 1230 | BOOST_UBLAS_INLINE
|
---|
| 1231 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1232 | typename self_type::
|
---|
| 1233 | #endif
|
---|
| 1234 | const_reverse_iterator2 rbegin () const {
|
---|
| 1235 | return const_reverse_iterator2 (end ());
|
---|
| 1236 | }
|
---|
| 1237 | BOOST_UBLAS_INLINE
|
---|
| 1238 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1239 | typename self_type::
|
---|
| 1240 | #endif
|
---|
| 1241 | const_reverse_iterator2 rend () const {
|
---|
| 1242 | return const_reverse_iterator2 (begin ());
|
---|
| 1243 | }
|
---|
| 1244 | #endif
|
---|
| 1245 |
|
---|
| 1246 | // Indices
|
---|
| 1247 | BOOST_UBLAS_INLINE
|
---|
| 1248 | size_type index1 () const {
|
---|
| 1249 | return it1_.index1 ();
|
---|
| 1250 | }
|
---|
| 1251 | BOOST_UBLAS_INLINE
|
---|
| 1252 | size_type index2 () const {
|
---|
| 1253 | return it1_.index2 ();
|
---|
| 1254 | }
|
---|
| 1255 |
|
---|
| 1256 | // Assignment
|
---|
| 1257 | BOOST_UBLAS_INLINE
|
---|
| 1258 | const_iterator1 &operator = (const const_iterator1 &it) {
|
---|
| 1259 | container_const_reference<self_type>::assign (&it ());
|
---|
| 1260 | it1_ = it.it1_;
|
---|
| 1261 | return *this;
|
---|
| 1262 | }
|
---|
| 1263 |
|
---|
| 1264 | // Comparison
|
---|
| 1265 | BOOST_UBLAS_INLINE
|
---|
| 1266 | bool operator == (const const_iterator1 &it) const {
|
---|
| 1267 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1268 | return it1_ == it.it1_;
|
---|
| 1269 | }
|
---|
| 1270 | BOOST_UBLAS_INLINE
|
---|
| 1271 | bool operator < (const const_iterator1 &it) const {
|
---|
| 1272 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1273 | return it1_ < it.it1_;
|
---|
| 1274 | }
|
---|
| 1275 |
|
---|
| 1276 | private:
|
---|
| 1277 | const_subiterator1_type it1_;
|
---|
| 1278 | };
|
---|
| 1279 | #endif
|
---|
| 1280 |
|
---|
| 1281 | BOOST_UBLAS_INLINE
|
---|
| 1282 | const_iterator1 begin1 () const {
|
---|
| 1283 | return find1 (0, 0, 0);
|
---|
| 1284 | }
|
---|
| 1285 | BOOST_UBLAS_INLINE
|
---|
| 1286 | const_iterator1 end1 () const {
|
---|
| 1287 | return find1 (0, size1 (), 0);
|
---|
| 1288 | }
|
---|
| 1289 |
|
---|
| 1290 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 1291 | class iterator1:
|
---|
| 1292 | public container_reference<triangular_adaptor>,
|
---|
| 1293 | public random_access_iterator_base<typename iterator_restrict_traits<
|
---|
| 1294 | typename subiterator1_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
---|
| 1295 | iterator1, value_type> {
|
---|
| 1296 | public:
|
---|
| 1297 | typedef typename subiterator1_type::value_type value_type;
|
---|
| 1298 | typedef typename subiterator1_type::difference_type difference_type;
|
---|
| 1299 | typedef typename subiterator1_type::reference reference;
|
---|
| 1300 | typedef typename subiterator1_type::pointer pointer;
|
---|
| 1301 |
|
---|
| 1302 | typedef iterator2 dual_iterator_type;
|
---|
| 1303 | typedef reverse_iterator2 dual_reverse_iterator_type;
|
---|
| 1304 |
|
---|
| 1305 | // Construction and destruction
|
---|
| 1306 | BOOST_UBLAS_INLINE
|
---|
| 1307 | iterator1 ():
|
---|
| 1308 | container_reference<self_type> (), it1_ () {}
|
---|
| 1309 | BOOST_UBLAS_INLINE
|
---|
| 1310 | iterator1 (self_type &m, const subiterator1_type &it1):
|
---|
| 1311 | container_reference<self_type> (m), it1_ (it1) {}
|
---|
| 1312 |
|
---|
| 1313 | // Arithmetic
|
---|
| 1314 | BOOST_UBLAS_INLINE
|
---|
| 1315 | iterator1 &operator ++ () {
|
---|
| 1316 | ++ it1_;
|
---|
| 1317 | return *this;
|
---|
| 1318 | }
|
---|
| 1319 | BOOST_UBLAS_INLINE
|
---|
| 1320 | iterator1 &operator -- () {
|
---|
| 1321 | -- it1_;
|
---|
| 1322 | return *this;
|
---|
| 1323 | }
|
---|
| 1324 | BOOST_UBLAS_INLINE
|
---|
| 1325 | iterator1 &operator += (difference_type n) {
|
---|
| 1326 | it1_ += n;
|
---|
| 1327 | return *this;
|
---|
| 1328 | }
|
---|
| 1329 | BOOST_UBLAS_INLINE
|
---|
| 1330 | iterator1 &operator -= (difference_type n) {
|
---|
| 1331 | it1_ -= n;
|
---|
| 1332 | return *this;
|
---|
| 1333 | }
|
---|
| 1334 | BOOST_UBLAS_INLINE
|
---|
| 1335 | difference_type operator - (const iterator1 &it) const {
|
---|
| 1336 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1337 | return it1_ - it.it1_;
|
---|
| 1338 | }
|
---|
| 1339 |
|
---|
| 1340 | // Dereference
|
---|
| 1341 | BOOST_UBLAS_INLINE
|
---|
| 1342 | reference operator * () const {
|
---|
| 1343 | size_type i = index1 ();
|
---|
| 1344 | size_type j = index2 ();
|
---|
| 1345 | BOOST_UBLAS_CHECK (i < (*this) ().size1 (), bad_index ());
|
---|
| 1346 | BOOST_UBLAS_CHECK (j < (*this) ().size2 (), bad_index ());
|
---|
| 1347 | if (triangular_type::other (i, j))
|
---|
| 1348 | return *it1_;
|
---|
| 1349 | else
|
---|
| 1350 | return (*this) () (i, j);
|
---|
| 1351 | }
|
---|
| 1352 |
|
---|
| 1353 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 1354 | BOOST_UBLAS_INLINE
|
---|
| 1355 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1356 | typename self_type::
|
---|
| 1357 | #endif
|
---|
| 1358 | iterator2 begin () const {
|
---|
| 1359 | return (*this) ().find2 (1, index1 (), 0);
|
---|
| 1360 | }
|
---|
| 1361 | BOOST_UBLAS_INLINE
|
---|
| 1362 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1363 | typename self_type::
|
---|
| 1364 | #endif
|
---|
| 1365 | iterator2 end () const {
|
---|
| 1366 | return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
|
---|
| 1367 | }
|
---|
| 1368 | BOOST_UBLAS_INLINE
|
---|
| 1369 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1370 | typename self_type::
|
---|
| 1371 | #endif
|
---|
| 1372 | reverse_iterator2 rbegin () const {
|
---|
| 1373 | return reverse_iterator2 (end ());
|
---|
| 1374 | }
|
---|
| 1375 | BOOST_UBLAS_INLINE
|
---|
| 1376 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1377 | typename self_type::
|
---|
| 1378 | #endif
|
---|
| 1379 | reverse_iterator2 rend () const {
|
---|
| 1380 | return reverse_iterator2 (begin ());
|
---|
| 1381 | }
|
---|
| 1382 | #endif
|
---|
| 1383 |
|
---|
| 1384 | // Indices
|
---|
| 1385 | BOOST_UBLAS_INLINE
|
---|
| 1386 | size_type index1 () const {
|
---|
| 1387 | return it1_.index1 ();
|
---|
| 1388 | }
|
---|
| 1389 | BOOST_UBLAS_INLINE
|
---|
| 1390 | size_type index2 () const {
|
---|
| 1391 | return it1_.index2 ();
|
---|
| 1392 | }
|
---|
| 1393 |
|
---|
| 1394 | // Assignment
|
---|
| 1395 | BOOST_UBLAS_INLINE
|
---|
| 1396 | iterator1 &operator = (const iterator1 &it) {
|
---|
| 1397 | container_reference<self_type>::assign (&it ());
|
---|
| 1398 | it1_ = it.it1_;
|
---|
| 1399 | return *this;
|
---|
| 1400 | }
|
---|
| 1401 |
|
---|
| 1402 | // Comparison
|
---|
| 1403 | BOOST_UBLAS_INLINE
|
---|
| 1404 | bool operator == (const iterator1 &it) const {
|
---|
| 1405 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1406 | return it1_ == it.it1_;
|
---|
| 1407 | }
|
---|
| 1408 | BOOST_UBLAS_INLINE
|
---|
| 1409 | bool operator < (const iterator1 &it) const {
|
---|
| 1410 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1411 | return it1_ < it.it1_;
|
---|
| 1412 | }
|
---|
| 1413 |
