Propagate xp through Grid2DIrregular.grid_2d_via_deflection_grid_from#287
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Propagate xp through Grid2DIrregular.grid_2d_via_deflection_grid_from#287
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Previously constructed the new Grid2DIrregular without passing xp, so the resulting grid defaulted to _xp=np even when called on a JAX-backed receiver. Downstream calls to xp.square on the values (which were JAX tracers under JIT) raised TracerArrayConversionError. Pass xp=self._xp so the result inherits the receiver's backend. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This was referenced Apr 18, 2026
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Summary
Grid2DIrregular.grid_2d_via_deflection_grid_frompreviously constructed the result grid without propagatingxp=self._xp, so a JAX-backed receiver produced a numpy-backed result whose values were still JAX tracers. Downstreamself._xp.square(...)then callednp.squareon a tracer and raisedTracerArrayConversionError, blocking JIT of point-source pipelines (see #286).This one-line change passes
xp=self._xpso the new grid inherits the receiver's backend, and adds a unit test covering both the np and jnp round-trips.API Changes
None — internal change only. Public signature unchanged; behaviour is only affected when the receiver's
_xpis not numpy (in which case previously the result silently downgraded to numpy).See full details below.
Test Plan
test__grid_2d_via_deflection_grid_from__propagates_xpcovers numpy + JAX round-tripsTracerArrayConversionErrorbefore, see stacked PR on PyAutoLens)Full API Changes (for automation & release notes)
Removed
None.
Added
None (unit test added, no public API additions).
Renamed
None.
Changed Signature
None.
Changed Behaviour
Grid2DIrregular.grid_2d_via_deflection_grid_from— the returned grid now has_xpmatching the receiver's_xp. Previously always defaulted to numpy, silently downgrading JAX-backed callers.Migration
None — callers that were numpy-backed are unchanged. Callers that were JAX-backed and worked around the downgrade (e.g. by manually re-wrapping the result with
xp=jnp) can drop the workaround.Follows up: #286
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