FREXP
Section: C Library Functions (3)
Index
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BSD mandoc
NAME
frexp
- convert floating-point number to fractional and integral components
SYNOPSIS
Fd #include <math.h>
Ft double
Fn frexp double value int *exp
DESCRIPTION
The
Fn frexp
function breaks a floating-point number into a normalized
fraction and an integral power of 2.
It stores the integer in the
int
object pointed to by
Fa exp .
RETURN VALUES
The
Fn frexp
function returns the value
x
such that
x
is a
double
with magnitude in the interval
Bq 1/2 , 1
or zero, and
Fa value
equals
x
times 2 raised to the power
Fa *exp .
If
Fa value
is zero, both parts of the result are zero.
SEE ALSO
ldexp(3),
modf(3),
math(3)
STANDARDS
The
Fn frexp
function conforms to
St -ansiC .
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- RETURN VALUES
-
- SEE ALSO
-
- STANDARDS
-
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Time: 16:28:58 GMT, April 18, 2022