|
---|
| 1414 | private:
|
---|
| 1415 | subiterator1_type it1_;
|
---|
| 1416 |
|
---|
| 1417 | friend class const_iterator1;
|
---|
| 1418 | };
|
---|
| 1419 | #endif
|
---|
| 1420 |
|
---|
| 1421 | BOOST_UBLAS_INLINE
|
---|
| 1422 | iterator1 begin1 () {
|
---|
| 1423 | return find1 (0, 0, 0);
|
---|
| 1424 | }
|
---|
| 1425 | BOOST_UBLAS_INLINE
|
---|
| 1426 | iterator1 end1 () {
|
---|
| 1427 | return find1 (0, size1 (), 0);
|
---|
| 1428 | }
|
---|
| 1429 |
|
---|
| 1430 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 1431 | class const_iterator2:
|
---|
| 1432 | public container_const_reference<triangular_adaptor>,
|
---|
| 1433 | public random_access_iterator_base<typename iterator_restrict_traits<
|
---|
| 1434 | typename const_subiterator1_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
---|
| 1435 | const_iterator2, value_type> {
|
---|
| 1436 | public:
|
---|
| 1437 | typedef typename const_subiterator2_type::value_type value_type;
|
---|
| 1438 | typedef typename const_subiterator2_type::difference_type difference_type;
|
---|
| 1439 | typedef typename const_subiterator2_type::reference reference;
|
---|
| 1440 | typedef typename const_subiterator2_type::pointer pointer;
|
---|
| 1441 |
|
---|
| 1442 | typedef const_iterator1 dual_iterator_type;
|
---|
| 1443 | typedef const_reverse_iterator1 dual_reverse_iterator_type;
|
---|
| 1444 |
|
---|
| 1445 | // Construction and destruction
|
---|
| 1446 | BOOST_UBLAS_INLINE
|
---|
| 1447 | const_iterator2 ():
|
---|
| 1448 | container_const_reference<self_type> (), it2_ () {}
|
---|
| 1449 | BOOST_UBLAS_INLINE
|
---|
| 1450 | const_iterator2 (const self_type &m, const const_subiterator2_type &it2):
|
---|
| 1451 | container_const_reference<self_type> (m), it2_ (it2) {}
|
---|
| 1452 | BOOST_UBLAS_INLINE
|
---|
| 1453 | const_iterator2 (const iterator2 &it):
|
---|
| 1454 | container_const_reference<self_type> (it ()), it2_ (it.it2_) {}
|
---|
| 1455 |
|
---|
| 1456 | // Arithmetic
|
---|
| 1457 | BOOST_UBLAS_INLINE
|
---|
| 1458 | const_iterator2 &operator ++ () {
|
---|
| 1459 | ++ it2_;
|
---|
| 1460 | return *this;
|
---|
| 1461 | }
|
---|
| 1462 | BOOST_UBLAS_INLINE
|
---|
| 1463 | const_iterator2 &operator -- () {
|
---|
| 1464 | -- it2_;
|
---|
| 1465 | return *this;
|
---|
| 1466 | }
|
---|
| 1467 | BOOST_UBLAS_INLINE
|
---|
| 1468 | const_iterator2 &operator += (difference_type n) {
|
---|
| 1469 | it2_ += n;
|
---|
| 1470 | return *this;
|
---|
| 1471 | }
|
---|
| 1472 | BOOST_UBLAS_INLINE
|
---|
| 1473 | const_iterator2 &operator -= (difference_type n) {
|
---|
| 1474 | it2_ -= n;
|
---|
| 1475 | return *this;
|
---|
| 1476 | }
|
---|
| 1477 | BOOST_UBLAS_INLINE
|
---|
| 1478 | difference_type operator - (const const_iterator2 &it) const {
|
---|
| 1479 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1480 | return it2_ - it.it2_;
|
---|
| 1481 | }
|
---|
| 1482 |
|
---|
| 1483 | // Dereference
|
---|
| 1484 | BOOST_UBLAS_INLINE
|
---|
| 1485 | const_reference operator * () const {
|
---|
| 1486 | size_type i = index1 ();
|
---|
| 1487 | size_type j = index2 ();
|
---|
| 1488 | BOOST_UBLAS_CHECK (i < (*this) ().size1 (), bad_index ());
|
---|
| 1489 | BOOST_UBLAS_CHECK (j < (*this) ().size2 (), bad_index ());
|
---|
| 1490 | if (triangular_type::other (i, j))
|
---|
| 1491 | return *it2_;
|
---|
| 1492 | else
|
---|
| 1493 | return (*this) () (i, j);
|
---|
| 1494 | }
|
---|
| 1495 |
|
---|
| 1496 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 1497 | BOOST_UBLAS_INLINE
|
---|
| 1498 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1499 | typename self_type::
|
---|
| 1500 | #endif
|
---|
| 1501 | const_iterator1 begin () const {
|
---|
| 1502 | return (*this) ().find1 (1, 0, index2 ());
|
---|
| 1503 | }
|
---|
| 1504 | BOOST_UBLAS_INLINE
|
---|
| 1505 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1506 | typename self_type::
|
---|
| 1507 | #endif
|
---|
| 1508 | const_iterator1 end () const {
|
---|
| 1509 | return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
|
---|
| 1510 | }
|
---|
| 1511 | BOOST_UBLAS_INLINE
|
---|
| 1512 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1513 | typename self_type::
|
---|
| 1514 | #endif
|
---|
| 1515 | const_reverse_iterator1 rbegin () const {
|
---|
| 1516 | return const_reverse_iterator1 (end ());
|
---|
| 1517 | }
|
---|
| 1518 | BOOST_UBLAS_INLINE
|
---|
| 1519 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1520 | typename self_type::
|
---|
| 1521 | #endif
|
---|
| 1522 | const_reverse_iterator1 rend () const {
|
---|
| 1523 | return const_reverse_iterator1 (begin ());
|
---|
| 1524 | }
|
---|
| 1525 | #endif
|
---|
| 1526 |
|
---|
| 1527 | // Indices
|
---|
| 1528 | BOOST_UBLAS_INLINE
|
---|
| 1529 | size_type index1 () const {
|
---|
| 1530 | return it2_.index1 ();
|
---|
| 1531 | }
|
---|
| 1532 | BOOST_UBLAS_INLINE
|
---|
| 1533 | size_type index2 () const {
|
---|
| 1534 | return it2_.index2 ();
|
---|
| 1535 | }
|
---|
| 1536 |
|
---|
| 1537 | // Assignment
|
---|
| 1538 | BOOST_UBLAS_INLINE
|
---|
| 1539 | const_iterator2 &operator = (const const_iterator2 &it) {
|
---|
| 1540 | container_const_reference<self_type>::assign (&it ());
|
---|
| 1541 | it2_ = it.it2_;
|
---|
| 1542 | return *this;
|
---|
| 1543 | }
|
---|
| 1544 |
|
---|
| 1545 | // Comparison
|
---|
| 1546 | BOOST_UBLAS_INLINE
|
---|
| 1547 | bool operator == (const const_iterator2 &it) const {
|
---|
| 1548 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1549 | return it2_ == it.it2_;
|
---|
| 1550 | }
|
---|
| 1551 | BOOST_UBLAS_INLINE
|
---|
| 1552 | bool operator < (const const_iterator2 &it) const {
|
---|
| 1553 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1554 | return it2_ < it.it2_;
|
---|
| 1555 | }
|
---|
| 1556 |
|
---|
| 1557 | private:
|
---|
| 1558 | const_subiterator2_type it2_;
|
---|
| 1559 | };
|
---|
| 1560 | #endif
|
---|
| 1561 |
|
---|
| 1562 | BOOST_UBLAS_INLINE
|
---|
| 1563 | const_iterator2 begin2 () const {
|
---|
| 1564 | return find2 (0, 0, 0);
|
---|
| 1565 | }
|
---|
| 1566 | BOOST_UBLAS_INLINE
|
---|
| 1567 | const_iterator2 end2 () const {
|
---|
| 1568 | return find2 (0, 0, size2 ());
|
---|
| 1569 | }
|
---|
| 1570 |
|
---|
| 1571 | #ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
---|
| 1572 | class iterator2:
|
---|
| 1573 | public container_reference<triangular_adaptor>,
|
---|
| 1574 | public random_access_iterator_base<typename iterator_restrict_traits<
|
---|
| 1575 | typename subiterator1_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
---|
| 1576 | iterator2, value_type> {
|
---|
| 1577 | public:
|
---|
| 1578 | typedef typename subiterator2_type::value_type value_type;
|
---|
| 1579 | typedef typename subiterator2_type::difference_type difference_type;
|
---|
| 1580 | typedef typename subiterator2_type::reference reference;
|
---|
| 1581 | typedef typename subiterator2_type::pointer pointer;
|
---|
| 1582 |
|
---|
| 1583 | typedef iterator1 dual_iterator_type;
|
---|
| 1584 | typedef reverse_iterator1 dual_reverse_iterator_type;
|
---|
| 1585 |
