Method sqrt()

Method sqrt

float sqrt(float f)
int(0..) sqrt(int(0..) i)
mixed sqrt(object o)

Description

Returns the square root of f, or in the integer case, the square root truncated to the closest lower integer. If the argument is an object, the lfun _sqrt in the object will be called.

See also

pow(), log(), exp(), floor(), lfun::_sqrt