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2310 lines
88 KiB
C++
2310 lines
88 KiB
C++
//
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// Copyright (c) 2000-2002
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// Joerg Walter, Mathias Koch
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// The authors gratefully acknowledge the support of
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// GeNeSys mbH & Co. KG in producing this work.
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//
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#ifndef _BOOST_UBLAS_SYMMETRIC_
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#define _BOOST_UBLAS_SYMMETRIC_
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#include <boost/numeric/ublas/matrix.hpp>
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#include <boost/numeric/ublas/triangular.hpp>
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#include <boost/numeric/ublas/detail/temporary.hpp>
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// Iterators based on ideas of Jeremy Siek
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// Symmetric matrices are square. Thanks to Peter Schmitteckert for spotting this.
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namespace boost { namespace numeric { namespace ublas {
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template<class M>
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bool is_symmetric (const M &m) {
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typedef typename M::size_type size_type;
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if (m.size1 () != m.size2 ())
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return false;
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size_type size = BOOST_UBLAS_SAME (m.size1 (), m.size2 ());
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for (size_type i = 0; i < size; ++ i) {
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for (size_type j = i; j < size; ++ j) {
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if (m (i, j) != m (j, i))
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return false;
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}
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}
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return true;
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}
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// Array based symmetric matrix class
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template<class T, class TRI, class L, class A>
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class symmetric_matrix:
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public matrix_container<symmetric_matrix<T, TRI, L, A> > {
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typedef T *pointer;
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typedef TRI triangular_type;
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typedef L layout_type;
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typedef symmetric_matrix<T, TRI, L, A> self_type;
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public:
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#ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
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using matrix_container<self_type>::operator ();
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#endif
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typedef typename A::size_type size_type;
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typedef typename A::difference_type difference_type;
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typedef T value_type;
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typedef const T &const_reference;
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typedef T &reference;
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typedef A array_type;
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typedef const matrix_reference<const self_type> const_closure_type;
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typedef matrix_reference<self_type> closure_type;
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typedef vector<T, A> vector_temporary_type;
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typedef matrix<T, L, A> matrix_temporary_type; // general sub-matrix
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typedef packed_tag storage_category;
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typedef typename L::orientation_category orientation_category;
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// Construction and destruction
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BOOST_UBLAS_INLINE
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symmetric_matrix ():
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matrix_container<self_type> (),
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size_ (0), data_ (0) {}
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BOOST_UBLAS_INLINE
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symmetric_matrix (size_type size):
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matrix_container<self_type> (),
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size_ (BOOST_UBLAS_SAME (size, size)), data_ (triangular_type::packed_size (layout_type (), size, size)) {
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}
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BOOST_UBLAS_INLINE
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symmetric_matrix (size_type size1, size_type size2):
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matrix_container<self_type> (),
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size_ (BOOST_UBLAS_SAME (size1, size2)), data_ (triangular_type::packed_size (layout_type (), size1, size2)) {
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}
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BOOST_UBLAS_INLINE
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symmetric_matrix (size_type size, const array_type &data):
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matrix_container<self_type> (),
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size_ (size), data_ (data) {}
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BOOST_UBLAS_INLINE
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symmetric_matrix (const symmetric_matrix &m):
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matrix_container<self_type> (),
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size_ (m.size_), data_ (m.data_) {}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix (const matrix_expression<AE> &ae):
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matrix_container<self_type> (),
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size_ (BOOST_UBLAS_SAME (ae ().size1 (), ae ().size2 ())),
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data_ (triangular_type::packed_size (layout_type (), size_, size_)) {
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matrix_assign<scalar_assign> (*this, ae);
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}
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// Accessors
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BOOST_UBLAS_INLINE
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size_type size1 () const {
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return size_;
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}
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BOOST_UBLAS_INLINE
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size_type size2 () const {
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return size_;
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}
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// Storage accessors
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BOOST_UBLAS_INLINE
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const array_type &data () const {
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return data_;
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}
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BOOST_UBLAS_INLINE
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array_type &data () {
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return data_;
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}
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// Resizing
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BOOST_UBLAS_INLINE
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void resize (size_type size, bool preserve = true) {
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if (preserve) {
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self_type temporary (size, size);
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detail::matrix_resize_preserve<layout_type, triangular_type> (*this, temporary);
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}
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else {
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data ().resize (triangular_type::packed_size (layout_type (), size, size));
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size_ = size;
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}
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}
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BOOST_UBLAS_INLINE
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void resize (size_type size1, size_type size2, bool preserve = true) {
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resize (BOOST_UBLAS_SAME (size1, size2), preserve);
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}
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BOOST_UBLAS_INLINE
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void resize_packed_preserve (size_type size) {
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size_ = BOOST_UBLAS_SAME (size, size);
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data ().resize (triangular_type::packed_size (layout_type (), size_, size_), value_type ());
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}
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// Element access
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BOOST_UBLAS_INLINE
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const_reference operator () (size_type i, size_type j) const {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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BOOST_UBLAS_CHECK (j < size_, bad_index ());
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if (triangular_type::other (i, j))
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return data () [triangular_type::element (layout_type (), i, size_, j, size_)];
