sqrt D (should all be same)

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?

\[\sqrt{2 \cdot {x}^{2}} \]
(FPCore (x) :precision binary64 (sqrt (* 2.0 (pow x 2.0))))
double code(double x) {
	return sqrt((2.0 * pow(x, 2.0)));
}

real(8) function code(x)
    real(8), intent (in) :: x
    code = sqrt((2.0d0 * (x ** 2.0d0)))
end function

public static double code(double x) {
	return Math.sqrt((2.0 * Math.pow(x, 2.0)));
}

def code(x):
	return math.sqrt((2.0 * math.pow(x, 2.0)))

function code(x)
	return sqrt(Float64(2.0 * (x ^ 2.0)))
end

function tmp = code(x)
	tmp = sqrt((2.0 * (x ^ 2.0)));
end

code[x_] := N[Sqrt[N[(2.0 * N[Power[x, 2.0], $MachinePrecision]), $MachinePrecision]], $MachinePrecision]

\sqrt{2 \cdot {x}^{2}}