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MNT: pcolormesh robust underflow #27773
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ksunden
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MNT: pcolormesh robust underflow #27773
ksunden
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matplotlib:main
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jklymak:mnt-pcolormesh-robust-underflow
Feb 12, 2024
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dstansby
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lib/matplotlib/tests/test_axes.py
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def test_pcolormesh_underflow_error(): | ||
""" | ||
Test that underflow errors don't crop up in pcolormesh. Probably | ||
a numpy bug, but... |
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a numpy bug, but... | |
a numpy bug. See https://github.com/matplotlib/matplotlib/issues/27770. |
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If we think this is a numpy bug, we should also report it upstream.
numpy/numpy#25810 <- upstream issue. |
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Mnt pcolormesh robust underflow
MNT: pcolormesh robust underflow
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dstansby
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anyone can merge if appveyor is green. |
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Closes #27770
This looks to be a numpy masked array problem, but multiplication doesn't trigger the spurious underflow, and probably is a touch faster as well.