mirror of
https://gitlab.com/libeigen/eigen.git
synced 2026-04-10 11:34:33 +08:00
3036eeca0a
release of tvmet (inactive for 2 years and developer unreachable) as the basis for eigen2, because it provides seemingly good expression template mechanisms, we want that, and it would take years to reinvent that wheel. We'll see. So this commit imports the last tvmet release.
108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
/*
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* Tiny Vector Matrix Library
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* Dense Vector Matrix Libary of Tiny size using Expression Templates
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*
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* Copyright (C) 2001 - 2003 Olaf Petzold <opetzold@users.sourceforge.net>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* $Id: Extremum.h,v 1.6 2003/11/30 08:26:25 opetzold Exp $
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*/
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#ifndef TVMET_EXTREMUM_H
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#define TVMET_EXTREMUM_H
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namespace tvmet {
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/**
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* \class matrix_tag Extremum.h "tvmet/Extremum.h"
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* \brief For use with Extremum to simplify max handling.
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* This allows the min/max functions to return an Extremum object.
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*/
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struct matrix_tag { };
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/**
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* \class vector_tag Extremum.h "tvmet/Extremum.h"
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* \brief For use with Extremum to simplify max handling.
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* This allows the min/max functions to return an Extremum object.
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*/
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struct vector_tag { };
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/**
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* \class Extremum Extremum.h "tvmet/Extremum.h"
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* \brief Generell class for storing extremums determined by min/max.
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*/
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template<class T1, class T2, class Tag>
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class Extremum { };
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/**
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* \class Extremum<T1, T2, vector_tag> Extremum.h "tvmet/Extremum.h"
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* \brief Partial specialzed for vectors to store extremums by value and index.
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*/
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template<class T1, class T2>
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class Extremum<T1, T2, vector_tag>
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{
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public:
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typedef T1 value_type;
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typedef T2 index_type;
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public:
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Extremum(value_type value, index_type index)
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: m_value(value), m_index(index) { }
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value_type value() const { return m_value; }
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index_type index() const { return m_index; }
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private:
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value_type m_value;
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index_type m_index;
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};
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/**
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* \class Extremum<T1, T2, matrix_tag> Extremum.h "tvmet/Extremum.h"
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* \brief Partial specialzed for matrix to store extremums by value, row and column.
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*/
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template<class T1, class T2>
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class Extremum<T1, T2, matrix_tag>
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{
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public:
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typedef T1 value_type;
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typedef T2 index_type;
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public:
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Extremum(value_type value, index_type row, index_type col)
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: m_value(value), m_row(row), m_col(col) { }
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value_type value() const { return m_value; }
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index_type row() const { return m_row; }
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index_type col() const { return m_col; }
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private:
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value_type m_value;
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index_type m_row, m_col;
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};
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} // namespace tvmet
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#endif // TVMET_EXTREMUM_H
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// Local Variables:
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// mode:C++
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// End:
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