Added thirdparty: boost library

thirdparty/include/boost/geometry/policies/is_valid/default_policy.hpp

@@ -0,0 +1,59 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2015, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+
+// Licensed under the Boost Software License version 1.0.
+// http://www.boost.org/users/license.html
+
+#ifndef BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP
+#define BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP
+
+#include <boost/geometry/algorithms/validity_failure_type.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+template <bool AllowDuplicates = true, bool AllowSpikes = true>
+class is_valid_default_policy
+{
+protected:
+    static inline bool is_valid(validity_failure_type failure)
+    {
+        return failure == no_failure
+            || (AllowDuplicates && failure == failure_duplicate_points);
+    }
+
+    static inline bool is_valid(validity_failure_type failure, bool is_linear)
+    {
+        return is_valid(failure)
+            || (is_linear && AllowSpikes && failure == failure_spikes);
+    }
+
+public:
+    template <validity_failure_type Failure>
+    static inline bool apply()
+    {
+        return is_valid(Failure);
+    }
+
+    template <validity_failure_type Failure, typename Data>
+    static inline bool apply(Data const&)
+    {
+        return is_valid(Failure);
+    }
+
+    template <validity_failure_type Failure, typename Data1, typename Data2>
+    static inline bool apply(Data1 const& data1, Data2 const&)
+    {
+        return is_valid(Failure, data1);
+    }
+};
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_POLICIES_IS_VALID_DEFAULT_POLICY_HPP