Created
May 12, 2014 19:19
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An Octave program to compute a compensated sum.
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| function s = KahanSum(x) | |
| s = 0; % the sum | |
| r = 0; % the error or remainder | |
| for i = 1:length(x) | |
| tmp = s; | |
| y = x(i) + r; | |
| s = tmp + y; % s = s + x_i | |
| r = (tmp - s) + y; | |
| end | |
| end |
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