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#include "libm.h" // for ldshape, ldshape::(anonymous)
#include <float.h> // for LDBL_MANT_DIG, LDBL_MAX_EXP, LDBL_EPSILON
#include <math.h> // for rintl
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
long double rintl(long double x)
{
return rint(x);
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
static const long double toint = 1 / LDBL_EPSILON;
long double rintl(long double x)
{
union ldshape u = { x };
int e = u.i.se & 0x7fff;
int s = u.i.se >> 15;
long double y;
if (e >= 0x3fff + LDBL_MANT_DIG - 1)
return x;
if (s)
y = x - toint + toint;
else
y = x + toint - toint;
if (y == 0)
return 0 * x;
return y;
}
#endif
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