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-rw-r--r--src/Alpha_complex/include/gudhi/Alpha_complex_3d.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h b/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
index 47407b38..13ebb9c1 100644
--- a/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
+++ b/src/Alpha_complex/include/gudhi/Alpha_complex_3d.h
@@ -1,12 +1,11 @@
-/* This file is part of the Gudhi Library. The Gudhi library
- * (Geometric Understanding in Higher Dimensions) is a generic C++
- * library for computational topology.
- *
+/* This file is part of the Gudhi Library - https://gudhi.inria.fr/ - which is released under MIT.
+ * See file LICENSE or go to https://gudhi.inria.fr/licensing/ for full license details.
* Author(s): Vincent Rouvreau
*
* Copyright (C) 2018 Inria
*
* Modification(s):
+ * - 2019/08 Vincent Rouvreau: Fix issue #10 for CGAL and Eigen3
* - YYYY/MM Author: Description of the modification
*/
@@ -34,7 +33,9 @@
#include <CGAL/Object.h>
#include <CGAL/tuple.h>
#include <CGAL/iterator.h>
-#include <CGAL/version.h>
+#include <CGAL/version.h> // for CGAL_VERSION_NR
+
+#include <Eigen/src/Core/util/Macros.h> // for EIGEN_VERSION_AT_LEAST
#include <boost/container/static_vector.hpp>
@@ -47,11 +48,15 @@
#include <type_traits> // for std::conditional and std::enable_if
#include <limits> // for numeric_limits<>
-#if CGAL_VERSION_NR < 1041101000
// Make compilation fail - required for external projects - https://github.com/GUDHI/gudhi-devel/issues/10
+#if CGAL_VERSION_NR < 1041101000
# error Alpha_complex_3d is only available for CGAL >= 4.11
#endif
+#if !EIGEN_VERSION_AT_LEAST(3,1,0)
+# error Alpha_complex_3d is only available for Eigen3 >= 3.1.0 installed with CGAL
+#endif
+
namespace Gudhi {
namespace alpha_complex {