/usr/include/CGAL/FPU_msvc.h is in libcgal-dev 4.5-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | // Copyright (c) 2010-2011 GeometryFactory Sarl (France)
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// $URL$
// $Id$
//
//
// 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
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