|
---|
| 1586 | // Construction and destruction
|
---|
| 1587 | BOOST_UBLAS_INLINE
|
---|
| 1588 | iterator2 ():
|
---|
| 1589 | container_reference<self_type> (), it2_ () {}
|
---|
| 1590 | BOOST_UBLAS_INLINE
|
---|
| 1591 | iterator2 (self_type &m, const subiterator2_type &it2):
|
---|
| 1592 | container_reference<self_type> (m), it2_ (it2) {}
|
---|
| 1593 |
|
---|
| 1594 | // Arithmetic
|
---|
| 1595 | BOOST_UBLAS_INLINE
|
---|
| 1596 | iterator2 &operator ++ () {
|
---|
| 1597 | ++ it2_;
|
---|
| 1598 | return *this;
|
---|
| 1599 | }
|
---|
| 1600 | BOOST_UBLAS_INLINE
|
---|
| 1601 | iterator2 &operator -- () {
|
---|
| 1602 | -- it2_;
|
---|
| 1603 | return *this;
|
---|
| 1604 | }
|
---|
| 1605 | BOOST_UBLAS_INLINE
|
---|
| 1606 | iterator2 &operator += (difference_type n) {
|
---|
| 1607 | it2_ += n;
|
---|
| 1608 | return *this;
|
---|
| 1609 | }
|
---|
| 1610 | BOOST_UBLAS_INLINE
|
---|
| 1611 | iterator2 &operator -= (difference_type n) {
|
---|
| 1612 | it2_ -= n;
|
---|
| 1613 | return *this;
|
---|
| 1614 | }
|
---|
| 1615 | BOOST_UBLAS_INLINE
|
---|
| 1616 | difference_type operator - (const iterator2 &it) const {
|
---|
| 1617 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1618 | return it2_ - it.it2_;
|
---|
| 1619 | }
|
---|
| 1620 |
|
---|
| 1621 | // Dereference
|
---|
| 1622 | BOOST_UBLAS_INLINE
|
---|
| 1623 | reference operator * () const {
|
---|
| 1624 | size_type i = index1 ();
|
---|
| 1625 | size_type j = index2 ();
|
---|
| 1626 | BOOST_UBLAS_CHECK (i < (*this) ().size1 (), bad_index ());
|
---|
| 1627 | BOOST_UBLAS_CHECK (j < (*this) ().size2 (), bad_index ());
|
---|
| 1628 | if (triangular_type::other (i, j))
|
---|
| 1629 | return *it2_;
|
---|
| 1630 | else
|
---|
| 1631 | return (*this) () (i, j);
|
---|
| 1632 | }
|
---|
| 1633 |
|
---|
| 1634 | #ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
---|
| 1635 | BOOST_UBLAS_INLINE
|
---|
| 1636 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1637 | typename self_type::
|
---|
| 1638 | #endif
|
---|
| 1639 | iterator1 begin () const {
|
---|
| 1640 | return (*this) ().find1 (1, 0, index2 ());
|
---|
| 1641 | }
|
---|
| 1642 | BOOST_UBLAS_INLINE
|
---|
| 1643 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1644 | typename self_type::
|
---|
| 1645 | #endif
|
---|
| 1646 | iterator1 end () const {
|
---|
| 1647 | return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
|
---|
| 1648 | }
|
---|
| 1649 | BOOST_UBLAS_INLINE
|
---|
| 1650 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1651 | typename self_type::
|
---|
| 1652 | #endif
|
---|
| 1653 | reverse_iterator1 rbegin () const {
|
---|
| 1654 | return reverse_iterator1 (end ());
|
---|
| 1655 | }
|
---|
| 1656 | BOOST_UBLAS_INLINE
|
---|
| 1657 | #ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
---|
| 1658 | typename self_type::
|
---|
| 1659 | #endif
|
---|
| 1660 | reverse_iterator1 rend () const {
|
---|
| 1661 | return reverse_iterator1 (begin ());
|
---|
| 1662 | }
|
---|
| 1663 | #endif
|
---|
| 1664 |
|
---|
| 1665 | // Indices
|
---|
| 1666 | BOOST_UBLAS_INLINE
|
---|
| 1667 | size_type index1 () const {
|
---|
| 1668 | return it2_.index1 ();
|
---|
| 1669 | }
|
---|
| 1670 | BOOST_UBLAS_INLINE
|
---|
| 1671 | size_type index2 () const {
|
---|
| 1672 | return it2_.index2 ();
|
---|
| 1673 | }
|
---|
| 1674 |
|
---|
| 1675 | // Assignment
|
---|
| 1676 | BOOST_UBLAS_INLINE
|
---|
| 1677 | iterator2 &operator = (const iterator2 &it) {
|
---|
| 1678 | container_reference<self_type>::assign (&it ());
|
---|
| 1679 | it2_ = it.it2_;
|
---|
| 1680 | return *this;
|
---|
| 1681 | }
|
---|
| 1682 |
|
---|
| 1683 | // Comparison
|
---|
| 1684 | BOOST_UBLAS_INLINE
|
---|
| 1685 | bool operator == (const iterator2 &it) const {
|
---|
| 1686 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1687 | return it2_ == it.it2_;
|
---|
| 1688 | }
|
---|
| 1689 | BOOST_UBLAS_INLINE
|
---|
| 1690 | bool operator < (const iterator2 &it) const {
|
---|
| 1691 | BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
---|
| 1692 | return it2_ < it.it2_;
|
---|
| 1693 | }
|
---|
| 1694 |
|
---|
| 1695 | private:
|
---|
| 1696 | subiterator2_type it2_;
|
---|
| 1697 |
|
---|
| 1698 | friend class const_iterator2;
|
---|
| 1699 | };
|
---|
| 1700 | #endif
|
---|
| 1701 |
|
---|
| 1702 | BOOST_UBLAS_INLINE
|
---|
| 1703 | iterator2 begin2 () {
|
---|
| 1704 | return find2 (0, 0, 0);
|
---|
| 1705 | }
|
---|
| 1706 | BOOST_UBLAS_INLINE
|
---|
| 1707 | iterator2 end2 () {
|
---|
| 1708 | return find2 (0, 0, size2 ());
|
---|
| 1709 | }
|
---|
| 1710 |
|
---|
| 1711 | // Reverse iterators
|
---|
| 1712 |
|
---|
| 1713 | BOOST_UBLAS_INLINE
|
---|
| 1714 | const_reverse_iterator1 rbegin1 () const {
|
---|
| 1715 | return const_reverse_iterator1 (end1 ());
|
---|
| 1716 | }
|
---|
| 1717 | BOOST_UBLAS_INLINE
|
---|
| 1718 | const_reverse_iterator1 rend1 () const {
|
---|
| 1719 | return const_reverse_iterator1 (begin1 ());
|
---|
| 1720 | }
|
---|
| 1721 |
|
---|
| 1722 | BOOST_UBLAS_INLINE
|
---|
| 1723 | reverse_iterator1 rbegin1 () {
|
---|
| 1724 | return reverse_iterator1 (end1 ());
|
---|
| 1725 | }
|
---|
| 1726 | BOOST_UBLAS_INLINE
|
---|
| 1727 | reverse_iterator1 rend1 () {
|
---|
| 1728 | return reverse_iterator1 (begin1 ());
|
---|
| 1729 | }
|
---|
| 1730 |
|
---|
| 1731 | BOOST_UBLAS_INLINE
|
---|
| 1732 | const_reverse_iterator2 rbegin2 () const {
|
---|
| 1733 | return const_reverse_iterator2 (end2 ());
|
---|
| 1734 | }
|
---|
| 1735 | BOOST_UBLAS_INLINE
|
---|
| 1736 | const_reverse_iterator2 rend2 () const {
|
---|
| 1737 | return const_reverse_iterator2 (begin2 ());
|
---|
| 1738 | }
|
---|
| 1739 |
|
---|
| 1740 | BOOST_UBLAS_INLINE
|
---|
| 1741 | reverse_iterator2 rbegin2 () {
|
---|
| 1742 | return reverse_iterator2 (end2 ());
|
---|
| 1743 | }
|
---|
| 1744 | BOOST_UBLAS_INLINE
|
---|
| 1745 | reverse_iterator2 rend2 () {
|
---|
| 1746 | return reverse_iterator2 (begin2 ());
|
---|
| 1747 | }
|
---|
| 1748 |
|
---|
| 1749 | private:
|
---|
| 1750 | matrix_closure_type data_;
|
---|
| 1751 | static const value_type zero_;
|
---|
| 1752 | static const value_type one_;
|
---|
| 1753 | };
|
---|
| 1754 |
|
---|
| 1755 | template<class M, class TRI>
|
---|
| 1756 | const typename triangular_adaptor<M, TRI>::value_type triangular_adaptor<M, TRI>::zero_ = value_type/*zero*/();
|
---|
| 1757 | template<class M, class TRI>
|
---|
| 1758 | const typename triangular_adaptor<M, TRI>::value_type triangular_adaptor<M, TRI>::one_ (1);
|
---|
| 1759 |
|
---|
| 1760 | template <class M, class TRI>
|
---|
| 1761 | struct vector_temporary_traits< triangular_adaptor<M, TRI> >
|
---|
| 1762 | : vector_temporary_traits< typename boost::remove_const<M>::type > {} ;
|
---|
| 1763 |
|
---|
| 1764 | template <class M, class TRI>
|
---|
| 1765 | struct matrix_temporary_traits< triangular_adaptor<M, TRI> >
|
---|
| 1766 | : matrix_temporary_traits< typename boost::remove_const<M>::type > {};
|
---|
| 1767 |
|
---|
| 1768 |
|
---|
| 1769 | template<class E1, class E2>
|
---|
| 1770 | struct matrix_vector_solve_traits {
