Merge remote-tracking branch 'cgal/5.6.x-branch' into cgal/6.0.x-branch

CGAL · Mar 7, 2025 · fd9068d · fd9068d
2 parents 82aa7d0 + 4f2f518
commit fd9068d
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diff --git a/Algebraic_foundations/include/CGAL/number_utils.h b/Algebraic_foundations/include/CGAL/number_utils.h
@@ -21,6 +21,7 @@
 #include <CGAL/Algebraic_structure_traits.h>
 #include <CGAL/Real_embeddable_traits.h>
 #include <CGAL/Kernel/Same_uncertainty.h>
+#include <boost/mpl/if.hpp>
 
 namespace CGAL {
 CGAL_NTS_BEGIN_NAMESPACE

diff --git a/Alpha_shapes_2/include/CGAL/Alpha_shape_2.h b/Alpha_shapes_2/include/CGAL/Alpha_shape_2.h
@@ -1442,7 +1442,7 @@ Alpha_shape_2<Dt,EACT>::find_alpha_solid() const
   // takes O(#alpha_shape) time
   Type_of_alpha alpha_solid = 0;
 
-  if (number_of_vertices()<3) return alpha_solid;
+  if (dimension()!=2) return alpha_solid;
 
   Finite_vertices_iterator vertex_it;
   // only finite vertices