English Amiga Board - View Single Post - Generating an accurate Paula period table

demolition · 18 June 2013, 22:41

When multiplying floats in a loop, round off errors can quickly become significant.

To test your results, I put this into MATLAB:

Code:

f = zeros(1,36);
for i = 1:36
    f(i) = 2 ^ ((i - 1) / 12);
end

round(856 ./ f)

The output gave exactly the same numbers as your C implementation.

18 June 2013, 22:41	#9
demolition Unregistered User Join Date: Sep 2012 Location: Copenhagen / DK Age: 43 Posts: 4,190	When multiplying floats in a loop, round off errors can quickly become significant. To test your results, I put this into MATLAB: Code: f = zeros(1,36); for i = 1:36 f(i) = 2 ^ ((i - 1) / 12); end round(856 ./ f) The output gave exactly the same numbers as your C implementation.