product: Büchi|Büchi=Büchi, CoBüchi&CoBüchi=CoBüchi

Improve the construction of the above constructions, saving colors.

* spot/twaalgos/product.cc: Here.
* spot/twaalgos/product.hh, NEWS: Mention it.
* tests/core/prodchain.test, tests/core/prodor.test,
tests/python/_product_weak.ipynb: Adjust.
This commit is contained in:
Alexandre Duret-Lutz 2022-09-06 18:05:52 +02:00
parent 7cf580a9c5
commit 0f131f2eee
6 changed files with 6449 additions and 2140 deletions

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