Speedup database_matroids.py tests #37338
Merged
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I strategically recast a few matroids in
database_matroids.py
toCircuitsMatroid
s (given #37148).On my old laptop, this results in a
x5
speedup in the testing of the file, and in ax2
speedup in the testing of the whole of thematroids
module (saving~1m
).