FPU_msvc.h
// Copyright (c) 2010-2011 GeometryFactory Sarl (France)
//
// This file is part of CGAL (www.cgal.org)
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Laurent Rineau
#include <cfloat>
#ifndef FE_INVALID
# define FE_INEXACT _EM_INEXACT
# define FE_UNDERFLOW _EM_UNDERFLOW
# define FE_OVERFLOW _EM_OVERFLOW
# define FE_DIVBYZERO _EM_ZERODIVIDE
# define FE_INVALID _EM_INVALID
#endif
namespace CGAL {
// replacement for C99 functions
inline int
feclearexcept(int /* exceptions */ ) {
_clearfp();
return 0;
}
inline int
fetestexcept(int exceptions)
{
#if defined(_M_IX86) && _M_IX86_FP > 0
// On x86/x64 processors, when SSE is used.
unsigned int i1;
unsigned int i2;
_statusfp2(&i1, &i2);
return (i1 & exceptions) | (i2 & exceptions);
#else
// On x86 processors without SSE, or on other processors supported by MSVC
return _statusfp() & exceptions;
#endif
}
} // end namespace CGAL