112 lines
3.2 KiB
C++
Executable File
112 lines
3.2 KiB
C++
Executable File
// Copyright (c) 1998-2003 ETH Zurich (Switzerland).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Michael Hoffmann <hoffmann@inf.ethz.ch>
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#ifndef CGAL_CARTESIAN_MATRIX_H
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#define CGAL_CARTESIAN_MATRIX_H 1
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#include <CGAL/license/Matrix_search.h>
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#include <CGAL/basic.h>
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#include <CGAL/Optimisation/assertions.h>
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namespace CGAL {
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template < class Operation,
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class RandomAccessIC_row,
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class RandomAccessIC_column >
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class Cartesian_matrix {
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public:
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typedef typename Operation::result_type Value;
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Cartesian_matrix(RandomAccessIC_row r_f,
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RandomAccessIC_row r_l,
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RandomAccessIC_column c_f,
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RandomAccessIC_column c_l)
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: row_vec(r_f),
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column_vec(c_f),
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n_rows(static_cast<int>(r_l - r_f)),
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n_columns(static_cast<int>(c_l - c_f))
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{}
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Cartesian_matrix(RandomAccessIC_row r_f,
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RandomAccessIC_row r_l,
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RandomAccessIC_column c_f,
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RandomAccessIC_column c_l,
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const Operation& o)
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: row_vec(r_f),
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column_vec(c_f),
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n_rows(static_cast<int>(r_l - r_f)),
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n_columns(static_cast<int>(c_l - c_f)),
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op(o)
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{}
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int
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number_of_rows() const
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{ return n_rows; }
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int
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number_of_columns() const
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{ return n_columns; }
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Value
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operator()(int r, int c) const
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{
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CGAL_optimisation_precondition(r >= 0 && r < number_of_rows());
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CGAL_optimisation_precondition(c >= 0 && c < number_of_columns());
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return op(row_vec[r], column_vec[c]);
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}
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protected:
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RandomAccessIC_row row_vec;
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RandomAccessIC_column column_vec;
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int n_rows;
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int n_columns;
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Operation op;
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}; // class Cartesian_matrix< ... >
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template < class Operation,
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class RandomAccessIC_row,
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class RandomAccessIC_column >
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inline
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Cartesian_matrix< Operation,
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RandomAccessIC_row,
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RandomAccessIC_column >
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cartesian_matrix( RandomAccessIC_row r_f,
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RandomAccessIC_row r_l,
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RandomAccessIC_column c_f,
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RandomAccessIC_column c_l,
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const Operation& o)
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{
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return
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Cartesian_matrix< Operation,
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RandomAccessIC_row,
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RandomAccessIC_column >
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( r_f, r_l, c_f, c_l, o);
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}
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} //namespace CGAL
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#endif // ! (CGAL_CARTESIAN_MATRIX_H)
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// ----------------------------------------------------------------------------
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// ** EOF
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// ----------------------------------------------------------------------------
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