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improve readability of parity(false, true, 5)

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* spot/twa/acc.hh: Introduce parity_min_odd(n) and friends.
* spot/twaalgos/determinize.cc, spot/twaalgos/rabin2parity.cc,
spot/twaalgos/toparity.cc: Use them.
* tests/python/parity.py: Call each function exhaustively.
* NEWS: Mention the new functions.
This commit is contained in:
Alexandre Duret-Lutz 2019-10-08 15:18:48 +02:00
parent b2539e8399
commit 566a43dd17
6 changed files with 74 additions and 25 deletions
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10
NEWS
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@ -30,6 +30,16 @@ New in spot 2.8.2.dev (not yet released)
variants of F[n:m] and G[n:m], but those four are only implemented
as syntactic sugar.
- acc_cond::acc_code::parity(bool, bool, int) was not very readable,
as it was unclear to the reader what the boolean argument meant.
The following sister functions can now improve readability:
parity_max(is_odd, n) = parity(true, is_odd, n)
parity_max_odd(n) = parity_max(true, n)
parity_max_even(n) = parity_max(false, n)
parity_min(is_odd, n) = parity(false, is_odd, n)
parity_min_odd(n) = parity_min(true, n)
parity_min_even(n) = parity_min(false, n)
Python:
- Doing "import spot.foo" will now load any spot-extra/foo.py on