scc_filter: do not remove Fin sets from rejecting SCCs
* src/twaalgos/sccfilter.cc (acc_filter_some, acc_filter_all): Merge into... (acc_filter_mask): ... this single parametrized class, and only remove sets that are only used as Inf. * src/twa/acc.hh: Add missing operator~. * src/tests/sccsimpl.test: Add test case. * src/tests/sccdot.test: Adjust. * NEWS: Mention the bug.
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5 changed files with 148 additions and 50 deletions
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@ -168,7 +168,7 @@ State: 2
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[0&1] 0 {0 1}
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State: 3
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[1] 1
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[!1] 3
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[!1] 3 {2}
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State: 4
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[!0&1] 4 {0 1}
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[0&1] 4 {0 2}
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