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Prevent SciPy deprecation warning for estimate_gradients_2d_global #475

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Merged
merged 2 commits into from
May 13, 2025

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@basnijholt basnijholt commented May 13, 2025

Currently, I see:

  ~/Work/pipefunc/.venv/lib/python3.13/site-packages/adaptive/learner/learner2D.py:52: DeprecationWarning: `scipy.interpolate.interpnd.estimate_gradients_2d_global` is deprecated along with the `scipy.interpolate.interpnd` namespace. `scipy.interpolate.interpnd.estimate_gradients_2d_global` will be removed in SciPy 1.16.0, and the `scipy.interpolate.interpnd` namespace will be removed in SciPy 2.0.0.
    gradients = interpolate.interpnd.estimate_gradients_2d_global(

Unfortunately, estimate_gradients_2d_global is not exposed anywhere in SciPy. Its only use is via CloughTocher2DInterpolator.grad, so we use that.

Currently, I see:
```
  /Users/marcellaholm/Work/pipefunc/.venv/lib/python3.13/site-packages/adaptive/learner/learner2D.py:52: DeprecationWarning: `scipy.interpolate.interpnd.estimate_gradients_2d_global` is deprecated along with the `scipy.interpolate.interpnd` namespace. `scipy.interpolate.interpnd.estimate_gradients_2d_global` will be removed in SciPy 1.16.0, and the `scipy.interpolate.interpnd` namespace will be removed in SciPy 2.0.0.
    gradients = interpolate.interpnd.estimate_gradients_2d_global(
```
@basnijholt basnijholt changed the title Prevent SciPy deprecation warning Prevent SciPy deprecation warning for estimate_gradients_2d_global May 13, 2025
@basnijholt basnijholt merged commit 022a257 into python-adaptive:main May 13, 2025
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