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diff --git a/extern/solid/src/convex/DT_Array.h b/extern/solid/src/convex/DT_Array.h
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+++ b/extern/solid/src/convex/DT_Array.h
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+/*
+ * SOLID - Software Library for Interference Detection
+ * 
+ * Copyright (C) 2001-2003  Dtecta.  All rights reserved.
+ *
+ * This library may be distributed under the terms of the Q Public License
+ * (QPL) as defined by Trolltech AS of Norway and appearing in the file
+ * LICENSE.QPL included in the packaging of this file.
+ *
+ * This library may be distributed and/or modified under the terms of the
+ * GNU General Public License (GPL) version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * This library is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Commercial use or any other use of this library not covered by either 
+ * the QPL or the GPL requires an additional license from Dtecta. 
+ * Please contact info@dtecta.com for enquiries about the terms of commercial
+ * use of this library.
+ */
+
+#ifndef DT_ARRAY_H
+#define DT_ARRAY_H
+
+#include <cassert>
+
+template <typename Data, typename Size = size_t>
+class DT_Array {
+public:
+	DT_Array() 
+      :	m_count(0), 
+		m_data(0) 
+	{}
+
+	explicit DT_Array(Size count)
+	  :	m_count(count),
+		m_data(new Data[count]) 
+	{
+		assert(m_data);
+	}
+	
+	DT_Array(Size count, const Data *data) 
+	  :	m_count(count),
+		m_data(new Data[count]) 
+	{
+		assert(m_data);		
+		std::copy(&data[0], &data[count], m_data);
+	}
+	
+	~DT_Array() 
+	{ 
+		delete [] m_data; 
+	}
+	
+	const Data& operator[](int i) const { return m_data[i]; }
+	Data&       operator[](int i)       { return m_data[i]; }
+
+	Size size() const { return m_count; }
+	
+private:
+	DT_Array(const DT_Array&);
+	DT_Array& operator=(const DT_Array&);
+
+	Size  m_count;
+	Data *m_data;
+};
+  
+#endif
+