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bug-fix of case "230 with bbox"

This commit is contained in:
Laurent Rineau 2023-06-12 18:06:40 +02:00
parent 5048eb960d
commit 67b2d1c770
1 changed files with 4 additions and 1 deletions
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5
Triangulation_3/include/CGAL/Triangulation_3/internal/Triangulation_segment_traverser_3_impl.h
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@ -342,7 +342,10 @@ Triangulation_segment_cell_iterator_3<Tr,Inc>::walk_to_next_3(const Simplex& pre
int inside=0,outside=0,regular_case=0,degenerate=0;
if (cur.lt == Tr::FACET) {
if (cur.lt == Tr::FACET && prev.cell != Cell_handle()) {
// [source, target] entered the cell `cur` via a facet.
// Note that, if prev.cell == Cell_handle(), that means `source` is *on*
// the facet, and the block of this `if` cannot be applied.
Simplex prev_after_walk;
Simplex cur_after_walk;