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else
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return data () [triangular_type::element (layout_type (), j, size_, i, size_)];
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}
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BOOST_UBLAS_INLINE
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reference at_element (size_type i, size_type j) {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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BOOST_UBLAS_CHECK (j < size_, bad_index ());
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return data () [triangular_type::element (layout_type (), i, size_, j, size_)];
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}
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BOOST_UBLAS_INLINE
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reference operator () (size_type i, size_type j) {
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BOOST_UBLAS_CHECK (i < size_, bad_index ());
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BOOST_UBLAS_CHECK (j < size_, bad_index ());
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if (triangular_type::other (i, j))
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return data () [triangular_type::element (layout_type (), i, size_, j, size_)];
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else
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return data () [triangular_type::element (layout_type (), j, size_, i, size_)];
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}
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// Element assignment
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BOOST_UBLAS_INLINE
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reference insert_element (size_type i, size_type j, const_reference t) {
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return (operator () (i, j) = t);
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}
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BOOST_UBLAS_INLINE
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void erase_element (size_type i, size_type j) {
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operator () (i, j) = value_type/*zero*/();
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}
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// Zeroing
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BOOST_UBLAS_INLINE
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void clear () {
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// data ().clear ();
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std::fill (data ().begin (), data ().end (), value_type/*zero*/());
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}
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// Assignment
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BOOST_UBLAS_INLINE
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symmetric_matrix &operator = (const symmetric_matrix &m) {
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size_ = m.size_;
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data () = m.data ();
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return *this;
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}
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BOOST_UBLAS_INLINE
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symmetric_matrix &assign_temporary (symmetric_matrix &m) {
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swap (m);
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return *this;
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix &operator = (const matrix_expression<AE> &ae) {
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self_type temporary (ae);
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return assign_temporary (temporary);
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix &assign (const matrix_expression<AE> &ae) {
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matrix_assign<scalar_assign> (*this, ae);
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return *this;
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix& operator += (const matrix_expression<AE> &ae) {
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self_type temporary (*this + ae);
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return assign_temporary (temporary);
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix &plus_assign (const matrix_expression<AE> &ae) {
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matrix_assign<scalar_plus_assign> (*this, ae);
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return *this;
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix& operator -= (const matrix_expression<AE> &ae) {
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self_type temporary (*this - ae);
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return assign_temporary (temporary);
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}
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template<class AE>
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BOOST_UBLAS_INLINE
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symmetric_matrix &minus_assign (const matrix_expression<AE> &ae) {
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matrix_assign<scalar_minus_assign> (*this, ae);
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return *this;
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}
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template<class AT>
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BOOST_UBLAS_INLINE
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symmetric_matrix& operator *= (const AT &at) {
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matrix_assign_scalar<scalar_multiplies_assign> (*this, at);
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return *this;
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}
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template<class AT>
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BOOST_UBLAS_INLINE
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symmetric_matrix& operator /= (const AT &at) {
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matrix_assign_scalar<scalar_divides_assign> (*this, at);
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return *this;
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}
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// Swapping
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BOOST_UBLAS_INLINE
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void swap (symmetric_matrix &m) {
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if (this != &m) {
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std::swap (size_, m.size_);
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data ().swap (m.data ());
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}
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}
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BOOST_UBLAS_INLINE
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friend void swap (symmetric_matrix &m1, symmetric_matrix &m2) {
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m1.swap (m2);
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}
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// Iterator types
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#ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
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typedef indexed_iterator1<self_type, packed_random_access_iterator_tag> iterator1;
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typedef indexed_iterator2<self_type, packed_random_access_iterator_tag> iterator2;
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typedef indexed_const_iterator1<self_type, dense_random_access_iterator_tag> const_iterator1;
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typedef indexed_const_iterator2<self_type, dense_random_access_iterator_tag> const_iterator2;
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#else
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class const_iterator1;
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class iterator1;
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class const_iterator2;
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class iterator2;
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#endif
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typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
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typedef reverse_iterator_base1<iterator1> reverse_iterator1;
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typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
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typedef reverse_iterator_base2<iterator2> reverse_iterator2;
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// Element lookup
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BOOST_UBLAS_INLINE
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const_iterator1 find1 (int /* rank */, size_type i, size_type j) const {
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return const_iterator1 (*this, i, j);
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}
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BOOST_UBLAS_INLINE
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iterator1 find1 (int rank, size_type i, size_type j) {
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if (rank == 1)
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i = triangular_type::mutable_restrict1 (i, j, size1(), size2());
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if (rank == 0)
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i = triangular_type::global_mutable_restrict1 (i, size1(), j, size2());
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return iterator1 (*this, i, j);
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}
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BOOST_UBLAS_INLINE
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const_iterator2 find2 (int /* rank */, size_type i, size_type j) const {
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return const_iterator2 (*this, i, j);
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}
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BOOST_UBLAS_INLINE
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iterator2 find2 (int rank, size_type i, size_type j) {
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if (rank == 1)
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j = triangular_type::mutable_restrict2 (i, j, size1(), size2());
