FREXP(3) BSD Programmer's Manual FREXP(3)NAMEfrexp - convert floating-point number to fractional and integral com-
ponents
SYNOPSIS
#include <math.h>
double
frexp(double value, int *exp);
DESCRIPTION
The frexp() function breaks a floating-point number into a normalized
fraction and an integral power of 2. It stores the integer in the int ob-
ject pointed to by exp.
RETURN VALUES
The frexp() function returns the value x, such that x is a double with
magnitude in the interval [1/2, 1) or zero, and value equals x times 2
raised to the power *exp. If value is zero, both parts of the result are
zero.
SEE ALSOldexp(3), math(3), modf(3)STANDARDS
The frexp() function conforms to ANSI X3.159-1989 ("ANSI C").
MirOS BSD #10-current June 4, 1993 1