sqrt sqr

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\[\frac{x}{x} - \frac{1}{x} \cdot \sqrt{x \cdot x} \]
(FPCore (x) :precision binary64 (- (/ x x) (* (/ 1.0 x) (sqrt (* x x)))))
double code(double x) {
	return (x / x) - ((1.0 / x) * sqrt((x * x)));
}
real(8) function code(x)
    real(8), intent (in) :: x
    code = (x / x) - ((1.0d0 / x) * sqrt((x * x)))
end function
public static double code(double x) {
	return (x / x) - ((1.0 / x) * Math.sqrt((x * x)));
}
def code(x):
	return (x / x) - ((1.0 / x) * math.sqrt((x * x)))
function code(x)
	return Float64(Float64(x / x) - Float64(Float64(1.0 / x) * sqrt(Float64(x * x))))
end
function tmp = code(x)
	tmp = (x / x) - ((1.0 / x) * sqrt((x * x)));
end
code[x_] := N[(N[(x / x), $MachinePrecision] - N[(N[(1.0 / x), $MachinePrecision] * N[Sqrt[N[(x * x), $MachinePrecision]], $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\frac{x}{x} - \frac{1}{x} \cdot \sqrt{x \cdot x}