Diagrams.Trail:splitAtParam from diagrams-lib-1.3.0.3, C

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\[\frac{x - y}{1 - y} \]
(FPCore (x y) :precision binary64 (/ (- x y) (- 1.0 y)))
double code(double x, double y) {
	return (x - y) / (1.0 - y);
}

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

public static double code(double x, double y) {
	return (x - y) / (1.0 - y);
}

def code(x, y):
	return (x - y) / (1.0 - y)

function code(x, y)
	return Float64(Float64(x - y) / Float64(1.0 - y))
end

function tmp = code(x, y)
	tmp = (x - y) / (1.0 - y);
end

code[x_, y_] := N[(N[(x - y), $MachinePrecision] / N[(1.0 - y), $MachinePrecision]), $MachinePrecision]

\frac{x - y}{1 - y}