#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid
[] = "@(#)frexp.c 5.2 (Berkeley) %G%";
#endif LIBC_SCCS and not lint
* must return a double fp quantity x which is <1.0
* and the corresponding binary exponent "exp".
* if the argument is 0.0, return 0.0 mantissa and 0 exponent.
else if(x
<0.5 && x
!= 0.0)