1#include "libm.h"
2
3#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
4int __fpclassifyl(long double x)
5{
6	return __fpclassify(x);
7}
8#elif LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
9int __fpclassifyl(long double x)
10{
11	union ldshape u = {x};
12	int e = u.i.se & 0x7fff;
13	int msb = u.i.m>>63;
14	if (!e && !msb)
15		return u.i.m ? FP_SUBNORMAL : FP_ZERO;
16	if (!msb)
17		return FP_NAN;
18	if (e == 0x7fff)
19		return u.i.m << 1 ? FP_NAN : FP_INFINITE;
20	return FP_NORMAL;
21}
22#elif LDBL_MANT_DIG == 113 && LDBL_MAX_EXP == 16384
23int __fpclassifyl(long double x)
24{
25	union ldshape u = {x};
26	int e = u.i.se & 0x7fff;
27	u.i.se = 0;
28	if (!e)
29		return u.i2.lo | u.i2.hi ? FP_SUBNORMAL : FP_ZERO;
30	if (e == 0x7fff)
31		return u.i2.lo | u.i2.hi ? FP_NAN : FP_INFINITE;
32	return FP_NORMAL;
33}
34#endif
35