|
---|
| 1771 | typedef typename promote_traits<typename E1::value_type, typename E2::value_type>::promote_type promote_type;
|
---|
| 1772 | typedef vector<promote_type> result_type;
|
---|
| 1773 | };
|
---|
| 1774 |
|
---|
| 1775 | // Operations:
|
---|
| 1776 | // n * (n - 1) / 2 + n = n * (n + 1) / 2 multiplications,
|
---|
| 1777 | // n * (n - 1) / 2 additions
|
---|
| 1778 |
|
---|
| 1779 | // Dense (proxy) case
|
---|
| 1780 | template<class E1, class E2>
|
---|
| 1781 | BOOST_UBLAS_INLINE
|
---|
| 1782 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1783 | lower_tag, column_major_tag, dense_proxy_tag) {
|
---|
| 1784 | typedef typename E2::size_type size_type;
|
---|
| 1785 | typedef typename E2::difference_type difference_type;
|
---|
| 1786 | typedef typename E2::value_type value_type;
|
---|
| 1787 |
|
---|
| 1788 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1789 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1790 | size_type size = e2 ().size ();
|
---|
| 1791 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 1792 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1793 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1794 | #else
|
---|
| 1795 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1796 | singular ().raise ();
|
---|
| 1797 | #endif
|
---|
| 1798 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1799 | if (t != value_type/*zero*/()) {
|
---|
| 1800 | for (size_type m = n + 1; m < size; ++ m)
|
---|
| 1801 | e2 () (m) -= e1 () (m, n) * t;
|
---|
| 1802 | }
|
---|
| 1803 | }
|
---|
| 1804 | }
|
---|
| 1805 | // Packed (proxy) case
|
---|
| 1806 | template<class E1, class E2>
|
---|
| 1807 | BOOST_UBLAS_INLINE
|
---|
| 1808 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1809 | lower_tag, column_major_tag, packed_proxy_tag) {
|
---|
| 1810 | typedef typename E2::size_type size_type;
|
---|
| 1811 | typedef typename E2::difference_type difference_type;
|
---|
| 1812 | typedef typename E2::value_type value_type;
|
---|
| 1813 |
|
---|
| 1814 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1815 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1816 | size_type size = e2 ().size ();
|
---|
| 1817 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 1818 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1819 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1820 | #else
|
---|
| 1821 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1822 | singular ().raise ();
|
---|
| 1823 | #endif
|
---|
| 1824 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1825 | if (t != value_type/*zero*/()) {
|
---|
| 1826 | typename E1::const_iterator1 it1e1 (e1 ().find1 (1, n + 1, n));
|
---|
| 1827 | typename E1::const_iterator1 it1e1_end (e1 ().find1 (1, e1 ().size1 (), n));
|
---|
| 1828 | difference_type m (it1e1_end - it1e1);
|
---|
| 1829 | while (-- m >= 0)
|
---|
| 1830 | e2 () (it1e1.index1 ()) -= *it1e1 * t, ++ it1e1;
|
---|
| 1831 | }
|
---|
| 1832 | }
|
---|
| 1833 | }
|
---|
| 1834 | // Sparse (proxy) case
|
---|
| 1835 | template<class E1, class E2>
|
---|
| 1836 | BOOST_UBLAS_INLINE
|
---|
| 1837 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1838 | lower_tag, column_major_tag, unknown_storage_tag) {
|
---|
| 1839 | typedef typename E2::size_type size_type;
|
---|
| 1840 | typedef typename E2::difference_type difference_type;
|
---|
| 1841 | typedef typename E2::value_type value_type;
|
---|
| 1842 |
|
---|
| 1843 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1844 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1845 | size_type size = e2 ().size ();
|
---|
| 1846 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 1847 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1848 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1849 | #else
|
---|
| 1850 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1851 | singular ().raise ();
|
---|
| 1852 | #endif
|
---|
| 1853 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1854 | if (t != value_type/*zero*/()) {
|
---|
| 1855 | typename E1::const_iterator1 it1e1 (e1 ().find1 (1, n + 1, n));
|
---|
| 1856 | typename E1::const_iterator1 it1e1_end (e1 ().find1 (1, e1 ().size1 (), n));
|
---|
| 1857 | while (it1e1 != it1e1_end)
|
---|
| 1858 | e2 () (it1e1.index1 ()) -= *it1e1 * t, ++ it1e1;
|
---|
| 1859 | }
|
---|
| 1860 | }
|
---|
| 1861 | }
|
---|
| 1862 | // Redirectors :-)
|
---|
| 1863 | template<class E1, class E2>
|
---|
| 1864 | BOOST_UBLAS_INLINE
|
---|
| 1865 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1866 | lower_tag, column_major_tag) {
|
---|
| 1867 | typedef typename E1::storage_category storage_category;
|
---|
| 1868 | inplace_solve (e1, e2,
|
---|
| 1869 | lower_tag (), column_major_tag (), storage_category ());
|
---|
| 1870 | }
|
---|
| 1871 | template<class E1, class E2>
|
---|
| 1872 | BOOST_UBLAS_INLINE
|
---|
| 1873 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1874 | lower_tag, row_major_tag) {
|
---|
| 1875 | typedef typename E1::storage_category storage_category;
|
---|
| 1876 | inplace_solve (e2, trans (e1),
|
---|
| 1877 | upper_tag (), row_major_tag (), storage_category ());
|
---|
| 1878 | }
|
---|
| 1879 | // Dispatcher
|
---|
| 1880 | template<class E1, class E2>
|
---|
| 1881 | BOOST_UBLAS_INLINE
|
---|
| 1882 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1883 | lower_tag) {
|
---|
| 1884 | typedef typename E1::orientation_category orientation_category;
|
---|
| 1885 | inplace_solve (e1, e2,
|
---|
| 1886 | lower_tag (), orientation_category ());
|
---|
| 1887 | }
|
---|
| 1888 | template<class E1, class E2>
|
---|
| 1889 | BOOST_UBLAS_INLINE
|
---|
| 1890 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1891 | unit_lower_tag) {
|
---|
| 1892 | typedef typename E1::orientation_category orientation_category;
|
---|
| 1893 | inplace_solve (triangular_adaptor<const E1, unit_lower> (e1 ()), e2,
|
---|
| 1894 | unit_lower_tag (), orientation_category ());
|
---|
| 1895 | }
|
---|
| 1896 |
|
---|
| 1897 | // Dense (proxy) case
|
---|
| 1898 | template<class E1, class E2>
|
---|
| 1899 | BOOST_UBLAS_INLINE
|
---|
| 1900 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1901 | upper_tag, column_major_tag, dense_proxy_tag) {
|
---|
| 1902 | typedef typename E2::size_type size_type;
|
---|
| 1903 | typedef typename E2::difference_type difference_type;
|
---|
| 1904 | typedef typename E2::value_type value_type;
|
---|
| 1905 |
|
---|
| 1906 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1907 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1908 | size_type size = e2 ().size ();
|
---|
| 1909 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 1910 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1911 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1912 | #else
|
---|
| 1913 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1914 | singular ().raise ();
|
---|
| 1915 | #endif
|
---|
| 1916 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1917 | if (t != value_type/*zero*/()) {
|
---|
| 1918 | for (difference_type m = n - 1; m >= 0; -- m)
