sqrt(3) - sqrt, sqrtf, sqrtl, sqrt, sqrtf, sqrtl - square root function - man 3 sqrt
SQRT(3) Linux Programmer's Manual SQRT(3)
NAME
sqrt, sqrtf, sqrtl - square root function
SYNOPSIS
#include <math.h>
double sqrt(double x);
float sqrtf(float x);
long double sqrtl(long double x);
Link with -lm.
DESCRIPTION
The sqrt() function returns the non-negative square root of x. It
fails and sets errno to EDOM, if(3,n) x is negative.
ERRORS
EDOM x is negative.
CONFORMING TO
SVID 3, POSIX, BSD 4.3, ISO 9899. The float and the long double vari-
ants are C99 requirements.
SEE ALSO
hypot(3)
2002-07-27 SQRT(3)
References for this manual (incoming links)