51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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// Copyright (c) 2010-2011 GeometryFactory Sarl (France)
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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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// 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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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Number_types/include/CGAL/FPU_msvc.h $
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// $Id: FPU_msvc.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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//
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// Author(s) : Laurent Rineau
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#include <cfloat>
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#ifndef FE_INVALID
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# define FE_INEXACT _EM_INEXACT
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# define FE_UNDERFLOW _EM_UNDERFLOW
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# define FE_OVERFLOW _EM_OVERFLOW
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# define FE_DIVBYZERO _EM_ZERODIVIDE
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# define FE_INVALID _EM_INVALID
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#endif
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namespace CGAL {
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// replacement for C99 functions
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inline int
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feclearexcept(int /* exceptions */ ) {
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_clearfp();
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return 0;
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}
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inline int
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fetestexcept(int exceptions)
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{
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#if defined(_M_IX86) && _M_IX86_FP > 0
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// On x86/x64 processors, when SSE is used.
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unsigned int i1;
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unsigned int i2;
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_statusfp2(&i1, &i2);
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return (i1 & exceptions) | (i2 & exceptions);
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#else
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// On x86 processors without SSE, or on other processors supported by MSVC
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return _statusfp() & exceptions;
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#endif
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}
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} // end namespace CGAL
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