|
---|
| 1919 | e2 () (m) -= e1 () (m, n) * t;
|
---|
| 1920 | }
|
---|
| 1921 | }
|
---|
| 1922 | }
|
---|
| 1923 | // Packed (proxy) case
|
---|
| 1924 | template<class E1, class E2>
|
---|
| 1925 | BOOST_UBLAS_INLINE
|
---|
| 1926 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1927 | upper_tag, column_major_tag, packed_proxy_tag) {
|
---|
| 1928 | typedef typename E2::size_type size_type;
|
---|
| 1929 | typedef typename E2::difference_type difference_type;
|
---|
| 1930 | typedef typename E2::value_type value_type;
|
---|
| 1931 |
|
---|
| 1932 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1933 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1934 | size_type size = e2 ().size ();
|
---|
| 1935 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 1936 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1937 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1938 | #else
|
---|
| 1939 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1940 | singular ().raise ();
|
---|
| 1941 | #endif
|
---|
| 1942 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1943 | if (t != value_type/*zero*/()) {
|
---|
| 1944 | typename E1::const_reverse_iterator1 it1e1 (e1 ().find1 (1, n, n));
|
---|
| 1945 | typename E1::const_reverse_iterator1 it1e1_rend (e1 ().find1 (1, 0, n));
|
---|
| 1946 | difference_type m (it1e1_rend - it1e1);
|
---|
| 1947 | while (-- m >= 0)
|
---|
| 1948 | e2 () (it1e1.index1 ()) -= *it1e1 * t, ++ it1e1;
|
---|
| 1949 | }
|
---|
| 1950 | }
|
---|
| 1951 | }
|
---|
| 1952 | // Sparse (proxy) case
|
---|
| 1953 | template<class E1, class E2>
|
---|
| 1954 | BOOST_UBLAS_INLINE
|
---|
| 1955 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1956 | upper_tag, column_major_tag, unknown_storage_tag) {
|
---|
| 1957 | typedef typename E2::size_type size_type;
|
---|
| 1958 | typedef typename E2::difference_type difference_type;
|
---|
| 1959 | typedef typename E2::value_type value_type;
|
---|
| 1960 |
|
---|
| 1961 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 1962 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size (), bad_size ());
|
---|
| 1963 | size_type size = e2 ().size ();
|
---|
| 1964 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 1965 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 1966 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 1967 | #else
|
---|
| 1968 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 1969 | singular ().raise ();
|
---|
| 1970 | #endif
|
---|
| 1971 | value_type t = e2 () (n) /= e1 () (n, n);
|
---|
| 1972 | if (t != value_type/*zero*/()) {
|
---|
| 1973 | typename E1::const_reverse_iterator1 it1e1 (e1 ().find1 (1, n, n));
|
---|
| 1974 | typename E1::const_reverse_iterator1 it1e1_rend (e1 ().find1 (1, 0, n));
|
---|
| 1975 | while (it1e1 != it1e1_rend)
|
---|
| 1976 | e2 () (it1e1.index1 ()) -= *it1e1 * t, ++ it1e1;
|
---|
| 1977 | }
|
---|
| 1978 | }
|
---|
| 1979 | }
|
---|
| 1980 | // Redirectors :-)
|
---|
| 1981 | template<class E1, class E2>
|
---|
| 1982 | BOOST_UBLAS_INLINE
|
---|
| 1983 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1984 | upper_tag, column_major_tag) {
|
---|
| 1985 | typedef typename E1::storage_category storage_category;
|
---|
| 1986 | inplace_solve (e1, e2,
|
---|
| 1987 | upper_tag (), column_major_tag (), storage_category ());
|
---|
| 1988 | }
|
---|
| 1989 | template<class E1, class E2>
|
---|
| 1990 | BOOST_UBLAS_INLINE
|
---|
| 1991 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 1992 | upper_tag, row_major_tag) {
|
---|
| 1993 | typedef typename E1::storage_category storage_category;
|
---|
| 1994 | inplace_solve (e2, trans (e1),
|
---|
| 1995 | lower_tag (), row_major_tag (), storage_category ());
|
---|
| 1996 | }
|
---|
| 1997 | // Dispatcher
|
---|
| 1998 | template<class E1, class E2>
|
---|
| 1999 | BOOST_UBLAS_INLINE
|
---|
| 2000 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 2001 | upper_tag) {
|
---|
| 2002 | typedef typename E1::orientation_category orientation_category;
|
---|
| 2003 | inplace_solve (e1, e2,
|
---|
| 2004 | upper_tag (), orientation_category ());
|
---|
| 2005 | }
|
---|
| 2006 | template<class E1, class E2>
|
---|
| 2007 | BOOST_UBLAS_INLINE
|
---|
| 2008 | void inplace_solve (const matrix_expression<E1> &e1, vector_expression<E2> &e2,
|
---|
| 2009 | unit_upper_tag) {
|
---|
| 2010 | typedef typename E1::orientation_category orientation_category;
|
---|
| 2011 | inplace_solve (triangular_adaptor<const E1, unit_upper> (e1 ()), e2,
|
---|
| 2012 | unit_upper_tag (), orientation_category ());
|
---|
| 2013 | }
|
---|
| 2014 |
|
---|
| 2015 | template<class E1, class E2, class C>
|
---|
| 2016 | BOOST_UBLAS_INLINE
|
---|
| 2017 | typename matrix_vector_solve_traits<E1, E2>::result_type
|
---|
| 2018 | solve (const matrix_expression<E1> &e1,
|
---|
| 2019 | const vector_expression<E2> &e2,
|
---|
| 2020 | C) {
|
---|
| 2021 | typename matrix_vector_solve_traits<E1, E2>::result_type r (e2);
|
---|
| 2022 | inplace_solve (e1, r, C ());
|
---|
| 2023 | return r;
|
---|
| 2024 | }
|
---|
| 2025 |
|
---|
| 2026 | // Dense (proxy) case
|
---|
| 2027 | template<class E1, class E2>
|
---|
| 2028 | BOOST_UBLAS_INLINE
|
---|
| 2029 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2030 | lower_tag, row_major_tag, dense_proxy_tag) {
|
---|
| 2031 | typedef typename E1::size_type size_type;
|
---|
| 2032 | typedef typename E1::difference_type difference_type;
|
---|
| 2033 | typedef typename E1::value_type value_type;
|
---|
| 2034 |
|
---|
| 2035 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2036 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2037 | size_type size = e1 ().size ();
|
---|
| 2038 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 2039 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2040 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2041 | #else
|
---|
| 2042 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2043 | singular ().raise ();
|
---|
| 2044 | #endif
|
---|
| 2045 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2046 | if (t != value_type/*zero*/()) {
|
---|
| 2047 | for (difference_type m = n - 1; m >= 0; -- m)
|
---|
| 2048 | e1 () (m) -= t * e2 () (n, m);
|
---|
| 2049 | }
|
---|
| 2050 | }
|
---|
| 2051 | }
|
---|
| 2052 | // Packed (proxy) case
|
---|
| 2053 | template<class E1, class E2>
|
---|
| 2054 | BOOST_UBLAS_INLINE
|
---|
| 2055 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2056 | lower_tag, row_major_tag, packed_proxy_tag) {
|
---|
| 2057 | typedef typename E1::size_type size_type;
|
---|
| 2058 | typedef typename E1::difference_type difference_type;
|
---|
| 2059 | typedef typename E1::value_type value_type;
|
---|
| 2060 |
|
---|
| 2061 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2062 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2063 | size_type size = e1 ().size ();
|
---|
| 2064 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 2065 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2066 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2067 | #else