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if (rank == 0)
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j = triangular_type::global_mutable_restrict2 (i, size1(), j, size2());
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return iterator2 (*this, i, j);
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}
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// Iterators simply are indices.
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#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
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class const_iterator1:
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public container_const_reference<symmetric_matrix>,
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public random_access_iterator_base<dense_random_access_iterator_tag,
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const_iterator1, value_type> {
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public:
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typedef typename symmetric_matrix::value_type value_type;
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typedef typename symmetric_matrix::difference_type difference_type;
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typedef typename symmetric_matrix::const_reference reference;
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typedef const typename symmetric_matrix::pointer pointer;
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typedef const_iterator2 dual_iterator_type;
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typedef const_reverse_iterator2 dual_reverse_iterator_type;
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// Construction and destruction
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BOOST_UBLAS_INLINE
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const_iterator1 ():
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container_const_reference<self_type> (), it1_ (), it2_ () {}
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BOOST_UBLAS_INLINE
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const_iterator1 (const self_type &m, size_type it1, size_type it2):
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container_const_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
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BOOST_UBLAS_INLINE
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const_iterator1 (const iterator1 &it):
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container_const_reference<self_type> (it ()), it1_ (it.it1_), it2_ (it.it2_) {}
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// Arithmetic
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BOOST_UBLAS_INLINE
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const_iterator1 &operator ++ () {
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++ it1_;
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return *this;
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}
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BOOST_UBLAS_INLINE
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const_iterator1 &operator -- () {
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-- it1_;
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return *this;
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}
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BOOST_UBLAS_INLINE
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const_iterator1 &operator += (difference_type n) {
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it1_ += n;
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return *this;
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}
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BOOST_UBLAS_INLINE
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const_iterator1 &operator -= (difference_type n) {
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it1_ -= n;
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return *this;
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}
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BOOST_UBLAS_INLINE
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difference_type operator - (const const_iterator1 &it) const {
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BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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return it1_ - it.it1_;
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}
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// Dereference
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BOOST_UBLAS_INLINE
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const_reference operator * () const {
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return (*this) () (it1_, it2_);
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}
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BOOST_UBLAS_INLINE
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const_reference operator [] (difference_type n) const {
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return *(*this + n);
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}
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#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_iterator2 begin () const {
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return (*this) ().find2 (1, it1_, 0);
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_iterator2 cbegin () const {
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return begin ();
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_iterator2 end () const {
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return (*this) ().find2 (1, it1_, (*this) ().size2 ());
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_iterator2 cend () const {
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return end ();
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_reverse_iterator2 rbegin () const {
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return const_reverse_iterator2 (end ());
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_reverse_iterator2 crbegin () const {
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return rbegin ();
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_reverse_iterator2 rend () const {
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return const_reverse_iterator2 (begin ());
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}
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BOOST_UBLAS_INLINE
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#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
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typename self_type::
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#endif
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const_reverse_iterator2 crend () const {
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return rend ();
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}
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#endif
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// Indices
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BOOST_UBLAS_INLINE
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size_type index1 () const {
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return it1_;
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}
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BOOST_UBLAS_INLINE
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size_type index2 () const {
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return it2_;
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}
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// Assignment
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BOOST_UBLAS_INLINE
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const_iterator1 &operator = (const const_iterator1 &it) {
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container_const_reference<self_type>::assign (&it ());
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it1_ = it.it1_;
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it2_ = it.it2_;
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return *this;
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}
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// Comparison
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BOOST_UBLAS_INLINE
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bool operator == (const const_iterator1 &it) const {
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BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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return it1_ == it.it1_;
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}
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BOOST_UBLAS_INLINE
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bool operator < (const const_iterator1 &it) const {
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BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
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BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
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return it1_ < it.it1_;
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}
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private:
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size_type it1_;
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size_type it2_;
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};
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#endif
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BOOST_UBLAS_INLINE
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const_iterator1 begin1 () const {
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return find1 (0, 0, 0);
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}
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BOOST_UBLAS_INLINE
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const_iterator1 cbegin1 () const {
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return begin1 ();
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}
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BOOST_UBLAS_INLINE
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const_iterator1 end1 () const {
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return find1 (0, size_, 0);
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}
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BOOST_UBLAS_INLINE
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const_iterator1 cend1 () const {
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return end1 ();
