sqrt
Square root
double
sqrt
(
double x
)
Arguments
x
Argument (must be >= 0)
Return Value
The square root of
x
(sqrt(
x
)) is returned.
Explanation
The square root of
x
is calculated and its value is returned.
Notes
Error processing is shown in the table below:
Condition
Return value
Error
x
<0
0
Domain error