mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-13 10:57:49 +00:00
Thomas Krijnen
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From a86712d1aae9a1a6d2004db3fc8fcdac6ef6b782 Mon Sep 17 00:00:00 2001
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From: Thomas Krijnen <t.krijnen@gmail.com>
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Date: Sun, 7 Jun 2020 15:25:18 +0200
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Subject: [PATCH] Don't segfault on empty Nef_nary_x
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---
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Nef_3/include/CGAL/Nef_nary_intersection_3.h | 3 ++-
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Nef_3/include/CGAL/Nef_nary_union_3.h | 3 ++-
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2 files changed, 4 insertions(+), 2 deletions(-)
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diff --git a/Nef_3/include/CGAL/Nef_nary_intersection_3.h b/Nef_3/include/CGAL/Nef_nary_intersection_3.h
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index 70fc5791fae..5178705dc2f 100644
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--- a/Nef_3/include/CGAL/Nef_nary_intersection_3.h
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+++ b/Nef_3/include/CGAL/Nef_nary_intersection_3.h
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@@ -52,7 +52,8 @@ class Nef_nary_intersection_3 {
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}
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Polyhedron get_intersection() {
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-
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+ if (queue.empty())
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+ return empty;
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while(queue.size() > 1)
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intersect();
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inserted = 0;
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diff --git a/Nef_3/include/CGAL/Nef_nary_union_3.h b/Nef_3/include/CGAL/Nef_nary_union_3.h
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index ecbbae2db59..c8663bb911b 100644
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--- a/Nef_3/include/CGAL/Nef_nary_union_3.h
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+++ b/Nef_3/include/CGAL/Nef_nary_union_3.h
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@@ -52,7 +52,8 @@ class Nef_nary_union_3 {
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}
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Polyhedron get_union() {
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-
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+ if (queue.empty())
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+ return empty;
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while(queue.size() > 1)
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unite();
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inserted = 0;
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