this file contains a functor checking if the number type used is exact

Segment_Delaunay_graph_2/include/CGAL/Segment_Delaunay_graph_2/Check_exact.h

@@ -0,0 +1,40 @@
+#ifndef CGAL_SEGMENT_DELAUNAY_GRAPH_2_CHECK_EXACT
+#define CGAL_SEGMENT_DELAUNAY_GRAPH_2_CHECK_EXACT 1
+
+#include <CGAL/basic.h>
+
+CGAL_BEGIN_NAMESPACE
+
+CGAL_SEGMENT_DELAUNAY_GRAPH_2_BEGIN_NAMESPACE
+
+#ifdef CGAL_PROFILE
+
+template<typename T>
+struct Check_exact {
+  bool operator()() const { return true; }
+};
+
+template<>
+struct Check_exact<double> {
+  bool operator()() const { return false; }
+};
+
+template<>
+struct Check_exact<float> {
+  bool operator()() const { return false; }
+};
+
+template<bool b>
+struct Check_exact< Interval_nt<b> > {
+  bool operator()() const { return false; }
+};
+
+#endif
+
+
+CGAL_SEGMENT_DELAUNAY_GRAPH_2_END_NAMESPACE
+
+CGAL_END_NAMESPACE
+
+
+#endif // CGAL_SEGMENT_DELAUNAY_GRAPH_2_CHECK_EXACT