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#include <math.h>
#include <stdint.h>
#include <float.h>
#if LDBL_MANT_DIG == 64 && LDBL_MAX_EXP == 16384
/* This version is for 80-bit little endian long double */
long double frexpl(long double x, int *e)
{
union { long double ld; uint16_t hw[5]; } y = { x };
int ee = y.hw[4]&0x7fff;
if (!ee) {
if (x) {
x = frexpl(x*0x1p64, e);
*e -= 64;
} else *e = 0;
return x;
} else if (ee == 0x7fff) {
return x;
}
*e = ee - 0x3ffe;
y.hw[4] &= 0x8000;
y.hw[4] |= 0x3ffe;
return y.ld;
}
#else
long double frexpl(long double x, int *e)
{
return frexp(x, e);
}
#endif
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