(FPCore (x) :precision binary64 (/ 1.0 (sqrt x)))

(FPCore (x) :precision binary64 (pow x -0.5))

double code(double x) {
	return 1.0 / sqrt(x);
}

double code(double x) {
	return pow(x, -0.5);
}

real(8) function code(x)
    real(8), intent (in) :: x
    code = 1.0d0 / sqrt(x)
end function

real(8) function code(x)
    real(8), intent (in) :: x
    code = x ** (-0.5d0)
end function

public static double code(double x) {
	return 1.0 / Math.sqrt(x);
}

public static double code(double x) {
	return Math.pow(x, -0.5);
}

def code(x):
	return 1.0 / math.sqrt(x)

def code(x):
	return math.pow(x, -0.5)

function code(x)
	return Float64(1.0 / sqrt(x))
end

function code(x)
	return x ^ -0.5
end

function tmp = code(x)
	tmp = 1.0 / sqrt(x);
end

function tmp = code(x)
	tmp = x ^ -0.5;
end

code[x_] := N[(1.0 / N[Sqrt[x], $MachinePrecision]), $MachinePrecision]

code[x_] := N[Power[x, -0.5], $MachinePrecision]

\frac{1}{\sqrt{x}}

{x}^{-0.5}