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}
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#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
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class iterator1:
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public container_reference<symmetric_matrix>,
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public random_access_iterator_base<packed_random_access_iterator_tag,
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iterator1, value_type> {
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public:
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typedef typename symmetric_matrix::value_type value_type;
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typedef typename symmetric_matrix::difference_type difference_type;
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typedef typename symmetric_matrix::reference reference;
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typedef typename symmetric_matrix::pointer pointer;
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typedef iterator2 dual_iterator_type;
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typedef reverse_iterator2 dual_reverse_iterator_type;
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// Construction and destruction
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BOOST_UBLAS_INLINE
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|
iterator1 ():
|
|
container_reference<self_type> (), it1_ (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 (self_type &m, size_type it1, size_type it2):
|
|
container_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator ++ () {
|
|
++ it1_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator -- () {
|
|
-- it1_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator += (difference_type n) {
|
|
it1_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator -= (difference_type n) {
|
|
it1_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
|
return it1_ - it.it1_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
reference operator * () const {
|
|
return (*this) () (it1_, it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator2 begin () const {
|
|
return (*this) ().find2 (1, it1_, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator2 end () const {
|
|
return (*this) ().find2 (1, it1_, (*this) ().size2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator2 rbegin () const {
|
|
return reverse_iterator2 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator2 rend () const {
|
|
return reverse_iterator2 (begin ());
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
return it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
return it2_;
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator = (const iterator1 &it) {
|
|
container_reference<self_type>::assign (&it ());
|
|
it1_ = it.it1_;
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
|
return it1_ == it.it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it2_ == it.it2_, external_logic ());
|
|
return it1_ < it.it1_;
|
|
}
|
|
|
|
private:
|
|
size_type it1_;
|
|
size_type it2_;
|
|
|
|
friend class const_iterator1;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 begin1 () {
|
|
return find1 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 end1 () {
|
|
return find1 (0, size_, 0);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class const_iterator2:
|
|
public container_const_reference<symmetric_matrix>,
|
|
public random_access_iterator_base<dense_random_access_iterator_tag,
|
|
const_iterator2, value_type> {
|
|
public:
|
|
typedef typename symmetric_matrix::value_type value_type;
|
|
typedef typename symmetric_matrix::difference_type difference_type;
|
|
typedef typename symmetric_matrix::const_reference reference;
|
|
typedef const typename symmetric_matrix::pointer pointer;
|
|
|
|
typedef const_iterator1 dual_iterator_type;
|
|
typedef const_reverse_iterator1 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 ():
|
|
container_const_reference<self_type> (), it1_ (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 (const self_type &m, size_type it1, size_type it2):
|
|
container_const_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 (const iterator2 &it):
|
|
container_const_reference<self_type> (it ()), it1_ (it.it1_), it2_ (it.it2_) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator ++ () {
|
|
++ it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator -- () {
|
|
-- it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator += (difference_type n) {
|
|
it2_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator -= (difference_type n) {
|
|
it2_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ - it.it2_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
return (*this) () (it1_, it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 begin () const {
|
|
return (*this) ().find1 (1, 0, it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 end () const {
|
|
return (*this) ().find1 (1, (*this) ().size1 (), it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 cend () const {
|
|
return end ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 rbegin () const {
|
|
return const_reverse_iterator1 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 rend () const {
|
|
return const_reverse_iterator1 (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 crend () const {
|
|
return rend ();
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
return it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
return it2_;
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator = (const const_iterator2 &it) {
|
|
container_const_reference<self_type>::assign (&it ());
|
|
it1_ = it.it1_;
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ == it.it2_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ < it.it2_;
|
|
}
|
|
|
|
private:
|
|
size_type it1_;
|
|
size_type it2_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 begin2 () const {
|
|
return find2 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 cbegin2 () const {
|
|
return begin2 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 end2 () const {
|
|
return find2 (0, 0, size_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 cend2 () const {
|
|
return end2 ();
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class iterator2:
|
|
public container_reference<symmetric_matrix>,
|
|
public random_access_iterator_base<packed_random_access_iterator_tag,
|
|
iterator2, value_type> {
|
|
public:
|
|
typedef typename symmetric_matrix::value_type value_type;
|
|
typedef typename symmetric_matrix::difference_type difference_type;
|
|
typedef typename symmetric_matrix::reference reference;
|
|
typedef typename symmetric_matrix::pointer pointer;
|
|
|
|
typedef iterator1 dual_iterator_type;
|
|
typedef reverse_iterator1 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 ():
|
|
container_reference<self_type> (), it1_ (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 (self_type &m, size_type it1, size_type it2):
|
|
container_reference<self_type> (m), it1_ (it1), it2_ (it2) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator ++ () {
|
|
++ it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator -- () {
|
|
-- it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator += (difference_type n) {
|
|
it2_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator -= (difference_type n) {
|
|
it2_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ - it.it2_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
reference operator * () const {
|
|
return (*this) () (it1_, it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator1 begin () const {
|
|
return (*this) ().find1 (1, 0, it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator1 end () const {
|
|
return (*this) ().find1 (1, (*this) ().size1 (), it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator1 rbegin () const {
|
|
return reverse_iterator1 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator1 rend () const {
|
|
return reverse_iterator1 (begin ());
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
return it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
return it2_;
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator = (const iterator2 &it) {
|
|
container_reference<self_type>::assign (&it ());
|
|
it1_ = it.it1_;
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ == it.it2_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (it1_ == it.it1_, external_logic ());
|
|
return it2_ < it.it2_;
|
|
}
|
|
|
|
private:
|
|
size_type it1_;
|
|
size_type it2_;
|
|
|
|
friend class const_iterator2;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 begin2 () {
|
|
return find2 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 end2 () {
|
|
return find2 (0, 0, size_);
|
|
}
|
|
|
|
// Reverse iterators
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 rbegin1 () const {
|
|
return const_reverse_iterator1 (end1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 crbegin1 () const {
|
|
return rbegin1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 rend1 () const {
|
|
return const_reverse_iterator1 (begin1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 crend1 () const {
|
|
return rend1 ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator1 rbegin1 () {
|
|
return reverse_iterator1 (end1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator1 rend1 () {
|
|
return reverse_iterator1 (begin1 ());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 rbegin2 () const {
|
|
return const_reverse_iterator2 (end2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 crbegin2 () const {
|
|
return rbegin2 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 rend2 () const {
|
|
return const_reverse_iterator2 (begin2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 crend2 () const {
|
|
return rend2 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator2 rbegin2 () {
|
|
return reverse_iterator2 (end2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator2 rend2 () {
|
|
return reverse_iterator2 (begin2 ());
|
|
}
|
|
|
|
private:
|
|
size_type size_;
|
|
array_type data_;
|
|
};
|
|
|
|
|
|
// Symmetric matrix adaptor class
|
|
template<class M, class TRI>
|
|
class symmetric_adaptor:
|
|
public matrix_expression<symmetric_adaptor<M, TRI> > {
|
|
|
|
typedef symmetric_adaptor<M, TRI> self_type;
|
|
public:
|
|
#ifdef BOOST_UBLAS_ENABLE_PROXY_SHORTCUTS
|
|
using matrix_expression<self_type>::operator ();
|
|
#endif
|
|
typedef const M const_matrix_type;
|
|
typedef M matrix_type;
|
|
typedef TRI triangular_type;
|
|
typedef typename M::size_type size_type;
|
|
typedef typename M::difference_type difference_type;
|
|
typedef typename M::value_type value_type;
|
|
