Graphics.Rendering.Chart.Backend.Diagrams:calcFontMetrics from Chart-diagrams-1.5.1, A

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\[\frac{x + y}{1 - \frac{y}{z}} \]
(FPCore (x y z) :precision binary64 (/ (+ x y) (- 1.0 (/ y z))))
double code(double x, double y, double z) {
	return (x + y) / (1.0 - (y / z));
}
real(8) function code(x, y, z)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    real(8), intent (in) :: z
    code = (x + y) / (1.0d0 - (y / z))
end function
public static double code(double x, double y, double z) {
	return (x + y) / (1.0 - (y / z));
}
def code(x, y, z):
	return (x + y) / (1.0 - (y / z))
function code(x, y, z)
	return Float64(Float64(x + y) / Float64(1.0 - Float64(y / z)))
end
function tmp = code(x, y, z)
	tmp = (x + y) / (1.0 - (y / z));
end
code[x_, y_, z_] := N[(N[(x + y), $MachinePrecision] / N[(1.0 - N[(y / z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\frac{x + y}{1 - \frac{y}{z}}