| COPYSIGN(3) | Library Functions Manual | COPYSIGN(3) |
copysign, copysignf,
copysignl —
#include <math.h>
double
copysign(double
x, double y);
float
copysignf(float
x, float y);
long double
copysignl(long
double x, long double
y);
#include
<tgmath.h>
real-floating
copysign(real-floating
x, real-floating
y);
copysign(), copysignf(), and
copysignl() functions return a value whose absolute
value matches x, but whose sign bit is taken from
y.
| September 28, 2017 | NetBSD 9.0 |