In what follows, the impact of this bug on the power spectra of the produced maps is quantified, so that users can assess how much their work could have been affected by this bug.
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It can be seen that the relative effect of the computation error on the produced maps was large at low l, at scales on which derivatives maps contain little power, but decreasing steadily with l.
It should be stressed that the following quantities were not affected by the bug described above:
Version 3.30, 2015-10-08