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remove a possible filter failure, when the target is a vertex

This commit is contained in:
Laurent Rineau 2024-04-24 12:05:01 +02:00
parent 90b2aa5d8f
commit 48eaf9c3f4
1 changed files with 8 additions and 2 deletions
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10
Triangulation_3/include/CGAL/Triangulation_3/internal/Triangulation_segment_traverser_3_impl.h
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@ -505,9 +505,15 @@ Triangulation_segment_cell_iterator_3<Tr,Inc>::walk_to_next_3(const Simplex& pre
continue;
}
const Point* const backup_vert_li = std::exchange(vert[li], &_target);
bool op_li_is_null = false;
if(_t_vertex != Vertex_handle()) {
for(int i = 0; i < 4; ++i) {
if(li == i) continue;
if(cur_cell->vertex(i) == _t_vertex) op_li_is_null = true;
}
}
// Check if the target is on the opposite side of the supporting plane.
op[li] = _tr->orientation(*vert[0], *vert[1], *vert[2], *vert[3]);
op[li] = op_li_is_null ? ZERO : _tr->orientation(*vert[0], *vert[1], *vert[2], *vert[3]);
if(op[li] == POSITIVE)
pos += li;
if(op[li] != NEGATIVE) {