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#include "libm.h"
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
int __fpclassifyl(long double x)
{
return __fpclassify(x);
}
#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
union ldshape u = {x};
int e = u.i.se & 0x7fff;
int msb = u.i.m>>63;
if (!e && !msb)
return u.i.m ? FP_SUBNORMAL : FP_ZERO;
if (!msb)
return FP_NAN;
if (e == 0x7fff)
return u.i.m << 1 ? FP_NAN : FP_INFINITE;
return FP_NORMAL;
}
#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
int __fpclassifyl(long double x)
{
union ldshape u = {x};
int e = u.i.se & 0x7fff;
if (!e)
return u.i2.lo | u.i2.hi ? FP_SUBNORMAL : FP_ZERO;
if (e == 0x7fff) {
u.i.se = 0;
return u.i2.lo | u.i2.hi ? FP_NAN : FP_INFINITE;
}
return FP_NORMAL;
}
#endif
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