COPYSIGN(3M) Mathematical Library Functions COPYSIGN(3M)
NAME
copysign, copysignf, copysignl - number manipulation function
SYNOPSIS
c99 [
flag... ]
file...
-lm [
library... ]
#include <math.h>
double copysign(
double x,
double y);
float copysignf(
float x,
float y);
long double copysignl(
long double x,
long double y);
DESCRIPTION
These functions produce a value with the magnitude of
x and the sign
of
y.
RETURN VALUES
Upon successful completion, these functions return a value with the
magnitude of
x and the sign of
y.
ERRORS
No errors are defined.
ATTRIBUTES
See
attributes(7) for descriptions of the following attributes:
+----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+----------------------------+-----------------------------+
|Interface Stability | Standard |
+----------------------------+-----------------------------+
|MT-Level | MT-Safe |
+----------------------------+-----------------------------+
SEE ALSO
math.h(3HEAD),
signbit(3M),
attributes(7),
standards(7)SunOS 5.11 July 12, 2006 COPYSIGN(3M)
