Fix cg() TypeError with recent CuPy/SciPy: tol renamed to rtol - #25
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boryasbora wants to merge 1 commit into
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Fix cg() TypeError with recent CuPy/SciPy: tol renamed to rtol#25boryasbora wants to merge 1 commit into
boryasbora wants to merge 1 commit into
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boryasbora
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Aug 28, 2026
boryasbora
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- What broke: cg() got an unexpected keyword argument 'tol'
- Why: newer CuPy/SciPy renamed tol → rtol in scipy.sparse.linalg.cg / cupyx.scipy.sparse.linalg.cg
- The fix: rename the kwarg being passed
- Which versions tested against (CuPy 14.2.0, SciPy 1.18.1)
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