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difftest: topology.brep_p9 owns imported geometry under the keys it queries with #649

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Merged
bherbruck merged 2 commits into from
Oct 23, 2026
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difftest: topology.brep_p9 owns imported geometry under the keys it queries with #649

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claim: topology.brep_p9 import owners
erlis Oct 23, 2026
57473d1
difftest: topology.brep_p9 owns imported geometry under the keys it q…
erlis Oct 23, 2026
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8 changes: 8 additions & 0 deletions crates/difftest/src/units/topology_brep_p9.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -152,6 +152,14 @@ fn rust(i: &Inputs, initial: &[f64]) -> Result<Output, HarnessError> {
.get(2..)
.ok_or_else(|| error("missing initial export"))?,
)?;
// As the native B-rep: each edge owns its curve and each face its surface, under the
// arena keys op 0's `BrepQuery::default()` names them by (the import leaves curves
// unowned and owns face f's surface as `1 + f`), and a face-owned surface carries the
// face's tolerance. Without it the B-rep cache trees hold no edges or faces.
crate::util::own_arena_geometry(&mut b);
for f in b.faces().ids().collect::<Vec<_>>() {
b.sync_face_surface_tolerance(f).map_err(|e| error(&e))?;
}
// As the shim, after setup and export: `b->m_bEditingEnabled = editing`.
b.set_editing_enabled(i.editing);
let mut k = Kernel::default();
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