typedef typename M::const_reference const_reference;
|
|
typedef typename boost::mpl::if_<boost::is_const<M>,
|
|
typename M::const_reference,
|
|
typename M::reference>::type reference;
|
|
typedef typename boost::mpl::if_<boost::is_const<M>,
|
|
typename M::const_closure_type,
|
|
typename M::closure_type>::type matrix_closure_type;
|
|
typedef const self_type const_closure_type;
|
|
typedef self_type closure_type;
|
|
// Replaced by _temporary_traits to avoid type requirements on M
|
|
//typedef typename M::vector_temporary_type vector_temporary_type;
|
|
//typedef typename M::matrix_temporary_type matrix_temporary_type;
|
|
typedef typename storage_restrict_traits<typename M::storage_category,
|
|
packed_proxy_tag>::storage_category storage_category;
|
|
typedef typename M::orientation_category orientation_category;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor (matrix_type &data):
|
|
matrix_expression<self_type> (),
|
|
data_ (data) {
|
|
BOOST_UBLAS_CHECK (data_.size1 () == data_.size2 (), bad_size ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor (const symmetric_adaptor &m):
|
|
matrix_expression<self_type> (),
|
|
data_ (m.data_) {
|
|
BOOST_UBLAS_CHECK (data_.size1 () == data_.size2 (), bad_size ());
|
|
}
|
|
|
|
// Accessors
|
|
BOOST_UBLAS_INLINE
|
|
size_type size1 () const {
|
|
return data_.size1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type size2 () const {
|
|
return data_.size2 ();
|
|
}
|
|
|
|
// Storage accessors
|
|
BOOST_UBLAS_INLINE
|
|
const matrix_closure_type &data () const {
|
|
return data_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
matrix_closure_type &data () {
|
|
return data_;
|
|
}
|
|
|
|
// Element access
|
|
#ifndef BOOST_UBLAS_PROXY_CONST_MEMBER
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator () (size_type i, size_type j) const {
|
|
BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
|
BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
|
if (triangular_type::other (i, j))
|
|
return data () (i, j);
|
|
else
|
|
return data () (j, i);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator () (size_type i, size_type j) {
|
|
BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
|
BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
|
if (triangular_type::other (i, j))
|
|
return data () (i, j);
|
|
else
|
|
return data () (j, i);
|
|
}
|
|
#else
|
|
BOOST_UBLAS_INLINE
|
|
reference operator () (size_type i, size_type j) const {
|
|
BOOST_UBLAS_CHECK (i < size1 (), bad_index ());
|
|
BOOST_UBLAS_CHECK (j < size2 (), bad_index ());
|
|
if (triangular_type::other (i, j))
|
|
return data () (i, j);
|
|
else
|
|
return data () (j, i);
|
|
}
|
|
#endif
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &operator = (const symmetric_adaptor &m) {
|
|
matrix_assign<scalar_assign, triangular_type> (*this, m);
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &assign_temporary (symmetric_adaptor &m) {
|
|
*this = m;
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &operator = (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_assign, triangular_type> (*this, matrix<value_type> (ae));
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &assign (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_assign, triangular_type> (*this, ae);
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor& operator += (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_assign, triangular_type> (*this, matrix<value_type> (*this + ae));
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &plus_assign (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_plus_assign, triangular_type> (*this, ae);
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor& operator -= (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_assign, triangular_type> (*this, matrix<value_type> (*this - ae));
|
|
return *this;
|
|
}
|
|
template<class AE>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor &minus_assign (const matrix_expression<AE> &ae) {
|
|
matrix_assign<scalar_minus_assign, triangular_type> (*this, ae);
|
|
return *this;
|
|
}
|
|
template<class AT>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor& operator *= (const AT &at) {
|
|
matrix_assign_scalar<scalar_multiplies_assign> (*this, at);
|
|
return *this;
|
|
}
|
|
template<class AT>
|
|
BOOST_UBLAS_INLINE
|
|
symmetric_adaptor& operator /= (const AT &at) {
|
|
matrix_assign_scalar<scalar_divides_assign> (*this, at);
|
|
return *this;
|
|
}
|
|
|
|
// Closure comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool same_closure (const symmetric_adaptor &sa) const {
|
|
return (*this).data ().same_closure (sa.data ());
|
|
}
|
|
|
|
// Swapping
|
|
BOOST_UBLAS_INLINE
|
|
void swap (symmetric_adaptor &m) {
|
|
if (this != &m)
|
|
matrix_swap<scalar_swap, triangular_type> (*this, m);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
friend void swap (symmetric_adaptor &m1, symmetric_adaptor &m2) {
|
|
m1.swap (m2);
|
|
}
|
|
|
|
// Iterator types
|
|
private:
|
|
// Use matrix iterator
|
|
typedef typename M::const_iterator1 const_subiterator1_type;
|
|
typedef typename boost::mpl::if_<boost::is_const<M>,
|
|
typename M::const_iterator1,
|
|
typename M::iterator1>::type subiterator1_type;
|
|
typedef typename M::const_iterator2 const_subiterator2_type;
|
|
typedef typename boost::mpl::if_<boost::is_const<M>,
|
|
typename M::const_iterator2,
|
|
typename M::iterator2>::type subiterator2_type;
|
|
|
|
public:
|
|
#ifdef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
typedef indexed_iterator1<self_type, packed_random_access_iterator_tag> iterator1;
|
|
typedef indexed_iterator2<self_type, packed_random_access_iterator_tag> iterator2;
|
|
typedef indexed_const_iterator1<self_type, dense_random_access_iterator_tag> const_iterator1;
|
|
typedef indexed_const_iterator2<self_type, dense_random_access_iterator_tag> const_iterator2;
|
|
#else
|
|
class const_iterator1;
|
|
class iterator1;
|
|
class const_iterator2;
|
|
class iterator2;
|
|
#endif
|
|
typedef reverse_iterator_base1<const_iterator1> const_reverse_iterator1;
|
|
typedef reverse_iterator_base1<iterator1> reverse_iterator1;
|
|
typedef reverse_iterator_base2<const_iterator2> const_reverse_iterator2;
|
|
typedef reverse_iterator_base2<iterator2> reverse_iterator2;
|
|
|
|
// Element lookup
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 find1 (int rank, size_type i, size_type j) const {
|
|
if (triangular_type::other (i, j)) {
|
|
if (triangular_type::other (size1 (), j)) {
|
|
return const_iterator1 (*this, 0, 0,
|
|
data ().find1 (rank, i, j), data ().find1 (rank, size1 (), j),
|
|
data ().find2 (rank, size2 (), size1 ()), data ().find2 (rank, size2 (), size1 ()));
|
|
} else {
|
|
return const_iterator1 (*this, 0, 1,
|
|
data ().find1 (rank, i, j), data ().find1 (rank, j, j),
|
|
data ().find2 (rank, j, j), data ().find2 (rank, j, size1 ()));
|
|
}
|
|
} else {
|
|
if (triangular_type::other (size1 (), j)) {
|
|
return const_iterator1 (*this, 1, 0,
|
|
data ().find1 (rank, j, j), data ().find1 (rank, size1 (), j),
|
|
data ().find2 (rank, j, i), data ().find2 (rank, j, j));
|
|
} else {
|
|
return const_iterator1 (*this, 1, 1,
|
|
data ().find1 (rank, size1 (), size2 ()), data ().find1 (rank, size1 (), size2 ()),
|
|
data ().find2 (rank, j, i), data ().find2 (rank, j, size1 ()));
|
|
}
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 find1 (int rank, size_type i, size_type j) {
|
|
if (rank == 1)
|
|
i = triangular_type::mutable_restrict1 (i, j, size1(), size2());
|
|
return iterator1 (*this, data ().find1 (rank, i, j));
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 find2 (int rank, size_type i, size_type j) const {
|
|
if (triangular_type::other (i, j)) {
|
|
if (triangular_type::other (i, size2 ())) {
|
|
return const_iterator2 (*this, 1, 1,
|
|
data ().find1 (rank, size2 (), size1 ()), data ().find1 (rank, size2 (), size1 ()),
|
|
data ().find2 (rank, i, j), data ().find2 (rank, i, size2 ()));
|
|
} else {
|
|
return const_iterator2 (*this, 1, 0,
|
|
data ().find1 (rank, i, i), data ().find1 (rank, size2 (), i),
|
|
data ().find2 (rank, i, j), data ().find2 (rank, i, i));
|
|
}
|
|
} else {
|
|
if (triangular_type::other (i, size2 ())) {
|
|
return const_iterator2 (*this, 0, 1,
|
|
data ().find1 (rank, j, i), data ().find1 (rank, i, i),
|
|
data ().find2 (rank, i, i), data ().find2 (rank, i, size2 ()));
|
|
} else {
|
|
return const_iterator2 (*this, 0, 0,
|
|
data ().find1 (rank, j, i), data ().find1 (rank, size2 (), i),
|
|
data ().find2 (rank, size1 (), size2 ()), data ().find2 (rank, size2 (), size2 ()));
|
|
}
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 find2 (int rank, size_type i, size_type j) {
|
|
if (rank == 1)
|
|
j = triangular_type::mutable_restrict2 (i, j, size1(), size2());
|
|
return iterator2 (*this, data ().find2 (rank, i, j));
|
|
}
|
|
|
|
// Iterators simply are indices.
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class const_iterator1:
|
|
public container_const_reference<symmetric_adaptor>,
|
|
public random_access_iterator_base<typename iterator_restrict_traits<
|
|
typename const_subiterator1_type::iterator_category, dense_random_access_iterator_tag>::iterator_category,
|
|
const_iterator1, value_type> {
|
|
public:
|
|
typedef typename const_subiterator1_type::value_type value_type;
|
|
typedef typename const_subiterator1_type::difference_type difference_type;
|
|
typedef typename const_subiterator1_type::reference reference;
|
|
typedef typename const_subiterator1_type::pointer pointer;
|
|
|
|
typedef const_iterator2 dual_iterator_type;
|
|
typedef const_reverse_iterator2 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 ():
|
|
container_const_reference<self_type> (),
|
|
begin_ (-1), end_ (-1), current_ (-1),
|
|
it1_begin_ (), it1_end_ (), it1_ (),
|
|
it2_begin_ (), it2_end_ (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 (const self_type &m, int begin, int end,
|
|
const const_subiterator1_type &it1_begin, const const_subiterator1_type &it1_end,
|
|
const const_subiterator2_type &it2_begin, const const_subiterator2_type &it2_end):
|
|
container_const_reference<self_type> (m),
|
|
begin_ (begin), end_ (end), current_ (begin),
|
|
it1_begin_ (it1_begin), it1_end_ (it1_end), it1_ (it1_begin_),
|
|
it2_begin_ (it2_begin), it2_end_ (it2_end), it2_ (it2_begin_) {
|
|
if (current_ == 0 && it1_ == it1_end_)
|
|
current_ = 1;
|
|
if (current_ == 1 && it2_ == it2_end_)
|
|
current_ = 0;
|
|
if ((current_ == 0 && it1_ == it1_end_) ||
|
|
(current_ == 1 && it2_ == it2_end_))
|
|
current_ = end_;
|
|
BOOST_UBLAS_CHECK (current_ == end_ ||
|
|
(current_ == 0 && it1_ != it1_end_) ||
|
|
(current_ == 1 && it2_ != it2_end_), internal_logic ());
|
|
}
|
|
// FIXME cannot compile
|
|
// iterator1 does not have these members!
