SQRT - square root function.

(ANSI Standard)

Usage:

#include <math.h>
y = sqrt( x );

Where:

double x, y;
 

Description:

"sqrt" returns the square root of "x". If "x" is negative, "sqrt" returns zero and sets "errno" to EDOM.

See Also:

expl c lib errno

Copyright © 1996, Thinkage Ltd.