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reorganisation of headers, commit47b935fc42cbf2ca992d8a270bc1b0fc97d1f6bc
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88
src/Core/Row.h
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88
src/Core/Row.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_ROW_H
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#define EI_ROW_H
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template<typename MatrixType> class EiRow
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: public EiObject<typename MatrixType::Scalar, EiRow<MatrixType> >
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{
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public:
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typedef typename MatrixType::Scalar Scalar;
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typedef typename MatrixType::Ref MatRef;
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friend class EiObject<Scalar, EiRow<MatrixType> >;
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static const int RowsAtCompileTime = 1,
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ColsAtCompileTime = MatrixType::ColsAtCompileTime;
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EiRow(const MatRef& matrix, int row)
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: m_matrix(matrix), m_row(row)
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{
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EI_CHECK_ROW_RANGE(matrix, row);
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}
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EiRow(const EiRow& other)
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: m_matrix(other.m_matrix), m_row(other.m_row) {}
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template<typename OtherDerived>
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EiRow& operator=(const EiObject<Scalar, OtherDerived>& other)
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{
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return EiObject<Scalar, EiRow<MatrixType> >::operator=(other);
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}
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EI_INHERIT_ASSIGNMENT_OPERATORS(EiRow)
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private:
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EiRow& _ref() { return *this; }
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const EiRow& _constRef() const { return *this; }
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int _rows() const { return 1; }
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int _cols() const { return m_matrix.cols(); }
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Scalar& _write(int row, int col)
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{
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EI_UNUSED(row);
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return m_matrix.write(m_row, col);
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}
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Scalar _read(int row, int col) const
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{
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EI_UNUSED(row);
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return m_matrix.read(m_row, col);
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}
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protected:
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MatRef m_matrix;
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const int m_row;
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};
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template<typename Scalar, typename Derived>
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EiRow<Derived>
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EiObject<Scalar, Derived>::row(int i)
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{
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return EiRow<Derived>(static_cast<Derived*>(this)->ref(), i);
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}
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#endif // EI_ROW_H
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