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reorganize header files, split MatrixBase into smaller files.
expose only a few meta-headers to the user, the rest moves to a internal/ subdirectory
This commit is contained in:
179
src/internal/Matrix.h
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179
src/internal/Matrix.h
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// This file is part of Eigen, a lightweight C++ template library
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// for linear algebra. Eigen itself is part of the KDE project.
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//
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// Copyright (C) 2006-2007 Benoit Jacob <jacob@math.jussieu.fr>
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//
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// Eigen is free software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the Free Software
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// Foundation; either version 2 or (at your option) any later version.
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//
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// Eigen is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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// FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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// details.
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//
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// You should have received a copy of the GNU General Public License along
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// with Eigen; if not, write to the Free Software Foundation, Inc., 51
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// Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. This exception does not invalidate any other reasons why a work
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// based on this file might be covered by the GNU General Public License.
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/** \file Matrix.h
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* \brief Matrix and MatrixX class templates
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*/
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#ifndef EIGEN_MATRIX_H
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#define EIGEN_MATRIX_H
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#include "MatrixBase.h"
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namespace Eigen
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{
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template<typename T, int Rows, int Cols>
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class Matrix: public MatrixBase< Matrix<T, Rows, Cols> >
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{
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friend class MatrixBase<Matrix<T, Rows, Cols> >;
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typedef class MatrixBase<Matrix<T, Rows, Cols> > Base;
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public:
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typedef T Scalar;
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private:
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static bool _hasDynamicNumRows()
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{ return false; }
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static bool _hasDynamicNumCols()
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{ return false; }
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int _rows() const
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{ return Rows; }
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int _cols() const
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{ return Cols; }
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void _resize( int rows, int cols ) const
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{
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assert(rows == Rows && cols == Cols);
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}
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public:
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Matrix()
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{
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assert(Rows > 0 && Cols > 0);
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}
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Matrix(const Matrix& other) : Base()
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{
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*this = other;
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}
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Matrix(int rows, int cols)
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{
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assert(Rows > 0 && Cols > 0 && rows == Rows && cols == Cols);
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}
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void operator=(const Matrix & other)
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{ Base::operator=(other); }
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template<typename XprContent>
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void operator=(const MatrixXpr<XprContent> &xpr)
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{ Base::operator=(xpr); }
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template<typename XprContent>
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explicit Matrix(const MatrixXpr<XprContent>& xpr)
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{
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*this = xpr;
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}
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protected:
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T m_array[ Rows * Cols ];
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};
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template<typename T>
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class MatrixX : public MatrixBase< MatrixX<T> >
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{
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friend class MatrixBase<MatrixX<T> >;
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typedef class MatrixBase<MatrixX<T> > Base;
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public:
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typedef T Scalar;
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MatrixX(int rows, int cols)
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{ _init(rows, cols); }
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MatrixX(const MatrixX& other) : Base()
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{
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_init(other.rows(), other.cols());
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*this = other;
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}
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~MatrixX()
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{ delete[] m_array; }
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void operator=(const MatrixX& other)
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{ Base::operator=(other); }
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template<typename XprContent>
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void operator=(const MatrixXpr<XprContent> &xpr)
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{ Base::operator=(xpr); }
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template<typename XprContent>
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explicit MatrixX(const MatrixXpr<XprContent>& xpr)
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{
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_init(xpr.rows(), xpr.cols());
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*this = xpr;
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}
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protected:
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int m_rows, m_cols;
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T *m_array;
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private:
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int _rows() const { return m_rows; }
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int _cols() const { return m_cols; }
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static bool _hasDynamicNumRows()
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{ return true; }
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static bool _hasDynamicNumCols()
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{ return true; }
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void _resize( int rows, int cols )
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{
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assert(rows > 0 && cols > 0);
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if(rows * cols > m_rows * m_cols)
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{
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delete[] m_array;
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m_array = new T[rows * cols];
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}
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m_rows = rows;
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m_cols = cols;
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}
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void _init( int rows, int cols )
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{
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assert(rows > 0 && cols > 0);
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m_rows = rows;
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m_cols = cols;
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m_array = new T[m_rows * m_cols];
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}
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};
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} // namespace Eigen
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#endif // EIGEN_MATRIX_H
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