comparison armadillo-2.4.4/include/armadillo_bits/arma_static_check.hpp @ 0:8b6102e2a9b0

Armadillo Library

+// Copyright (C) 2008-2011 NICTA (www.nicta.com.au)
+// Copyright (C) 2008-2011 Conrad Sanderson
+// 
+// This file is part of the Armadillo C++ library.
+// It is provided without any warranty of fitness
+// for any purpose. You can redistribute this file
+// and/or modify it under the terms of the GNU
+// Lesser General Public License (LGPL) as published
+// by the Free Software Foundation, either version 3
+// of the License or (at your option) any later version.
+// (see http://www.opensource.org/licenses for more info)
+
+
+//! \addtogroup arma_static_check
+//! @{
+
+
+
+template<bool ERROR___INCORRECT_OR_UNSUPPORTED_TYPE>
+struct arma_type_check_cxx1998
+  {
+  arma_inline
+  static
+  void
+  apply()
+    {
+    static const char
+    junk[ ERROR___INCORRECT_OR_UNSUPPORTED_TYPE ? -1 : +1 ];
+    }
+  };
+
+
+
+template<>
+struct arma_type_check_cxx1998<false>
+  {
+  arma_inline
+  static
+  void
+  apply()
+    {
+    }
+  };
+
+
+
+#if !defined(ARMA_USE_CXX11)
+
+  #define arma_static_check(condition, message)  static const char message[ (condition) ? -1 : +1 ]
+  
+  #define arma_type_check(condition)  arma_type_check_cxx1998<condition>::apply()
+
+#else
+
+  #define arma_static_check(condition, message)  static_assert( !(condition), #message )
+  
+  #define arma_type_check(condition)  static_assert( !(condition), "error: incorrect or unsupported type" )
+
+#endif
+
+
+
+//! @}