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 (const iterator1 &it):
|
|
container_const_reference<self_type> (it ()),
|
|
begin_ (it.begin_), end_ (it.end_), current_ (it.current_),
|
|
it1_begin_ (it.it1_begin_), it1_end_ (it.it1_end_), it1_ (it.it1_),
|
|
it2_begin_ (it.it2_begin_), it2_end_ (it.it2_end_), it2_ (it.it2_) {
|
|
BOOST_UBLAS_CHECK (current_ == end_ ||
|
|
(current_ == 0 && it1_ != it1_end_) ||
|
|
(current_ == 1 && it2_ != it2_end_), internal_logic ());
|
|
}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 &operator ++ () {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
++ it1_;
|
|
if (it1_ == it1_end_ && end_ == 1) {
|
|
it2_ = it2_begin_;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
++ it2_;
|
|
if (it2_ == it2_end_ && end_ == 0) {
|
|
it1_ = it1_begin_;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 &operator -- () {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
if (it1_ == it1_begin_ && begin_ == 1) {
|
|
it2_ = it2_end_;
|
|
BOOST_UBLAS_CHECK (it2_ != it2_begin_, internal_logic ());
|
|
-- it2_;
|
|
current_ = 1;
|
|
} else {
|
|
-- it1_;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
if (it2_ == it2_begin_ && begin_ == 0) {
|
|
it1_ = it1_end_;
|
|
BOOST_UBLAS_CHECK (it1_ != it1_begin_, internal_logic ());
|
|
-- it1_;
|
|
current_ = 0;
|
|
} else {
|
|
-- it2_;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 &operator += (difference_type n) {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
size_type d = (std::min) (n, it1_end_ - it1_);
|
|
it1_ += d;
|
|
n -= d;
|
|
if (n > 0 || (end_ == 1 && it1_ == it1_end_)) {
|
|
BOOST_UBLAS_CHECK (end_ == 1, external_logic ());
|
|
d = (std::min) (n, it2_end_ - it2_begin_);
|
|
it2_ = it2_begin_ + d;
|
|
n -= d;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
size_type d = (std::min) (n, it2_end_ - it2_);
|
|
it2_ += d;
|
|
n -= d;
|
|
if (n > 0 || (end_ == 0 && it2_ == it2_end_)) {
|
|
BOOST_UBLAS_CHECK (end_ == 0, external_logic ());
|
|
d = (std::min) (n, it1_end_ - it1_begin_);
|
|
it1_ = it1_begin_ + d;
|
|
n -= d;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
BOOST_UBLAS_CHECK (n == 0, external_logic ());
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 &operator -= (difference_type n) {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
size_type d = (std::min) (n, it1_ - it1_begin_);
|
|
it1_ -= d;
|
|
n -= d;
|
|
if (n > 0) {
|
|
BOOST_UBLAS_CHECK (end_ == 1, external_logic ());
|
|
d = (std::min) (n, it2_end_ - it2_begin_);
|
|
it2_ = it2_end_ - d;
|
|
n -= d;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
size_type d = (std::min) (n, it2_ - it2_begin_);
|
|
it2_ -= d;
|
|
n -= d;
|
|
if (n > 0) {
|
|
BOOST_UBLAS_CHECK (end_ == 0, external_logic ());
|
|
d = (std::min) (n, it1_end_ - it1_begin_);
|
|
it1_ = it1_end_ - d;
|
|
n -= d;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
BOOST_UBLAS_CHECK (n == 0, external_logic ());
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (it.current_ == 0 || it.current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (/* begin_ == it.begin_ && */ end_ == it.end_, internal_logic ());
|
|
if (current_ == 0 && it.current_ == 0) {
|
|
return it1_ - it.it1_;
|
|
} else if (current_ == 0 && it.current_ == 1) {
|
|
if (end_ == 1 && it.end_ == 1) {
|
|
return (it1_ - it.it1_end_) + (it.it2_begin_ - it.it2_);
|
|
} else /* if (end_ == 0 && it.end_ == 0) */ {
|
|
return (it1_ - it.it1_begin_) + (it.it2_end_ - it.it2_);
|
|
}
|
|
|
|
} else if (current_ == 1 && it.current_ == 0) {
|
|
if (end_ == 1 && it.end_ == 1) {
|
|
return (it2_ - it.it2_begin_) + (it.it1_end_ - it.it1_);
|
|
} else /* if (end_ == 0 && it.end_ == 0) */ {
|
|
return (it2_ - it.it2_end_) + (it.it1_begin_ - it.it1_);
|
|
}
|
|
}
|
|
/* current_ == 1 && it.current_ == 1 */ {
|
|
return it2_ - it.it2_;
|
|
}
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return *it1_;
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return *it2_;
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator2 begin () const {
|
|
return (*this) ().find2 (1, index1 (), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator2 cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator2 end () const {
|
|
return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator2 cend () const {
|
|
return end ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator2 rbegin () const {
|
|
return const_reverse_iterator2 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator2 crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator2 rend () const {
|
|
return const_reverse_iterator2 (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator2 crend () const {
|
|
return rend ();
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return it1_.index1 ();
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return it2_.index2 ();
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return it1_.index2 ();
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return it2_.index1 ();
|
|
}
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 &operator = (const const_iterator1 &it) {
|
|
container_const_reference<self_type>::assign (&it ());
|
|
begin_ = it.begin_;
|
|
end_ = it.end_;
|
|
current_ = it.current_;
|
|
it1_begin_ = it.it1_begin_;
|
|
it1_end_ = it.it1_end_;
|
|
it1_ = it.it1_;
|
|
it2_begin_ = it.it2_begin_;
|
|
it2_end_ = it.it2_end_;
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (it.current_ == 0 || it.current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (/* begin_ == it.begin_ && */ end_ == it.end_, internal_logic ());
|
|
return (current_ == 0 && it.current_ == 0 && it1_ == it.it1_) ||
|
|
(current_ == 1 && it.current_ == 1 && it2_ == it.it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it - *this > 0;
|
|
}
|
|
|
|
private:
|
|
int begin_;
|
|
int end_;
|
|
int current_;
|
|
const_subiterator1_type it1_begin_;
|
|
const_subiterator1_type it1_end_;
|
|
const_subiterator1_type it1_;
|
|
const_subiterator2_type it2_begin_;
|
|
const_subiterator2_type it2_end_;
|
|
const_subiterator2_type it2_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 begin1 () const {
|
|
return find1 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 cbegin1 () const {
|
|
return begin1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 end1 () const {
|
|
return find1 (0, size1 (), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator1 cend1 () const {
|
|
return end1 ();
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class iterator1:
|
|
public container_reference<symmetric_adaptor>,
|
|
public random_access_iterator_base<typename iterator_restrict_traits<
|
|
typename subiterator1_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
|
iterator1, value_type> {
|
|
public:
|
|
typedef typename subiterator1_type::value_type value_type;
|
|
typedef typename subiterator1_type::difference_type difference_type;
|
|
typedef typename subiterator1_type::reference reference;
|
|
typedef typename subiterator1_type::pointer pointer;
|
|
|
|
typedef iterator2 dual_iterator_type;
|
|
typedef reverse_iterator2 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 ():
|
|
container_reference<self_type> (), it1_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 (self_type &m, const subiterator1_type &it1):
|
|
container_reference<self_type> (m), it1_ (it1) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator ++ () {
|
|
++ it1_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator -- () {
|
|
-- it1_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator += (difference_type n) {
|
|
it1_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator -= (difference_type n) {
|
|
it1_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it1_ - it.it1_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
reference operator * () const {
|
|
return *it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator2 begin () const {
|
|
return (*this) ().find2 (1, index1 (), 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator2 end () const {
|
|
return (*this) ().find2 (1, index1 (), (*this) ().size2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator2 rbegin () const {
|
|
return reverse_iterator2 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator2 rend () const {
|
|
return reverse_iterator2 (begin ());
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
return it1_.index1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
return it1_.index2 ();
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 &operator = (const iterator1 &it) {
|
|
container_reference<self_type>::assign (&it ());
|
|
it1_ = it.it1_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it1_ == it.it1_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const iterator1 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it1_ < it.it1_;
|
|
}
|
|
|
|
private:
|
|
subiterator1_type it1_;
|
|
|
|
friend class const_iterator1;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 begin1 () {
|
|
return find1 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator1 end1 () {
|
|
return find1 (0, size1 (), 0);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class const_iterator2:
|
|
public container_const_reference<symmetric_adaptor>,
|
|
public random_access_iterator_base<typename iterator_restrict_traits<
|
|
typename const_subiterator2_type::iterator_category, dense_random_access_iterator_tag>::iterator_category,
|
|
const_iterator2, value_type> {
|
|
public:
|
|
typedef typename const_subiterator2_type::value_type value_type;
|
|
typedef typename const_subiterator2_type::difference_type difference_type;
|
|
typedef typename const_subiterator2_type::reference reference;
|
|
typedef typename const_subiterator2_type::pointer pointer;
|
|
|
|
typedef const_iterator1 dual_iterator_type;
|
|
typedef const_reverse_iterator1 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 ():
|
|
container_const_reference<self_type> (),
|
|
begin_ (-1), end_ (-1), current_ (-1),
|
|
it1_begin_ (), it1_end_ (), it1_ (),
|
|
it2_begin_ (), it2_end_ (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 (const self_type &m, int begin, int end,
|
|
const const_subiterator1_type &it1_begin, const const_subiterator1_type &it1_end,
|
|
const const_subiterator2_type &it2_begin, const const_subiterator2_type &it2_end):
|
|
container_const_reference<self_type> (m),
|
|
begin_ (begin), end_ (end), current_ (begin),
|
|
it1_begin_ (it1_begin), it1_end_ (it1_end), it1_ (it1_begin_),
|
|
it2_begin_ (it2_begin), it2_end_ (it2_end), it2_ (it2_begin_) {
|
|
if (current_ == 0 && it1_ == it1_end_)
|
|
current_ = 1;
|
|
if (current_ == 1 && it2_ == it2_end_)
|
|
current_ = 0;
|
|
if ((current_ == 0 && it1_ == it1_end_) ||
|
|
(current_ == 1 && it2_ == it2_end_))
|
|
current_ = end_;
|
|
BOOST_UBLAS_CHECK (current_ == end_ ||
|
|
(current_ == 0 && it1_ != it1_end_) ||
|
|
(current_ == 1 && it2_ != it2_end_), internal_logic ());
|
|
}
|
|
// FIXME cannot compiler
|
|
// iterator2 does not have these members!
