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test: FitInterferometer parity on the matrix-free interferometer route (PyAutoArray#657) - #670
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Covers PyAutoArray#657 (phase 5a of #638) from the fit side: a rectangular MaternSparse FitInterferometer with Settings(interferometer_route="matrix_free") matches the FFT sparse route (reconstruction to 1e-6 of max, evidence within the SLQ tolerance), positive-only parity, the unsupported configurations raise, and the interferometer visualizer runs on the route with the noise-map column written as nan. No source change: the fit reaches the route through Settings alone. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
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Summary
Companion to PyAutoLabs/PyAutoArray#658 (the matrix-free route PR for PyAutoArray#657, phase 5a of PyAutoArray#638). Tests only:
FitInterferometerreachesInversionInterferometerMatrixFreethroughSettings(interferometer_route="matrix_free")with no PyAutoGalaxy source change, and nothing in the fit, visualizer or output path reads a dense inversion attribute on that route.Stacked: CI is red until the PyAutoArray PR merges (the new route does not exist on PyAutoArray main). Merge after it, library-first.
API Changes
None — tests only.
Test Plan
test_fit_interferometer.py: matrix-free vs FFT route on a 6×6RectangularUniform+MaternSparsefit, with and without an ordinary Sersic, coefficients 1.0 and 0.01 — reconstruction ~1.2e-11 relative, chi-squared / regularization term /ln det H≤ 1e-11,log_evidenceandfigure_of_meritwithin the SLQ tolerance (0.09–0.14 nats used of 0.55),model_data/residual_map~2e-11; positive-only parity on a 10×10 mesh with the same zero pattern; a linear light profile and the edge-zeroing combination raiseInversionException.model/test_plotter_interferometer.py: the interferometer visualizer runs on a matrix-free fit; dataset / fit / galaxies / inversion / real-space PNGs and FITS written;source_plane_reconstruction_0.csvcarries anannoise-map column.test_autogalaxy/interferometer: 90 passed (82 before).Heart RED override (development only)
Heart RED at launch and ship; live human authorized the override for this task on 2026-10-26. Exact RED reasons: release validation FAILED (stage integrate); PyAutoHeart/workflows/Release Integrate: failure; PyAutoHeart/workflows/Workspace Smoke: failure; manifest_drift/checks/workspace checkouts (manifest ↔ disk): red; Release readiness: release validation FAILED (stage integrate); autolens: red; Workspace validation: NOT ready — 1429p / 1f / 125s @ cloud#40294511523; test_run: red; Release validation: NOT release_ready — v? profile=? (2026-10-26T07:48:52+00:00); validation_report/stages/integrate: fail; PyAutoBrain: red; PyAutoLens: red; autolens_profiling: red; Worktree drift: 1 orphan / 0 missing / 3 dirty. Branch gates passed: interferometer + analysis + to_inversion tests, black. No release; merge needs its own human
/prmafter the PyAutoArray PR.Full API Changes (for automation & release notes)
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