HP C/iX Library Reference Manual (30026-90004)

Chapter 5 323
HP C/iX Library Function Descriptions
sqrt
sqrt
Computes the square root of a number.
Syntax
#include <math.h>
double sqrt (double x );
Parameters
x A real number.
Return Values
n The square root of the real number.
0 The
x parameter is negative; errno is set to EDOM.
Description
Error handling can be changed by a user-written matherr function.
See Also
pow(), matherr(), ANSI C 4.5.5.2, POSIX.1 8.1