31 lines
1.2 KiB
C
31 lines
1.2 KiB
C
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// Copyright (c) 2006-2013 INRIA Nancy-Grand Est (France). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Algebraic_kernel_d/include/CGAL/RS/Gmpfr_make_unique.h $
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// $Id: Gmpfr_make_unique.h 52164b1 2019-10-19T15:34:59+02:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author: Luis Peñaranda <luis.penaranda@gmx.com>
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#ifndef CGAL_RS_GMPFR_MAKE_UNIQUE_H
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#define CGAL_RS_GMPFR_MAKE_UNIQUE_H
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#include <CGAL/Gmpfr.h>
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// Make sure a number does not share references. If it does, copy it.
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#ifdef CGAL_GMPFR_NO_REFCOUNT
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# define CGAL_RS_GMPFR_MAKE_UNIQUE(_number,_tempvar) {};
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#else // CGAL_GMPFR_NO_REFCOUNT
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# define CGAL_RS_GMPFR_MAKE_UNIQUE(_number,_tempvar) \
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if(!_number.is_unique()){ \
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Gmpfr _tempvar(0,_number.get_precision()); \
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mpfr_set(_tempvar.fr(),_number.fr(),GMP_RNDN); \
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_number=_tempvar; \
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CGAL_assertion_code(_tempvar=Gmpfr();) \
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CGAL_assertion(_number.is_unique()); \
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}
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#endif // CGAL_GMPFR_NO_REFCOUNT
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#endif // CGAL_RS_GMPFR_MAKE_UNIQUE_H
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