contrailcirrus/pycontrails

Support new scipy spline interpolation implementations

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thabbott commented

Description

Scipy 1.13.0 introduced new implementations of tensor-product spline interpolation methods. These might offer performance advantages, but are currently incompatible with PycontrailsRegularGridIInterpolator, which will fall back on legacy scipy implementations. We should

  • Modify PycontrailsRegularGridInterpolator to support new tensor-product spline methods from new versions of scipy
  • Benchmark new and legacy methods within pycontrails to decide which we want to use as default