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 (const iterator2 &it):
|
|
container_const_reference<self_type> (it ()),
|
|
begin_ (it.begin_), end_ (it.end_), current_ (it.current_),
|
|
it1_begin_ (it.it1_begin_), it1_end_ (it.it1_end_), it1_ (it.it1_),
|
|
it2_begin_ (it.it2_begin_), it2_end_ (it.it2_end_), it2_ (it.it2_) {
|
|
BOOST_UBLAS_CHECK (current_ == end_ ||
|
|
(current_ == 0 && it1_ != it1_end_) ||
|
|
(current_ == 1 && it2_ != it2_end_), internal_logic ());
|
|
}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator ++ () {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
++ it1_;
|
|
if (it1_ == it1_end_ && end_ == 1) {
|
|
it2_ = it2_begin_;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
++ it2_;
|
|
if (it2_ == it2_end_ && end_ == 0) {
|
|
it1_ = it1_begin_;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator -- () {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
if (it1_ == it1_begin_ && begin_ == 1) {
|
|
it2_ = it2_end_;
|
|
BOOST_UBLAS_CHECK (it2_ != it2_begin_, internal_logic ());
|
|
-- it2_;
|
|
current_ = 1;
|
|
} else {
|
|
-- it1_;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
if (it2_ == it2_begin_ && begin_ == 0) {
|
|
it1_ = it1_end_;
|
|
BOOST_UBLAS_CHECK (it1_ != it1_begin_, internal_logic ());
|
|
-- it1_;
|
|
current_ = 0;
|
|
} else {
|
|
-- it2_;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator += (difference_type n) {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
size_type d = (std::min) (n, it1_end_ - it1_);
|
|
it1_ += d;
|
|
n -= d;
|
|
if (n > 0 || (end_ == 1 && it1_ == it1_end_)) {
|
|
BOOST_UBLAS_CHECK (end_ == 1, external_logic ());
|
|
d = (std::min) (n, it2_end_ - it2_begin_);
|
|
it2_ = it2_begin_ + d;
|
|
n -= d;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
size_type d = (std::min) (n, it2_end_ - it2_);
|
|
it2_ += d;
|
|
n -= d;
|
|
if (n > 0 || (end_ == 0 && it2_ == it2_end_)) {
|
|
BOOST_UBLAS_CHECK (end_ == 0, external_logic ());
|
|
d = (std::min) (n, it1_end_ - it1_begin_);
|
|
it1_ = it1_begin_ + d;
|
|
n -= d;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
BOOST_UBLAS_CHECK (n == 0, external_logic ());
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator -= (difference_type n) {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
size_type d = (std::min) (n, it1_ - it1_begin_);
|
|
it1_ -= d;
|
|
n -= d;
|
|
if (n > 0) {
|
|
BOOST_UBLAS_CHECK (end_ == 1, external_logic ());
|
|
d = (std::min) (n, it2_end_ - it2_begin_);
|
|
it2_ = it2_end_ - d;
|
|
n -= d;
|
|
current_ = 1;
|
|
}
|
|
} else /* if (current_ == 1) */ {
|
|
size_type d = (std::min) (n, it2_ - it2_begin_);
|
|
it2_ -= d;
|
|
n -= d;
|
|
if (n > 0) {
|
|
BOOST_UBLAS_CHECK (end_ == 0, external_logic ());
|
|
d = (std::min) (n, it1_end_ - it1_begin_);
|
|
it1_ = it1_end_ - d;
|
|
n -= d;
|
|
current_ = 0;
|
|
}
|
|
}
|
|
BOOST_UBLAS_CHECK (n == 0, external_logic ());
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (it.current_ == 0 || it.current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (/* begin_ == it.begin_ && */ end_ == it.end_, internal_logic ());
|
|
if (current_ == 0 && it.current_ == 0) {
|
|
return it1_ - it.it1_;
|
|
} else if (current_ == 0 && it.current_ == 1) {
|
|
if (end_ == 1 && it.end_ == 1) {
|
|
return (it1_ - it.it1_end_) + (it.it2_begin_ - it.it2_);
|
|
} else /* if (end_ == 0 && it.end_ == 0) */ {
|
|
return (it1_ - it.it1_begin_) + (it.it2_end_ - it.it2_);
|
|
}
|
|
|
|
} else if (current_ == 1 && it.current_ == 0) {
|
|
if (end_ == 1 && it.end_ == 1) {
|
|
return (it2_ - it.it2_begin_) + (it.it1_end_ - it.it1_);
|
|
} else /* if (end_ == 0 && it.end_ == 0) */ {
|
|
return (it2_ - it.it2_end_) + (it.it1_begin_ - it.it1_);
|
|
}
|
|
}
|
|
/* current_ == 1 && it.current_ == 1 */ {
|
|
return it2_ - it.it2_;
|
|
}
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator * () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return *it1_;
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return *it2_;
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 begin () const {
|
|
return (*this) ().find1 (1, 0, index2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 cbegin () const {
|
|
return begin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 end () const {
|
|
return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_iterator1 cend () const {
|
|
return end ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 rbegin () const {
|
|
return const_reverse_iterator1 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 crbegin () const {
|
|
return rbegin ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 rend () const {
|
|
return const_reverse_iterator1 (begin ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
const_reverse_iterator1 crend () const {
|
|
return rend ();
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return it1_.index2 ();
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return it2_.index1 ();
|
|
}
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
if (current_ == 0) {
|
|
BOOST_UBLAS_CHECK (it1_ != it1_end_, internal_logic ());
|
|
return it1_.index1 ();
|
|
} else /* if (current_ == 1) */ {
|
|
BOOST_UBLAS_CHECK (it2_ != it2_end_, internal_logic ());
|
|
return it2_.index2 ();
|
|
}
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 &operator = (const const_iterator2 &it) {
|
|
container_const_reference<self_type>::assign (&it ());
|
|
begin_ = it.begin_;
|
|
end_ = it.end_;
|
|
current_ = it.current_;
|
|
it1_begin_ = it.it1_begin_;
|
|
it1_end_ = it.it1_end_;
|
|
it1_ = it.it1_;
|
|
it2_begin_ = it.it2_begin_;
|
|
it2_end_ = it.it2_end_;
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
BOOST_UBLAS_CHECK (current_ == 0 || current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (it.current_ == 0 || it.current_ == 1, internal_logic ());
|
|
BOOST_UBLAS_CHECK (/* begin_ == it.begin_ && */ end_ == it.end_, internal_logic ());
|
|
return (current_ == 0 && it.current_ == 0 && it1_ == it.it1_) ||
|
|
(current_ == 1 && it.current_ == 1 && it2_ == it.it2_);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const const_iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it - *this > 0;
|
|
}
|
|
|
|
private:
