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Optimize colors.to_rgba.#15834

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NelleV merged 1 commit intomatplotlib:masterfrom
anntzer:to_rgba
Dec 5, 2019
Merged

Optimize colors.to_rgba.#15834
NelleV merged 1 commit intomatplotlib:masterfrom
anntzer:to_rgba

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@anntzer anntzer commented Dec 4, 2019

In the case where a (r, g, b) / (r, g, b, a) tuple is passed in this
PR makes _to_rgba_no_colorcycle ~2x faster (by avoiding converting to
ndarray and back to tuple). String inputs are handled earlier and thus
unchanged; array inputs are essentially as fast.

Lifted out of #15833 as it's also useful in itself.

PR Summary

PR Checklist

  • Has Pytest style unit tests
  • Code is Flake 8 compliant
  • New features are documented, with examples if plot related
  • Documentation is sphinx and numpydoc compliant
  • Added an entry to doc/users/next_whats_new/ if major new feature (follow instructions in README.rst there)
  • Documented in doc/api/api_changes.rst if API changed in a backward-incompatible way

In the case where a (r, g, b) / (r, g, b, a) tuple is passed in this
PR makes _to_rgba_no_colorcycle ~2x faster (by avoiding converting to
ndarray and back to tuple).  String inputs are handled earlier and thus
unchanged; array inputs are essentially as fast.
@anntzer anntzer mentioned this pull request Dec 4, 2019
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@tacaswell tacaswell added this to the v3.3.0 milestone Dec 5, 2019
@NelleV NelleV merged commit 0851574 into matplotlib:master Dec 5, 2019
@anntzer anntzer deleted the to_rgba branch December 5, 2019 14:53
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3 participants