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twa_graph: swap the two passes of merge_edges()

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This improves the determinism in a few cases.

* spot/twa/twagraph.cc (merge_edges): Encapsulate the two
passes into lambdas so that they are very easy to swap.
* spot/twa/twagraph.hh (merge_edges): Adjust documentation.
* tests/python/mergedge.py: Add test case.
* tests/core/alternating.test, tests/python/alternation.ipynb:
Determinism was improved.
* tests/core/parity2.test, tests/core/readsave.test,
tests/core/sbacc.test, tests/python/_product_susp.ipynb,
tests/python/atva16-fig2a.ipynb, tests/python/decompose.ipynb,
tests/python/highlighting.ipynb, tests/python/satmin.ipynb,
tests/python/simstate.py: Adjust expected order of edges.
* NEWS: Mention the change.
This commit is contained in:
Alexandre Duret-Lutz 2021-01-19 20:58:04 +01:00
parent e8e31c2723
commit 2072151499
15 changed files with 1963 additions and 1896 deletions
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10
tests/core/readsave.test
View file

@ -1,6 +1,6 @@
#!/bin/sh
# -*- coding: utf-8 -*-
# Copyright (C) 2009, 2010, 2012, 2014-2020 Laboratoire de
# Copyright (C) 2009, 2010, 2012, 2014-2021 Laboratoire de
# Recherche et Développement de l'Epita (LRDE).
# Copyright (C) 2003, 2004 Laboratoire d'Informatique de Paris 6 (LIP6),
# département Systèmes Répartis Coopératifs (SRC), Université Pierre
@ -364,8 +364,8 @@ digraph "G(Fa & Fb)" {
I -> 0
0 [label="0"]
0 -> 0 [label="!a & !b"]
0 -> 0 [label="!a & b\n{1}"]
0 -> 0 [label="a & !b\n{0}"]
0 -> 0 [label="!a & b\n{1}"]
0 -> 0 [label="a & b\n{0,1}"]
}
EOF
@ -383,8 +383,8 @@ digraph "G(Fa & Fb)" {
I -> 0
0 [label="0"]
0 -> 0 [label="!a & !b"]
0 -> 0 [label="!a & b\n❶"]
0 -> 0 [label="a & !b\n⓿"]
0 -> 0 [label="!a & b\n❶"]
0 -> 0 [label="a & b\n⓿❶"]
}
EOF
@ -402,8 +402,8 @@ digraph "G(Fa & Fb)" {
I -> 0
0 [label="0"]
0 -> 0 [label=""]
0 -> 0 [label="❶"]
0 -> 0 [label="⓿"]
0 -> 0 [label="❶"]
0 -> 0 [label="⓿❶"]
}
EOF
@ -428,8 +428,8 @@ digraph "G(Fa & Fb)" {
I -> 0
0 [label=<0>]
0 -> 0 [label=<!a &amp; !b>]
0 -> 0 [label=<!a &amp; b<br/>$one>]
0 -> 0 [label=<a &amp; !b<br/>$zero>]
0 -> 0 [label=<!a &amp; b<br/>$one>]
0 -> 0 [label=<a &amp; b<br/>$zero$one>]
}
EOF