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reorganisation of headers, commit47b935fc42cbf2ca992d8a270bc1b0fc97d1f6bc
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163
src/Core/MatrixStorage.h
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163
src/Core/MatrixStorage.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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#ifndef EI_MATRIXSTORAGE_H
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#define EI_MATRIXSTORAGE_H
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template<typename Scalar,
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int RowsAtCompileTime,
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int ColsAtCompileTime>
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class EiMatrixStorage
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{
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protected:
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Scalar m_array[RowsAtCompileTime * ColsAtCompileTime];
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void resize(int rows, int cols)
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{ assert(rows == RowsAtCompileTime && cols == ColsAtCompileTime); }
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int _rows() const
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{ return RowsAtCompileTime; }
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int _cols() const
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{ return ColsAtCompileTime; }
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public:
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EiMatrixStorage(int rows, int cols)
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{
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EI_UNUSED(rows);
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EI_UNUSED(cols);
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assert(RowsAtCompileTime > 0 && ColsAtCompileTime > 0);
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}
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~EiMatrixStorage() {};
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};
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template<typename Scalar, int ColsAtCompileTime>
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class EiMatrixStorage<Scalar, EiDynamic, ColsAtCompileTime>
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{
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protected:
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int m_rows;
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Scalar* m_array;
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void resize(int rows, int cols)
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{
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assert(rows > 0 && cols == ColsAtCompileTime);
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if(rows > m_rows)
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{
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delete[] m_array;
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m_array = new Scalar[rows * ColsAtCompileTime];
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}
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m_rows = rows;
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}
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int _rows() const
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{ return m_rows; }
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int _cols() const
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{ return ColsAtCompileTime; }
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public:
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EiMatrixStorage(int rows, int cols) : m_rows(rows)
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{
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assert(m_rows > 0 && cols == ColsAtCompileTime);
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m_array = new Scalar[m_rows * ColsAtCompileTime];
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}
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~EiMatrixStorage()
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{ delete[] m_array; }
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};
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template<typename Scalar, int RowsAtCompileTime>
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class EiMatrixStorage<Scalar, RowsAtCompileTime, EiDynamic>
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{
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protected:
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int m_cols;
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Scalar* m_array;
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void resize(int rows, int cols)
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{
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assert(rows == RowsAtCompileTime && cols > 0);
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if(cols > m_cols)
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{
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delete[] m_array;
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m_array = new Scalar[cols * RowsAtCompileTime];
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}
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m_cols = cols;
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}
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int _rows() const
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{ return RowsAtCompileTime; }
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int _cols() const
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{ return m_cols; }
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public:
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EiMatrixStorage(int rows, int cols) : m_cols(cols)
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{
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assert(rows == RowsAtCompileTime && cols > 0);
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m_array = new Scalar[m_cols * RowsAtCompileTime];
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}
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~EiMatrixStorage()
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{ delete[] m_array; }
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};
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template<typename Scalar>
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class EiMatrixStorage<Scalar, EiDynamic, EiDynamic>
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{
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protected:
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int m_rows, m_cols;
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Scalar* m_array;
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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 Scalar[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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int _rows() const
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{ return m_rows; }
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int _cols() const
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{ return m_cols; }
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public:
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EiMatrixStorage(int rows, int cols) : m_rows(rows), m_cols(cols)
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{
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assert(m_rows > 0 && m_cols > 0);
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m_array = new Scalar[m_rows * m_cols];
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}
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~EiMatrixStorage()
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{ delete[] m_array; }
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};
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#endif // EI_MATRIXSTORAGE_H
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