|
---|
| 2068 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2069 | singular ().raise ();
|
---|
| 2070 | #endif
|
---|
| 2071 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2072 | if (t != value_type/*zero*/()) {
|
---|
| 2073 | typename E2::const_reverse_iterator2 it2e2 (e2 ().find2 (1, n, n));
|
---|
| 2074 | typename E2::const_reverse_iterator2 it2e2_rend (e2 ().find2 (1, n, 0));
|
---|
| 2075 | difference_type m (it2e2_rend - it2e2);
|
---|
| 2076 | while (-- m >= 0)
|
---|
| 2077 | e1 () (it2e2.index2 ()) -= *it2e2 * t, ++ it2e2;
|
---|
| 2078 | }
|
---|
| 2079 | }
|
---|
| 2080 | }
|
---|
| 2081 | // Sparse (proxy) case
|
---|
| 2082 | template<class E1, class E2>
|
---|
| 2083 | BOOST_UBLAS_INLINE
|
---|
| 2084 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2085 | lower_tag, row_major_tag, unknown_storage_tag) {
|
---|
| 2086 | typedef typename E1::size_type size_type;
|
---|
| 2087 | typedef typename E1::difference_type difference_type;
|
---|
| 2088 | typedef typename E1::value_type value_type;
|
---|
| 2089 |
|
---|
| 2090 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2091 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2092 | size_type size = e1 ().size ();
|
---|
| 2093 | for (difference_type n = size - 1; n >= 0; -- n) {
|
---|
| 2094 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2095 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2096 | #else
|
---|
| 2097 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2098 | singular ().raise ();
|
---|
| 2099 | #endif
|
---|
| 2100 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2101 | if (t != value_type/*zero*/()) {
|
---|
| 2102 | typename E2::const_reverse_iterator2 it2e2 (e2 ().find2 (1, n, n));
|
---|
| 2103 | typename E2::const_reverse_iterator2 it2e2_rend (e2 ().find2 (1, n, 0));
|
---|
| 2104 | while (it2e2 != it2e2_rend)
|
---|
| 2105 | e1 () (it2e2.index2 ()) -= *it2e2 * t, ++ it2e2;
|
---|
| 2106 | }
|
---|
| 2107 | }
|
---|
| 2108 | }
|
---|
| 2109 | // Redirectors :-)
|
---|
| 2110 | template<class E1, class E2>
|
---|
| 2111 | BOOST_UBLAS_INLINE
|
---|
| 2112 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2113 | lower_tag, row_major_tag) {
|
---|
| 2114 | typedef typename E1::storage_category storage_category;
|
---|
| 2115 | inplace_solve (e1, e2,
|
---|
| 2116 | lower_tag (), row_major_tag (), storage_category ());
|
---|
| 2117 | }
|
---|
| 2118 | template<class E1, class E2>
|
---|
| 2119 | BOOST_UBLAS_INLINE
|
---|
| 2120 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2121 | lower_tag, column_major_tag) {
|
---|
| 2122 | typedef typename E1::storage_category storage_category;
|
---|
| 2123 | inplace_solve (trans (e2), e1,
|
---|
| 2124 | upper_tag (), row_major_tag (), storage_category ());
|
---|
| 2125 | }
|
---|
| 2126 | // Dispatcher
|
---|
| 2127 | template<class E1, class E2>
|
---|
| 2128 | BOOST_UBLAS_INLINE
|
---|
| 2129 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2130 | lower_tag) {
|
---|
| 2131 | typedef typename E2::orientation_category orientation_category;
|
---|
| 2132 | inplace_solve (e1, e2,
|
---|
| 2133 | lower_tag (), orientation_category ());
|
---|
| 2134 | }
|
---|
| 2135 | template<class E1, class E2>
|
---|
| 2136 | BOOST_UBLAS_INLINE
|
---|
| 2137 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2138 | unit_lower_tag) {
|
---|
| 2139 | typedef typename E2::orientation_category orientation_category;
|
---|
| 2140 | inplace_solve (e1, triangular_adaptor<const E2, unit_lower> (e2 ()),
|
---|
| 2141 | unit_lower_tag (), orientation_category ());
|
---|
| 2142 | }
|
---|
| 2143 |
|
---|
| 2144 | // Dense (proxy) case
|
---|
| 2145 | template<class E1, class E2>
|
---|
| 2146 | BOOST_UBLAS_INLINE
|
---|
| 2147 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2148 | upper_tag, row_major_tag, dense_proxy_tag) {
|
---|
| 2149 | typedef typename E1::size_type size_type;
|
---|
| 2150 | typedef typename E1::difference_type difference_type;
|
---|
| 2151 | typedef typename E1::value_type value_type;
|
---|
| 2152 |
|
---|
| 2153 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2154 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2155 | size_type size = e1 ().size ();
|
---|
| 2156 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 2157 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2158 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2159 | #else
|
---|
| 2160 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2161 | singular ().raise ();
|
---|
| 2162 | #endif
|
---|
| 2163 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2164 | if (t != value_type/*zero*/()) {
|
---|
| 2165 | for (size_type m = n + 1; m < size; ++ m)
|
---|
| 2166 | e1 () (m) -= t * e2 () (n, m);
|
---|
| 2167 | }
|
---|
| 2168 | }
|
---|
| 2169 | }
|
---|
| 2170 | // Packed (proxy) case
|
---|
| 2171 | template<class E1, class E2>
|
---|
| 2172 | BOOST_UBLAS_INLINE
|
---|
| 2173 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2174 | upper_tag, row_major_tag, packed_proxy_tag) {
|
---|
| 2175 | typedef typename E1::size_type size_type;
|
---|
| 2176 | typedef typename E1::difference_type difference_type;
|
---|
| 2177 | typedef typename E1::value_type value_type;
|
---|
| 2178 |
|
---|
| 2179 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2180 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2181 | size_type size = e1 ().size ();
|
---|
| 2182 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 2183 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2184 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2185 | #else
|
---|
| 2186 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2187 | singular ().raise ();
|
---|
| 2188 | #endif
|
---|
| 2189 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2190 | if (t != value_type/*zero*/()) {
|
---|
| 2191 | typename E2::const_iterator2 it2e2 (e2 ().find2 (1, n, n + 1));
|
---|
| 2192 | typename E2::const_iterator2 it2e2_end (e2 ().find2 (1, n, e2 ().size2 ()));
|
---|
| 2193 | difference_type m (it2e2_end - it2e2);
|
---|
| 2194 | while (-- m >= 0)
|
---|
| 2195 | e1 () (it2e2.index2 ()) -= *it2e2 * t, ++ it2e2;
|
---|
| 2196 | }
|
---|
| 2197 | }
|
---|
| 2198 | }
|
---|
| 2199 | // Sparse (proxy) case
|
---|
| 2200 | template<class E1, class E2>
|
---|
| 2201 | BOOST_UBLAS_INLINE
|
---|
| 2202 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2203 | upper_tag, row_major_tag, unknown_storage_tag) {
|
---|
| 2204 | typedef typename E1::size_type size_type;
|
---|
| 2205 | typedef typename E1::difference_type difference_type;
|
---|
| 2206 | typedef typename E1::value_type value_type;
|
---|
| 2207 |
|
---|
| 2208 | BOOST_UBLAS_CHECK (e1 ().size () == e2 ().size1 (), bad_size ());
|
---|
| 2209 | BOOST_UBLAS_CHECK (e2 ().size1 () == e2 ().size2 (), bad_size ());
|
---|
| 2210 | size_type size = e1 ().size ();
|
---|
| 2211 | for (size_type n = 0; n < size; ++ n) {
|
---|
| 2212 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2213 | BOOST_UBLAS_CHECK (e2 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2214 | #else
