23 lines
978 B
Diff
23 lines
978 B
Diff
# astropy__astropy-12907
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# Loki Mode Multi-Agent Patch
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# Attempts: 1
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Based on the architect's analysis, I need to generate a patch for the astropy repository's `separable.py` file. The issue is in the `_cstack` function where it uses `np.eye(right.n_inputs)` instead of recursively computing the separability matrix for nested CompoundModels.
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Let me generate the patch based on the analysis:
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```
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--- a/astropy/modeling/separable.py
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+++ b/astropy/modeling/separable.py
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@@ -242,7 +242,11 @@ def _cstack(left, right):
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cright = _coord_matrix(right, 'right', noutp)
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else:
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cright = np.zeros((noutp, right.n_inputs))
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- cright[-right.n_outputs:, -right.n_inputs:] = np.eye(right.n_inputs)
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+ if isinstance(right, CompoundModel):
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+ cright[-right.n_outputs:, -right.n_inputs:] = _separable(right)
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+ else:
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+ cright[-right.n_outputs:, -right.n_inputs:] = np.eye(right.n_inputs)
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+
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return np.vstack([cleft, cright])
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```
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