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Improve cleanup_parity

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* spot/twaalgos/parity.cc: cleanup_parity and cleanup_parity_here are
  now better at finding useless parity colors
* tests/python/parity.py: test it
* NEWS: document the change
This commit is contained in:
Maximilien Colange 2018-02-21 16:21:43 +01:00
parent ac6b0c9432
commit e945beb607
3 changed files with 106 additions and 9 deletions
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51
tests/python/parity.py
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@ -37,3 +37,54 @@ except RuntimeError as e:
assert 'input should have parity acceptance' in str(e)
else:
exit(2)
a = spot.automaton("""
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 2 Fin(0) & Inf(1)
--BODY--
State: 0
[t] 0 {0}
--END--
""")
spot.cleanup_parity_here(a)
assert a.to_str() == """HOA: v1
States: 1
Start: 0
AP: 1 "a"
acc-name: none
Acceptance: 0 f
properties: trans-labels explicit-labels state-acc complete
properties: deterministic
--BODY--
State: 0
[t] 0
--END--"""
a = spot.automaton("""
HOA: v1
States: 1
Start: 0
AP: 1 "a"
Acceptance: 2 Fin(0) | Inf(1)
--BODY--
State: 0
[t] 0 {1}
--END--
""")
spot.cleanup_parity_here(a)
assert a.to_str() == """HOA: v1
States: 1
Start: 0
AP: 1 "a"
acc-name: all
Acceptance: 0 t
properties: trans-labels explicit-labels state-acc complete
properties: deterministic
--BODY--
State: 0
[t] 0
--END--"""