|
---|
| 2215 | if (e2 () (n, n) == value_type/*zero*/())
|
---|
| 2216 | singular ().raise ();
|
---|
| 2217 | #endif
|
---|
| 2218 | value_type t = e1 () (n) /= e2 () (n, n);
|
---|
| 2219 | if (t != value_type/*zero*/()) {
|
---|
| 2220 | typename E2::const_iterator2 it2e2 (e2 ().find2 (1, n, n + 1));
|
---|
| 2221 | typename E2::const_iterator2 it2e2_end (e2 ().find2 (1, n, e2 ().size2 ()));
|
---|
| 2222 | while (it2e2 != it2e2_end)
|
---|
| 2223 | e1 () (it2e2.index2 ()) -= *it2e2 * t, ++ it2e2;
|
---|
| 2224 | }
|
---|
| 2225 | }
|
---|
| 2226 | }
|
---|
| 2227 | // Redirectors :-)
|
---|
| 2228 | template<class E1, class E2>
|
---|
| 2229 | BOOST_UBLAS_INLINE
|
---|
| 2230 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2231 | upper_tag, row_major_tag) {
|
---|
| 2232 | typedef typename E1::storage_category storage_category;
|
---|
| 2233 | inplace_solve (e1, e2,
|
---|
| 2234 | upper_tag (), row_major_tag (), storage_category ());
|
---|
| 2235 | }
|
---|
| 2236 | template<class E1, class E2>
|
---|
| 2237 | BOOST_UBLAS_INLINE
|
---|
| 2238 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2239 | upper_tag, column_major_tag) {
|
---|
| 2240 | typedef typename E1::storage_category storage_category;
|
---|
| 2241 | inplace_solve (trans (e2), e1,
|
---|
| 2242 | lower_tag (), row_major_tag (), storage_category ());
|
---|
| 2243 | }
|
---|
| 2244 | // Dispatcher
|
---|
| 2245 | template<class E1, class E2>
|
---|
| 2246 | BOOST_UBLAS_INLINE
|
---|
| 2247 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2248 | upper_tag) {
|
---|
| 2249 | typedef typename E2::orientation_category orientation_category;
|
---|
| 2250 | inplace_solve (e1, e2,
|
---|
| 2251 | upper_tag (), orientation_category ());
|
---|
| 2252 | }
|
---|
| 2253 | template<class E1, class E2>
|
---|
| 2254 | BOOST_UBLAS_INLINE
|
---|
| 2255 | void inplace_solve (vector_expression<E1> &e1, const matrix_expression<E2> &e2,
|
---|
| 2256 | unit_upper_tag) {
|
---|
| 2257 | typedef typename E2::orientation_category orientation_category;
|
---|
| 2258 | inplace_solve (e1, triangular_adaptor<const E2, unit_upper> (e2 ()),
|
---|
| 2259 | unit_upper_tag (), orientation_category ());
|
---|
| 2260 | }
|
---|
| 2261 |
|
---|
| 2262 | template<class E1, class E2, class C>
|
---|
| 2263 | BOOST_UBLAS_INLINE
|
---|
| 2264 | typename matrix_vector_solve_traits<E1, E2>::result_type
|
---|
| 2265 | solve (const vector_expression<E1> &e1,
|
---|
| 2266 | const matrix_expression<E2> &e2,
|
---|
| 2267 | C) {
|
---|
| 2268 | typename matrix_vector_solve_traits<E1, E2>::result_type r (e1);
|
---|
| 2269 | inplace_solve (r, e2, C ());
|
---|
| 2270 | return r;
|
---|
| 2271 | }
|
---|
| 2272 |
|
---|
| 2273 | template<class E1, class E2>
|
---|
| 2274 | struct matrix_matrix_solve_traits {
|
---|
| 2275 | typedef typename promote_traits<typename E1::value_type, typename E2::value_type>::promote_type promote_type;
|
---|
| 2276 | typedef matrix<promote_type> result_type;
|
---|
| 2277 | };
|
---|
| 2278 |
|
---|
| 2279 | // Operations:
|
---|
| 2280 | // k * n * (n - 1) / 2 + k * n = k * n * (n + 1) / 2 multiplications,
|
---|
| 2281 | // k * n * (n - 1) / 2 additions
|
---|
| 2282 |
|
---|
| 2283 | // Dense (proxy) case
|
---|
| 2284 | template<class E1, class E2>
|
---|
| 2285 | BOOST_UBLAS_INLINE
|
---|
| 2286 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2287 | lower_tag, dense_proxy_tag) {
|
---|
| 2288 | typedef typename E2::size_type size_type;
|
---|
| 2289 | typedef typename E2::difference_type difference_type;
|
---|
| 2290 | typedef typename E2::value_type value_type;
|
---|
| 2291 |
|
---|
| 2292 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2293 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2294 | size_type size1 = e2 ().size1 ();
|
---|
| 2295 | size_type size2 = e2 ().size2 ();
|
---|
| 2296 | for (size_type n = 0; n < size1; ++ n) {
|
---|
| 2297 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2298 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2299 | #else
|
---|
| 2300 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2301 | singular ().raise ();
|
---|
| 2302 | #endif
|
---|
| 2303 | for (size_type l = 0; l < size2; ++ l) {
|
---|
| 2304 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2305 | if (t != value_type/*zero*/()) {
|
---|
| 2306 | for (size_type m = n + 1; m < size1; ++ m)
|
---|
| 2307 | e2 () (m, l) -= e1 () (m, n) * t;
|
---|
| 2308 | }
|
---|
| 2309 | }
|
---|
| 2310 | }
|
---|
| 2311 | }
|
---|
| 2312 | // Packed (proxy) case
|
---|
| 2313 | template<class E1, class E2>
|
---|
| 2314 | BOOST_UBLAS_INLINE
|
---|
| 2315 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2316 | lower_tag, packed_proxy_tag) {
|
---|
| 2317 | typedef typename E2::size_type size_type;
|
---|
| 2318 | typedef typename E2::difference_type difference_type;
|
---|
| 2319 | typedef typename E2::value_type value_type;
|
---|
| 2320 |
|
---|
| 2321 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2322 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2323 | size_type size1 = e2 ().size1 ();
|
---|
| 2324 | size_type size2 = e2 ().size2 ();
|
---|
| 2325 | for (size_type n = 0; n < size1; ++ n) {
|
---|
| 2326 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2327 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2328 | #else
|
---|
| 2329 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2330 | singular ().raise ();
|
---|
| 2331 | #endif
|
---|
| 2332 | for (size_type l = 0; l < size2; ++ l) {
|
---|
| 2333 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2334 | if (t != value_type/*zero*/()) {
|
---|
| 2335 | typename E1::const_iterator1 it1e1 (e1 ().find1 (1, n + 1, n));
|
---|
| 2336 | typename E1::const_iterator1 it1e1_end (e1 ().find1 (1, e1 ().size1 (), n));
|
---|
| 2337 | difference_type m (it1e1_end - it1e1);
|
---|
| 2338 | while (-- m >= 0)
|
---|
| 2339 | e2 () (it1e1.index1 (), l) -= *it1e1 * t, ++ it1e1;
|
---|
| 2340 | }
|
---|
| 2341 | }
|
---|
| 2342 | }
|
---|
| 2343 | }
|
---|
| 2344 | // Sparse (proxy) case
|
---|
| 2345 | template<class E1, class E2>
|
---|
| 2346 | BOOST_UBLAS_INLINE
|
---|
| 2347 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2348 | lower_tag, unknown_storage_tag) {
|
---|
| 2349 | typedef typename E2::size_type size_type;
|
---|
| 2350 | typedef typename E2::difference_type difference_type;
|
---|
| 2351 | typedef typename E2::value_type value_type;
|
---|
| 2352 |
|
---|
| 2353 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2354 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2355 | size_type size1 = e2 ().size1 ();
|
---|
| 2356 | size_type size2 = e2 ().size2 ();
|
---|
| 2357 | for (size_type n = 0; n < size1; ++ n) {
|
---|
| 2358 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2359 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2360 | #else
|
---|
| 2361 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2362 | singular ().raise ();
|
---|
| 2363 | #endif
|
---|
| 2364 | for (size_type l = 0; l < size2; ++ l) {
|
---|
