ardupilot/libraries/AP_Common/missing/cmath
Andrew Tridgell 2108127712 AP_Common: gcc 4.9.2 behaves differently from 4.9.3
tested 4.9.3 on cygwin, 4.9.2 on ubuntu

I do hope that it doesn't depend on the OS
2016-06-21 21:34:54 +10:00

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#pragma once
#include_next <cmath>
#ifndef WAF_BUILD
# ifdef __GNUG__
# define _GCC_VERSION (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__)
# if _GCC_VERSION >= 40903
# ifndef HAVE_CMATH_ISFINITE
# define HAVE_CMATH_ISFINITE
# define NEED_CMATH_ISFINITE_STD_NAMESPACE
# endif
# ifndef HAVE_CMATH_ISINF
# define HAVE_CMATH_ISINF
# define NEED_CMATH_ISINF_STD_NAMESPACE
# endif
# ifndef HAVE_CMATH_ISNAN
# define HAVE_CMATH_ISNAN
# define NEED_CMATH_ISNAN_STD_NAMESPACE
# endif
# endif
# undef _GCC_VERSION
# endif
#endif
#if defined(HAVE_CMATH_ISFINITE) && defined(NEED_CMATH_ISFINITE_STD_NAMESPACE)
using std::isfinite;
#endif
#if defined(HAVE_CMATH_ISINF) && defined(NEED_CMATH_ISINF_STD_NAMESPACE)
using std::isinf;
#endif
#if defined(HAVE_CMATH_ISNAN) && defined(NEED_CMATH_ISNAN_STD_NAMESPACE)
using std::isnan;
#endif