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Fix thread-safety bug for user-defined epsilon in meepgeom.cpp #3208

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Merged
stevengj merged 1 commit into from
Apr 27, 2026
Merged

Fix thread-safety bug for user-defined epsilon in meepgeom.cpp #3208

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3 changes: 2 additions & 1 deletion src/meepgeom.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -658,7 +658,8 @@ geom_epsilon::geom_epsilon(geometric_object_list g, material_type_list mlist,
int length = g.num_items;
geometry.num_items = length;
geometry.items = new geometric_object[length];
has_user_materials = false;
has_user_materials = default_material && ((material_type)default_material)->which_subclass ==
material_data::MATERIAL_USER;
for (int i = 0; i < length; i++) {
geometric_object_copy(&g.items[i], &geometry.items[i]);
geometry.items[i].material = new material_data();
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