02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Matrix, MatrixView, ConstMatrixView classes wrap the gsl matrix routines;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * "views" mimic the semantic of C++ references: any operation performed
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * on a "view" is actually performed on the "viewed object"
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Marco Cecchetti <mrcekets at gmail.com>
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Copyright 2008 authors
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * This library is free software; you can redistribute it and/or
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * modify it either under the terms of the GNU Lesser General Public
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * License version 2.1 as published by the Free Software Foundation
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * (the "LGPL") or, at your option, under the terms of the Mozilla
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Public License Version 1.1 (the "MPL"). If you do not alter this
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * notice, a recipient may use your version of this file under either
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * the MPL or the LGPL.
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * You should have received a copy of the LGPL along with this library
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * in the file COPYING-LGPL-2.1; if not, write to the Free Software
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * You should have received a copy of the MPL along with this library
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * in the file COPYING-MPL-1.1
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * The contents of this file are subject to the Mozilla Public License
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * Version 1.1 (the "License"); you may not use this file except in
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * compliance with the License. You may obtain a copy of the License at
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * OF ANY KIND, either express or implied. See the LGPL or the MPL for
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz * the specific language governing rights and limitations.
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return ConstVectorView(gsl_matrix_const_row(m_matrix, i));
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return ConstVectorView(gsl_matrix_const_column(m_matrix, i));
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz const double & operator() (size_t i, size_t j) const
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti for ( unsigned int i = 0; i < rows(); ++i )
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti for ( unsigned int j = 0; j < columns(); ++j )
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti if ( (*this)(i,j) <= 0 ) return false;
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti return true;
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti for ( unsigned int i = 0; i < rows(); ++i )
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti for ( unsigned int j = 0; j < columns(); ++j )
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti if ( (*this)(i,j) >= 0 ) return false;
40f90655923d3f6ab288055fdb6641b45066e8c9mcecchetti return true;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz for ( unsigned int i = 0; i < rows(); ++i )
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz for ( unsigned int j = 0; j < columns(); ++j )
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz if ( (*this)(i,j) < 0 ) return false;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return true;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_max_index(m_matrix, &(indices.first), &(indices.second));
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_min_index(m_matrix, &(indices.first), &(indices.second));
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz}; // end class BaseMatrixImpl
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruzbool operator== (BaseMatrixImpl const& m1, BaseMatrixImpl const& m2)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz if (m1.rows() != m2.rows() || m1.columns() != m2.columns()) return false;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return true;
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruzoperator<< (std::basic_ostream<charT> & os, const BaseMatrixImpl & _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz if (_matrix.rows() == 0 || _matrix.columns() == 0) return os;
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen using base_type::operator(); // VSC legacy support
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen const double & operator() (size_t i, size_t j) const
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz}; // end class MatrixImpl
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz} // end namespace detail
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz // the matrix is not inizialized
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_memcpy(m_matrix, _matrix.get_gsl_matrix());
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_memcpy(m_matrix, _matrix.get_gsl_matrix());
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen Matrix(ConstBaseSymmetricMatrix<N> const& _smatrix)
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen for (size_t i = 0; i < N; ++i)
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen for (size_t j = 0; j < N ; ++j)
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen (*gsl_matrix_ptr(m_matrix, i, j)) = _smatrix(i,j);
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz assert( rows() == _matrix.rows() && columns() == _matrix.columns() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_memcpy(m_matrix, _matrix.get_gsl_matrix());
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz Matrix & operator=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz assert( rows() == _matrix.rows() && columns() == _matrix.columns() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_memcpy(m_matrix, _matrix.get_gsl_matrix());
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen Matrix & operator=(ConstBaseSymmetricMatrix<N> const& _smatrix)
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen for (size_t i = 0; i < N; ++i)
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelen for (size_t j = 0; j < N ; ++j)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<Matrix &>( base_type::transpose() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<Matrix &>( base_type::scale(x) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<Matrix &>( base_type::translate(x) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz Matrix & operator+=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<Matrix &>( base_type::operator+=(_matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz Matrix & operator-=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<Matrix &>( base_type::operator-=(_matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz}; // end class Matrix
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz// warning! this operation invalidates any view of the passed matrix objects
76addc201c409e81eaaa73fe27cc0f79c4db097cKrzysztof Kosiński assert(m1.rows() == m2.rows() && m1.columns() == m2.columns());
76addc201c409e81eaaa73fe27cc0f79c4db097cKrzysztof Kosińskiinline void swap_any(Matrix &m1, Matrix &m2)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruzclass ConstMatrixView : public detail::BaseMatrixImpl
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz ConstMatrixView(const base_type & _matrix, size_t k1, size_t k2, size_t n1, size_t n2)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz : m_matrix_view( gsl_matrix_const_submatrix(_matrix.get_gsl_matrix(), k1, k2, n1, n2) )
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz m_matrix = const_cast<gsl_matrix*>( &(m_matrix_view.matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz m_matrix = const_cast<gsl_matrix*>( &(m_matrix_view.matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz : m_matrix_view(gsl_matrix_const_submatrix(_matrix.get_gsl_matrix(), 0, 0, _matrix.rows(), _matrix.columns()))
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz m_matrix = const_cast<gsl_matrix*>( &(m_matrix_view.matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz}; // end class ConstMatrixView
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz MatrixView(base_type & _matrix, size_t k1, size_t k2, size_t n1, size_t n2)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz = gsl_matrix_submatrix(_matrix.get_gsl_matrix(), k1, k2, n1, n2);
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz = gsl_matrix_submatrix(_matrix.get_gsl_matrix(), 0, 0, rows(), columns());
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz assert( rows() == _matrix.rows() && columns() == _matrix.columns() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz MatrixView & operator=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz assert( rows() == _matrix.rows() && columns() == _matrix.columns() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz gsl_matrix_memcpy(m_matrix, _matrix.get_gsl_matrix());
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<MatrixView &>( base_type::transpose() );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<MatrixView &>( base_type::scale(x) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<MatrixView &>( base_type::translate(x) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz MatrixView & operator+=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<MatrixView &>( base_type::operator+=(_matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz MatrixView & operator-=(base_type::base_type const& _matrix)
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz return static_cast<MatrixView &>( base_type::operator-=(_matrix) );
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz}; // end class MatrixView
76addc201c409e81eaaa73fe27cc0f79c4db097cKrzysztof Kosiński assert(m1.rows() == m2.rows() && m1.columns() == m2.columns());
76addc201c409e81eaaa73fe27cc0f79c4db097cKrzysztof Kosiński swap(m1.m_matrix_view, m2.m_matrix_view);
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruzMatrix pseudo_inverse(detail::BaseMatrixImpl const& A);
d37634d73670180f99a3e0ea583621373d90ec4fJohan Engelendouble trace (detail::BaseMatrixImpl const& A);
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz} } // end namespaces
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz#endif /*_NL_MATRIX_H_*/
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz Local Variables:
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz c-file-style:"stroustrup"
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz indent-tabs-mode:nil
02c55b36fc7069d6bc02a8f1bbf2e1c58428e21ajoncruz fill-column:99
a4030d5ca449e7e384bc699cd249ee704faaeab0Chris Morgan// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :