Graphics.Rasterific.Shading:$sradialGradientWithFocusShader from Rasterific-0.6.1

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\[x - y \cdot y \]
(FPCore (x y) :precision binary64 (- x (* y y)))
double code(double x, double y) {
	return x - (y * y);
}
real(8) function code(x, y)
    real(8), intent (in) :: x
    real(8), intent (in) :: y
    code = x - (y * y)
end function
public static double code(double x, double y) {
	return x - (y * y);
}
def code(x, y):
	return x - (y * y)
function code(x, y)
	return Float64(x - Float64(y * y))
end
function tmp = code(x, y)
	tmp = x - (y * y);
end
code[x_, y_] := N[(x - N[(y * y), $MachinePrecision]), $MachinePrecision]
x - y \cdot y