Diff: tvmet/CompileTimeError.h

Revision:

15:9c5aaeda36dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tvmet/CompileTimeError.h	Sat Apr 06 20:57:54 2013 +0000
@@ -0,0 +1,60 @@
+/*
+ * Tiny Vector Matrix Library
+ * Dense Vector Matrix Libary of Tiny size using Expression Templates
+ *
+ * Copyright (C) 2001 - 2007 Olaf Petzold <opetzold@users.sourceforge.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * $Id: CompileTimeError.h,v 1.11 2007-06-23 15:58:58 opetzold Exp $
+ */
+
+#ifndef TVMET_COMPILE_TIME_ERROR_H
+#define TVMET_COMPILE_TIME_ERROR_H
+
+namespace tvmet {
+
+/**
+ * \class CompileTimeError CompileTimeError.h "tvmet/CompileTimeError.h"
+ * \brief Compile Time Assertation classes.
+ */
+template<bool> struct CompileTimeError;
+
+/**
+ * \class CompileTimeError<true> CompileTimeError.h "tvmet/CompileTimeError.h"
+ * \brief Specialized Compile Time Assertation for successfully condition.
+ * This results in a compiler pass.
+ */
+template<> struct CompileTimeError<true> { };
+
+
+/**
+ * \def TVMET_CT_CONDITION(XPR, MSG)
+ * \brief Simplify the Compile Time Assertation by using an expression
+ * Xpr and an error message MSG.
+ */
+#define TVMET_CT_CONDITION(XPR, MSG) {                \
+  CompileTimeError<(XPR)> tvmet_ERROR_##MSG;            \
+  (void)tvmet_ERROR_##MSG;                    \
+}
+
+} // namespace tvmet
+
+#endif // TVMET_COMPILE_TIME_ERROR_H
+
+// Local Variables:
+// mode:C++
+// tab-width:8
+// End: