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Correct bug in DirectFactorsOfGroup #566

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hungaborhorvath
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Stupid mistake: instead of (A or B) and C, there was A or B and C,
which evaluated true instead of false for A=true and C=false.

This was a bug was introduced in #379, and reported by @alex-konovalov there after the merge.

Stupid mistake: instead of "(A or B) and C", there was "A or B and C",
which evaluated true instead of false for A=true and C=false.
@markuspf
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markuspf commented Feb 1, 2016

This looks good to me, and I'd be keen to merge soon, since this fixes a bug that causes a wrong result.

@olexandr-konovalov
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To me too, so I am merging this now.

The fix in the test teaches a lesson that you that when the test created from the output is passing, that does not always mean that that output is correct :)

olexandr-konovalov pushed a commit that referenced this pull request Feb 1, 2016
Correct bug in DirectFactorsOfGroup
@olexandr-konovalov olexandr-konovalov merged commit 8d2a6c7 into gap-system:master Feb 1, 2016
@hungaborhorvath
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@alex-konovalov Fair enough, duly noted.

@hungaborhorvath hungaborhorvath deleted the DirectFactorBug branch February 1, 2016 23:08
@olexandr-konovalov olexandr-konovalov added the release notes: not needed PRs introducing changes that are wholly irrelevant to the release notes label Jan 20, 2018
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3 participants