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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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25
libc/math/nearbyintl.c Normal file
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#include "libc/math/math.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
long double nearbyintl(long double x)
{
return nearbyint(x);
}
#else
#include "libc/math/fenv.h"
long double nearbyintl(long double x)
{
#ifdef FE_INEXACT
#pragma STDC FENV_ACCESS ON
int e;
e = fetestexcept(FE_INEXACT);
#endif
x = rintl(x);
#ifdef FE_INEXACT
if (!e)
feclearexcept(FE_INEXACT);
#endif
return x;
}
#endif