GNU/Linux |
CentOS 4.8 |
i386 |
sqrt(3) |
sqrt, sqrtf, sqrtl − square root function
#include <math.h>
double sqrt(double x);
float sqrtf(float x);
long double sqrtl(long double x);
The sqrt() function returns the non-negative square root of x. It fails and sets errno to EDOM, if x is negative.
EDOM |
x is negative. |
SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double variants are C99 requirements.
hypot(3)
sqrt(3) |