From ceded5c3efba1f00eb94aa855eaf9fb524548f89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Loriot?= <sebastien.loriot@cgal.org>
Date: Mon, 17 Jul 2023 10:13:00 +0200
Subject: [PATCH] one more specialization + fix invalid usage

---
 .../Intersections_2/test_intersections_2.cpp  |  4 +--
 .../internal/Exact_type_selector.h            | 31 ++++++++++---------
 2 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/Intersections_2/test/Intersections_2/test_intersections_2.cpp b/Intersections_2/test/Intersections_2/test_intersections_2.cpp
index 5c15555404a..dad2d129c15 100644
--- a/Intersections_2/test/Intersections_2/test_intersections_2.cpp
+++ b/Intersections_2/test/Intersections_2/test_intersections_2.cpp
@@ -924,9 +924,9 @@ int main()
 {
   CGAL::Set_ieee_double_precision pfr;
 
-  Test< CGAL::Simple_cartesian<CGAL::internal::Exact_field_selector<void*>::Type > >().run();
+  Test< CGAL::Simple_cartesian<CGAL::internal::Exact_field_selector<double>::Type > >().run();
   Test< CGAL::Cartesian<double>   >().run();
-  Test< CGAL::Homogeneous<CGAL::internal::Exact_field_selector<void*>::Type > >().run();
+  Test< CGAL::Homogeneous<CGAL::internal::Exact_field_selector<double>::Type > >().run();
   Test< CGAL::Exact_predicates_inexact_constructions_kernel >().run();
   Test< CGAL::Exact_predicates_exact_constructions_kernel >().run();
 }
diff --git a/Number_types/include/CGAL/Number_types/internal/Exact_type_selector.h b/Number_types/include/CGAL/Number_types/internal/Exact_type_selector.h
index b84faead6d8..4ba51139e9d 100644
--- a/Number_types/include/CGAL/Number_types/internal/Exact_type_selector.h
+++ b/Number_types/include/CGAL/Number_types/internal/Exact_type_selector.h
@@ -162,23 +162,22 @@ struct Exact_field_selector;
 template < typename >
 struct Exact_ring_selector;
 
-template <>
-struct Exact_ring_selector<double>
-{
-  using Type = typename Exact_NT_backend<Default_exact_nt_backend>::Ring_for_float;
+#define CGAL_EXACT_SELECTORS_SPECS(X) \
+template <> \
+struct Exact_ring_selector<X> \
+{ \
+  using Type = typename Exact_NT_backend<Default_exact_nt_backend>::Ring_for_float; \
+}; \
+\
+template <> \
+struct Exact_field_selector<X> \
+{ \
+  using Type = typename Exact_NT_backend<Default_exact_nt_backend>::Rational; \
 };
 
-template <>
-struct Exact_field_selector<double>
-{
-  using Type = typename Exact_NT_backend<Default_exact_nt_backend>::Rational;
-};
-
-template <>
-struct Exact_ring_selector<float> : Exact_ring_selector<double> { };
-
-template <>
-struct Exact_field_selector<float> : Exact_field_selector<double> { };
+CGAL_EXACT_SELECTORS_SPECS(double)
+CGAL_EXACT_SELECTORS_SPECS(float)
+CGAL_EXACT_SELECTORS_SPECS(int)
 
 template <>
 struct Exact_field_selector<MP_Float>
@@ -330,4 +329,6 @@ struct Exact_type_selector : Exact_field_selector< ET > {};
 
 } } // namespace CGAL::internal
 
+#undef CGAL_EXACT_SELECTORS_SPECS
+
 #endif // CGAL_INTERNAL_EXACT_TYPE_SELECTOR_H