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hoa: add option 'b' to build an alias-based basis for all labels

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Related to issue #563.

* spot/twaalgos/hoa.hh (create_alias_basis): New function.
* spot/twaalgos/hoa.cc (create_alias_basis): New function.
(print_hoa): Add support for option 'b' and create_alias_basis
in this case.
* bin/common_aoutput.cc, NEWS: Document -Hb.
* tests/core/readsave.test, tests/python/aliases.py: Add test cases.
This commit is contained in:
Alexandre Duret-Lutz 2024-03-22 14:41:42 +01:00
parent 03a4f01184
commit 7e228e86ee
6 changed files with 129 additions and 12 deletions
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bin/common_aoutput.cc
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@ -132,6 +132,7 @@ static const argp_option options[] =
{ "hoaf", 'H', "1.1|i|k|l|m|s|t|v", OPTION_ARG_OPTIONAL,
"Output the automaton in HOA format (default). Add letters to select "
"(1.1) version 1.1 of the format, "
"(b) create an alias basis if >=2 AP are used, "
"(i) use implicit labels for complete deterministic automata, "
"(s) prefer state-based acceptance when possible [default], "
"(t) force transition-based acceptance, "