Linux / Unix Command: sqrt

Command Library

NAME

sqrt - square root function  

SYNOPSIS

#include <math.h>

double sqrt(double x);

 

DESCRIPTION

The sqrt() function returns the non-negative square root of x. It fails and sets errno to EDOM, if x is negative.  

ERRORS

EDOM

x is negative.

 

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899  

SEE ALSO

hypot(3)

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