#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 (e == 0x7fff) {
                /* The x86 variant of 80-bit extended precision only admits
                 * one representation of each infinity, with the mantissa msb
                 * necessarily set. The version with it clear is invalid/nan.
                 * The m68k variant, however, allows either, and tooling uses
                 * the version with it clear. */
                if (__BYTE_ORDER == __LITTLE_ENDIAN && !msb)
                        return FP_NAN;
                return u.i.m << 1 ? FP_NAN : FP_INFINITE;
        }
        if (!msb)
                return FP_NAN;
        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;
        u.i.se = 0;
        if (!e)
                return u.i2.lo | u.i2.hi ? FP_SUBNORMAL : FP_ZERO;
        if (e == 0x7fff)
                return u.i2.lo | u.i2.hi ? FP_NAN : FP_INFINITE;
        return FP_NORMAL;
}
#endif