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Feat: added CuPy support to LinearOperator.eigs and LinearOperator.cond - #816
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| Metric | Results |
|---|---|
| Complexity | 9 |
| Duplication | 0 |
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mrava87
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mrava87
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October 11, 2026 17:44
cako
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Oct 14, 2026
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This PR adds support for CuPy in
LinearOperator.eigsandLinearOperator.cond.However, since not all methods in scipy are not available in cupy (eg
scipy.sparse.linalg.eigs), and some input parameters are missing or have missing options (egSMincupyx.scipy.sparse.linalg.eigsh), a number of checks and error raises are required.Moreover, some cupyx eigenvalue solvers seem to require
self.ndimthat scipy/cupy.LinearOperator define asself.ndim = len(self.shape)(note that the equivalent scipy eigenvalue solvers don't...). To accommodate for it, every operator that usedself.ndiminternally (eg FFT) is now modified to useself.ndimssoself.ndimcan be defined for the baseclass pylops.LinearOperator too and made available to all operators.