|
|
int begin_;
|
|
int end_;
|
|
int current_;
|
|
const_subiterator1_type it1_begin_;
|
|
const_subiterator1_type it1_end_;
|
|
const_subiterator1_type it1_;
|
|
const_subiterator2_type it2_begin_;
|
|
const_subiterator2_type it2_end_;
|
|
const_subiterator2_type it2_;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 begin2 () const {
|
|
return find2 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 cbegin2 () const {
|
|
return begin2 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 end2 () const {
|
|
return find2 (0, 0, size2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_iterator2 cend2 () const {
|
|
return end2 ();
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_USE_INDEXED_ITERATOR
|
|
class iterator2:
|
|
public container_reference<symmetric_adaptor>,
|
|
public random_access_iterator_base<typename iterator_restrict_traits<
|
|
typename subiterator2_type::iterator_category, packed_random_access_iterator_tag>::iterator_category,
|
|
iterator2, value_type> {
|
|
public:
|
|
typedef typename subiterator2_type::value_type value_type;
|
|
typedef typename subiterator2_type::difference_type difference_type;
|
|
typedef typename subiterator2_type::reference reference;
|
|
typedef typename subiterator2_type::pointer pointer;
|
|
|
|
typedef iterator1 dual_iterator_type;
|
|
typedef reverse_iterator1 dual_reverse_iterator_type;
|
|
|
|
// Construction and destruction
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 ():
|
|
container_reference<self_type> (), it2_ () {}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 (self_type &m, const subiterator2_type &it2):
|
|
container_reference<self_type> (m), it2_ (it2) {}
|
|
|
|
// Arithmetic
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator ++ () {
|
|
++ it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator -- () {
|
|
-- it2_;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator += (difference_type n) {
|
|
it2_ += n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator -= (difference_type n) {
|
|
it2_ -= n;
|
|
return *this;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
difference_type operator - (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it2_ - it.it2_;
|
|
}
|
|
|
|
// Dereference
|
|
BOOST_UBLAS_INLINE
|
|
reference operator * () const {
|
|
return *it2_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reference operator [] (difference_type n) const {
|
|
return *(*this + n);
|
|
}
|
|
|
|
#ifndef BOOST_UBLAS_NO_NESTED_CLASS_RELATION
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator1 begin () const {
|
|
return (*this) ().find1 (1, 0, index2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
iterator1 end () const {
|
|
return (*this) ().find1 (1, (*this) ().size1 (), index2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator1 rbegin () const {
|
|
return reverse_iterator1 (end ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
#ifdef BOOST_UBLAS_MSVC_NESTED_CLASS_RELATION
|
|
typename self_type::
|
|
#endif
|
|
reverse_iterator1 rend () const {
|
|
return reverse_iterator1 (begin ());
|
|
}
|
|
#endif
|
|
|
|
// Indices
|
|
BOOST_UBLAS_INLINE
|
|
size_type index1 () const {
|
|
return it2_.index1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
size_type index2 () const {
|
|
return it2_.index2 ();
|
|
}
|
|
|
|
// Assignment
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 &operator = (const iterator2 &it) {
|
|
container_reference<self_type>::assign (&it ());
|
|
it2_ = it.it2_;
|
|
return *this;
|
|
}
|
|
|
|
// Comparison
|
|
BOOST_UBLAS_INLINE
|
|
bool operator == (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it2_ == it.it2_;
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
bool operator < (const iterator2 &it) const {
|
|
BOOST_UBLAS_CHECK (&(*this) () == &it (), external_logic ());
|
|
return it2_ < it.it2_;
|
|
}
|
|
|
|
private:
|
|
subiterator2_type it2_;
|
|
|
|
friend class const_iterator2;
|
|
};
|
|
#endif
|
|
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 begin2 () {
|
|
return find2 (0, 0, 0);
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
iterator2 end2 () {
|
|
return find2 (0, 0, size2 ());
|
|
}
|
|
|
|
// Reverse iterators
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 rbegin1 () const {
|
|
return const_reverse_iterator1 (end1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 crbegin1 () const {
|
|
return rbegin1 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 rend1 () const {
|
|
return const_reverse_iterator1 (begin1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator1 crend1 () const {
|
|
return rend1 ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator1 rbegin1 () {
|
|
return reverse_iterator1 (end1 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator1 rend1 () {
|
|
return reverse_iterator1 (begin1 ());
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 rbegin2 () const {
|
|
return const_reverse_iterator2 (end2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 crbegin2 () const {
|
|
return rbegin2 ();
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 rend2 () const {
|
|
return const_reverse_iterator2 (begin2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
const_reverse_iterator2 crend2 () const {
|
|
return rend2 ();
|
|
}
|
|
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator2 rbegin2 () {
|
|
return reverse_iterator2 (end2 ());
|
|
}
|
|
BOOST_UBLAS_INLINE
|
|
reverse_iterator2 rend2 () {
|
|
return reverse_iterator2 (begin2 ());
|
|
}
|
|
|
|
private:
|
|
matrix_closure_type data_;
|
|
};
|
|
|
|
// Specialization for temporary_traits
|
|
template <class M, class TRI>
|
|
struct vector_temporary_traits< symmetric_adaptor<M, TRI> >
|
|
: vector_temporary_traits< M > {} ;
|
|
template <class M, class TRI>
|
|
struct vector_temporary_traits< const symmetric_adaptor<M, TRI> >
|
|
: vector_temporary_traits< M > {} ;
|
|
|
|
template <class M, class TRI>
|
|
struct matrix_temporary_traits< symmetric_adaptor<M, TRI> >
|
|
: matrix_temporary_traits< M > {} ;
|
|
template <class M, class TRI>
|
|
struct matrix_temporary_traits< const symmetric_adaptor<M, TRI> >
|
|
: matrix_temporary_traits< M > {} ;
|
|
|
|
}}}
|
|
|
|
#endif
|