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CVXPY warning/bug #1402

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Merged
j-c-c merged 2 commits into from
Aug 5, 2026
Merged

CVXPY warning/bug #1402

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cbb459e
filter warning triggered by cvxpy
j-c-c Aug 5, 2026
815b5d8
oops, left the second trace outside the filter
j-c-c Aug 5, 2026
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15 changes: 13 additions & 2 deletions src/aspire/abinitio/commonline_sdp.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import logging
import warnings

import cvxpy as cp
import numpy as np
Expand Down Expand Up @@ -142,8 +143,18 @@ def _compute_gram_SDP(self, S, A, b):
G = cp.Variable((n, n), symmetric=True)
# The operator >> denotes matrix inequality.
constraints = [G >> 0]
constraints += [cp.trace(A[i] @ G) == b[i] for i in range(3 * self.n_img)]
prob = cp.Problem(cp.Minimize(cp.trace(-S @ G)), constraints)

# cvxpy.trace uses uninitialized scratch array to infer shapes.
# This can cause a RuntimeWarning, see cvxpy issue #3235.
# This warnings filter can be removed once cvxpy > 1.9.2
with warnings.catch_warnings():
warnings.filterwarnings(
"ignore",
message=r"invalid value encountered in reduce",
category=RuntimeWarning,
)
constraints += [cp.trace(A[i] @ G) == b[i] for i in range(3 * self.n_img)]
prob = cp.Problem(cp.Minimize(cp.trace(-S @ G)), constraints)
prob.solve()

return G.value.astype(self.dtype, copy=False)
Expand Down