| COPYSIGN(3M) | Mathematical Library Functions | COPYSIGN(3M) |
copysign, copysignf, copysignl - number manipulation function
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);
These functions produce a value with the magnitude of x and the sign of y.
Upon successful completion, these functions return a value with the magnitude of x and the sign of y.
No errors are defined.
See attributes(7) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Interface Stability | Standard |
| MT-Level | MT-Safe |
| July 12, 2006 | SunOS 5.11 |