Data.Colour.CIE:cieLABView from colour-2.3.3, A

Specification

?
\[\begin{array}{l} \\ \frac{841}{108} \cdot x + \frac{4}{29} \end{array} \]
(FPCore (x) :precision binary64 (+ (* (/ 841.0 108.0) x) (/ 4.0 29.0)))
double code(double x) {
	return ((841.0 / 108.0) * x) + (4.0 / 29.0);
}
real(8) function code(x)
    real(8), intent (in) :: x
    code = ((841.0d0 / 108.0d0) * x) + (4.0d0 / 29.0d0)
end function
public static double code(double x) {
	return ((841.0 / 108.0) * x) + (4.0 / 29.0);
}
def code(x):
	return ((841.0 / 108.0) * x) + (4.0 / 29.0)
function code(x)
	return Float64(Float64(Float64(841.0 / 108.0) * x) + Float64(4.0 / 29.0))
end
function tmp = code(x)
	tmp = ((841.0 / 108.0) * x) + (4.0 / 29.0);
end
code[x_] := N[(N[(N[(841.0 / 108.0), $MachinePrecision] * x), $MachinePrecision] + N[(4.0 / 29.0), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}

\\
\frac{841}{108} \cdot x + \frac{4}{29}
\end{array}

Cannot sample enough valid points. (more)