Safeguard against division by zero

2024-03-25 10:44:52 +01:00 · 2024-03-25 10:44:52 +01:00 · de9c1f3dc9
parent 8677a81439
commit de9c1f3dc9
1 changed files with 3 additions and 0 deletions
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/Finite_difference_gradient_3.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/Finite_difference_gradient_3.h
@ -99,6 +99,9 @@ public:

    const FT n = CGAL::approximate_sqrt(CGAL::square(gx) + CGAL::square(gy) + CGAL::square(gz));

+    if(is_zero(n))
+      return vector(0,0,0);
+
    return vector(gx / n, gy / n, gz / n);
  }
 };