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diff --git a/thirdparty/includes/GSL/gsl/gsl_inline.h b/thirdparty/includes/GSL/gsl/gsl_inline.h
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+/* gsl_inline.h
+ * 
+ * Copyright (C) 2008, 2009 Brian Gough
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __GSL_INLINE_H__
+#define __GSL_INLINE_H__
+
+/* In recent versiions of GCC, the inline keyword has two different
+   forms: GNU and C99.
+
+   In GNU mode we can use 'extern inline' to make inline functions
+   work like macros.  The function is only inlined--it is never output
+   as a definition in an object file.
+
+   In the new C99 mode 'extern inline' has a different meaning--it
+   causes the definition of the function to be output in each object
+   file where it is used.  This will result in multiple-definition
+   errors on linking.  The 'inline' keyword on its own (without
+   extern) has the same behavior as the original GNU 'extern inline'.
+
+   The C99 style is the default with -std=c99 in GCC 4.3.  
+
+   This header file allows either form of inline to be used by
+   redefining the macros INLINE_DECL and INLINE_FUN.  These are used
+   in the public header files as
+
+        INLINE_DECL double gsl_foo (double x);
+	#ifdef HAVE_INLINE
+	INLINE_FUN double gsl_foo (double x) { return x+1.0; } ;
+        #endif
+   
+*/
+
+#ifdef HAVE_INLINE
+#  if defined(__GNUC_STDC_INLINE__) || defined(GSL_C99_INLINE) || defined(HAVE_C99_INLINE)
+#    define INLINE_DECL inline  /* use C99 inline */
+#    define INLINE_FUN inline
+#  else
+#    define INLINE_DECL         /* use GNU extern inline */
+#    define INLINE_FUN extern inline
+#  endif
+#else
+#  define INLINE_DECL /* */
+#endif
+
+/* Range checking conditions in headers do not require any run-time
+   tests of the global variable gsl_check_range.  They are enabled or
+   disabled in user code at compile time with GSL_RANGE_CHECK macro.
+   See also build.h. */
+#define GSL_RANGE_COND(x) (x)
+
+#endif /* __GSL_INLINE_H__ */