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introduce the original-classes named property

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* doc/org/concepts.org, NEWS: Document it.
* spot/twaalgos/determinize.cc, spot/twaalgos/determinize.hh,
spot/twaalgos/sbacc.cc, spot/twaalgos/sbacc.hh: Use it.
* spot/twa/twagraph.cc: Update it on defrag.
* spot/twa/twa.cc (copy_named_properties_of): Copy it.
* tests/python/det.py: New file.
* tests/Makefile.am: Add it.
* python/spot/impl.i (get_original_states, get_original_classes): New
methods, to help with the tests.
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Alexandre Duret-Lutz 2021-12-17 17:51:06 +01:00
parent d8f245a7de
commit 20bcc216a0
11 changed files with 170 additions and 35 deletions
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18
NEWS
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@ -1,5 +1,23 @@
New in spot 2.10.2.dev (not yet released)
Library:
- "original-classes" is a new named property similar to
"original-states". It maps an each state to an unsigned integer
such that if two classes are in the same class, they are expected
to recognize the same language. The "original-states" should be
prefered property when that integer correspond to some actual
state.
- tgba_determinize() learned to fill the "original-classes" property.
States of the determinized automaton that correspond to the same
subset of states of the original automaton belong to the same
class. Filling this property is only done on demand has it inccurs
on small overhead.
- sbacc() learned to take the "original-classes" property into
account and preserve it.
Bugs fixed:
- On automata where the absence of color is not rejecting