| 2365 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2366 | if (t != value_type/*zero*/()) {
|
---|
| 2367 | typename E1::const_iterator1 it1e1 (e1 ().find1 (1, n + 1, n));
|
---|
| 2368 | typename E1::const_iterator1 it1e1_end (e1 ().find1 (1, e1 ().size1 (), n));
|
---|
| 2369 | while (it1e1 != it1e1_end)
|
---|
| 2370 | e2 () (it1e1.index1 (), l) -= *it1e1 * t, ++ it1e1;
|
---|
| 2371 | }
|
---|
| 2372 | }
|
---|
| 2373 | }
|
---|
| 2374 | }
|
---|
| 2375 | // Dispatcher
|
---|
| 2376 | template<class E1, class E2>
|
---|
| 2377 | BOOST_UBLAS_INLINE
|
---|
| 2378 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2379 | lower_tag) {
|
---|
| 2380 | typedef typename E1::storage_category dispatch_category;
|
---|
| 2381 | inplace_solve (e1, e2,
|
---|
| 2382 | lower_tag (), dispatch_category ());
|
---|
| 2383 | }
|
---|
| 2384 | template<class E1, class E2>
|
---|
| 2385 | BOOST_UBLAS_INLINE
|
---|
| 2386 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2387 | unit_lower_tag) {
|
---|
| 2388 | typedef typename E1::storage_category dispatch_category;
|
---|
| 2389 | inplace_solve (triangular_adaptor<const E1, unit_lower> (e1 ()), e2,
|
---|
| 2390 | unit_lower_tag (), dispatch_category ());
|
---|
| 2391 | }
|
---|
| 2392 |
|
---|
| 2393 | // Dense (proxy) case
|
---|
| 2394 | template<class E1, class E2>
|
---|
| 2395 | BOOST_UBLAS_INLINE
|
---|
| 2396 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2397 | upper_tag, dense_proxy_tag) {
|
---|
| 2398 | typedef typename E2::size_type size_type;
|
---|
| 2399 | typedef typename E2::difference_type difference_type;
|
---|
| 2400 | typedef typename E2::value_type value_type;
|
---|
| 2401 |
|
---|
| 2402 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2403 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2404 | size_type size1 = e2 ().size1 ();
|
---|
| 2405 | size_type size2 = e2 ().size2 ();
|
---|
| 2406 | for (difference_type n = size1 - 1; n >= 0; -- n) {
|
---|
| 2407 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2408 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2409 | #else
|
---|
| 2410 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2411 | singular ().raise ();
|
---|
| 2412 | #endif
|
---|
| 2413 | for (difference_type l = size2 - 1; l >= 0; -- l) {
|
---|
| 2414 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2415 | if (t != value_type/*zero*/()) {
|
---|
| 2416 | for (difference_type m = n - 1; m >= 0; -- m)
|
---|
| 2417 | e2 () (m, l) -= e1 () (m, n) * t;
|
---|
| 2418 | }
|
---|
| 2419 | }
|
---|
| 2420 | }
|
---|
| 2421 | }
|
---|
| 2422 | // Packed (proxy) case
|
---|
| 2423 | template<class E1, class E2>
|
---|
| 2424 | BOOST_UBLAS_INLINE
|
---|
| 2425 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2426 | upper_tag, packed_proxy_tag) {
|
---|
| 2427 | typedef typename E2::size_type size_type;
|
---|
| 2428 | typedef typename E2::difference_type difference_type;
|
---|
| 2429 | typedef typename E2::value_type value_type;
|
---|
| 2430 |
|
---|
| 2431 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2432 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2433 | size_type size1 = e2 ().size1 ();
|
---|
| 2434 | size_type size2 = e2 ().size2 ();
|
---|
| 2435 | for (difference_type n = size1 - 1; n >= 0; -- n) {
|
---|
| 2436 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2437 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2438 | #else
|
---|
| 2439 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2440 | singular ().raise ();
|
---|
| 2441 | #endif
|
---|
| 2442 | for (difference_type l = size2 - 1; l >= 0; -- l) {
|
---|
| 2443 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2444 | if (t != value_type/*zero*/()) {
|
---|
| 2445 | typename E1::const_reverse_iterator1 it1e1 (e1 ().find1 (1, n, n));
|
---|
| 2446 | typename E1::const_reverse_iterator1 it1e1_rend (e1 ().find1 (1, 0, n));
|
---|
| 2447 | difference_type m (it1e1_rend - it1e1);
|
---|
| 2448 | while (-- m >= 0)
|
---|
| 2449 | e2 () (it1e1.index1 (), l) -= *it1e1 * t, ++ it1e1;
|
---|
| 2450 | }
|
---|
| 2451 | }
|
---|
| 2452 | }
|
---|
| 2453 | }
|
---|
| 2454 | // Sparse (proxy) case
|
---|
| 2455 | template<class E1, class E2>
|
---|
| 2456 | BOOST_UBLAS_INLINE
|
---|
| 2457 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2458 | upper_tag, unknown_storage_tag) {
|
---|
| 2459 | typedef typename E2::size_type size_type;
|
---|
| 2460 | typedef typename E2::difference_type difference_type;
|
---|
| 2461 | typedef typename E2::value_type value_type;
|
---|
| 2462 |
|
---|
| 2463 | BOOST_UBLAS_CHECK (e1 ().size1 () == e1 ().size2 (), bad_size ());
|
---|
| 2464 | BOOST_UBLAS_CHECK (e1 ().size2 () == e2 ().size1 (), bad_size ());
|
---|
| 2465 | size_type size1 = e2 ().size1 ();
|
---|
| 2466 | size_type size2 = e2 ().size2 ();
|
---|
| 2467 | for (difference_type n = size1 - 1; n >= 0; -- n) {
|
---|
| 2468 | #ifndef BOOST_UBLAS_SINGULAR_CHECK
|
---|
| 2469 | BOOST_UBLAS_CHECK (e1 () (n, n) != value_type/*zero*/(), singular ());
|
---|
| 2470 | #else
|
---|
| 2471 | if (e1 () (n, n) == value_type/*zero*/())
|
---|
| 2472 | singular ().raise ();
|
---|
| 2473 | #endif
|
---|
| 2474 | for (difference_type l = size2 - 1; l >= 0; -- l) {
|
---|
| 2475 | value_type t = e2 () (n, l) /= e1 () (n, n);
|
---|
| 2476 | if (t != value_type/*zero*/()) {
|
---|
| 2477 | typename E1::const_reverse_iterator1 it1e1 (e1 ().find1 (1, n, n));
|
---|
| 2478 | typename E1::const_reverse_iterator1 it1e1_rend (e1 ().find1 (1, 0, n));
|
---|
| 2479 | while (it1e1 != it1e1_rend)
|
---|
| 2480 | e2 () (it1e1.index1 (), l) -= *it1e1 * t, ++ it1e1;
|
---|
| 2481 | }
|
---|
| 2482 | }
|
---|
| 2483 | }
|
---|
| 2484 | }
|
---|
| 2485 | // Dispatcher
|
---|
| 2486 | template<class E1, class E2>
|
---|
| 2487 | BOOST_UBLAS_INLINE
|
---|
| 2488 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2489 | upper_tag) {
|
---|
| 2490 | typedef typename E1::storage_category dispatch_category;
|
---|
| 2491 | inplace_solve (e1, e2,
|
---|
| 2492 | upper_tag (), dispatch_category ());
|
---|
| 2493 | }
|
---|
| 2494 | template<class E1, class E2>
|
---|
| 2495 | BOOST_UBLAS_INLINE
|
---|
| 2496 | void inplace_solve (const matrix_expression<E1> &e1, matrix_expression<E2> &e2,
|
---|
| 2497 | unit_upper_tag) {
|
---|
| 2498 | typedef typename E1::storage_category dispatch_category;
|
---|
| 2499 | inplace_solve (triangular_adaptor<const E1, unit_upper> (e1 ()), e2,
|
---|
| 2500 | unit_upper_tag (), dispatch_category ());
|
---|
| 2501 | }
|
---|
| 2502 |
|
---|
| 2503 | template<class E1, class E2, class C>
|
---|
| 2504 | BOOST_UBLAS_INLINE
|
---|
| 2505 | typename matrix_matrix_solve_traits<E1, E2>::result_type
|
---|
| 2506 | solve (const matrix_expression<E1> &e1,
|
---|
| 2507 | const matrix_expression<E2> &e2,
|
---|
| 2508 | C) {
|
---|
| 2509 | typename matrix_matrix_solve_traits<E1, E2>::result_type r (e2);
|
---|
| 2510 | inplace_solve (e1, r, C ());
|
---|
| 2511 | return r;
|
---|
| 2512 | }
|
---|
| 2513 |
|
---|
| 2514 | }}}
|
---|
| 2515 |
|
---|
| 2516 | #endif
|
---|