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- """Compatibility helpers for dependencies."""
- from packaging.version import parse
- import numpy as np
- import scipy as sp
- __all__ = [
- "NP_COPY_IF_NEEDED",
- "SCIPY_CG_TOL_PARAM_NAME",
- ]
- NUMPY_LT_2_0_0 = parse(np.__version__) < parse('2.0.0.dev0')
- # With NumPy 2.0.0, `copy=False` now raises a ValueError if the copy cannot be
- # made. The previous behavior to only copy if needed is provided with `copy=None`.
- # During the transition period, use this symbol instead.
- # Remove once NumPy 2.0.0 is the minimal required version.
- # https://numpy.org/devdocs/release/2.0.0-notes.html#new-copy-keyword-meaning-for-array-and-asarray-constructors
- # https://github.com/numpy/numpy/pull/25168
- NP_COPY_IF_NEEDED = False if NUMPY_LT_2_0_0 else None
- SCIPY_LT_1_12 = parse(sp.__version__) < parse('1.12')
- # Starting in SciPy v1.12, 'scipy.sparse.linalg.cg' keyword argument `tol` is
- # deprecated in favor of `rtol`.
- SCIPY_CG_TOL_PARAM_NAME = "tol" if SCIPY_LT_1_12 else "rtol"
- SCIPY_GE_1_17_0_DEV0 = parse('1.17.0.dev0') <= parse(sp.__version__)
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