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diff --git a/libs/ode-0.16.1/ou/include/ou/flagsdefines.h b/libs/ode-0.16.1/ou/include/ou/flagsdefines.h
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+/*************************************************************************
+ * *
+ * ODER's Utilities Library. Copyright (C) 2008-2019 Oleh Derevenko. *
+ * All rights reserved. e-mail: odar@eleks.com (change all "a" to "e") *
+ * *
+ * This library is free software; you can redistribute it and/or *
+ * modify it under the terms of EITHER: *
+ * (1) The GNU Lesser General Public License as published by the Free *
+ * Software Foundation; either version 3 of the License, or (at *
+ * your option) any later version. The text of the GNU Lesser *
+ * General Public License is included with this library in the *
+ * file LICENSE-LESSER.TXT. Since LGPL is the extension of GPL *
+ * the text of GNU General Public License is also provided for *
+ * your information in file LICENSE.TXT. *
+ * (2) The BSD-style license that is included with this library in *
+ * the file LICENSE-BSD.TXT. *
+ * (3) The zlib/libpng license that is included with this library in *
+ * the file LICENSE-ZLIB.TXT *
+ * *
+ * This library is distributed WITHOUT ANY WARRANTY, including implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
+ * See the files LICENSE.TXT and LICENSE-LESSER.TXT or LICENSE-BSD.TXT *
+ * or LICENSE-ZLIB.TXT for more details. *
+ * *
+ *************************************************************************/
+
+#ifndef __OU_FLAGSDEFINES_H_INCLUDED
+#define __OU_FLAGSDEFINES_H_INCLUDED
+
+
+#define OU_FLAGS_ENUMFLAGS_MASK(Type, StartingFlag, EnumMax) ((Type)((Type)((Type)((Type)(StartingFlag) << ((EnumMax) - 1)) - (Type)(StartingFlag)) | (Type)((Type)(StartingFlag) << ((EnumMax) - 1))))
+#define OU_FLAGS_ENUMFLAGS_START_VALID(Type, StartingFlag, EnumMax) ((Type)((Type)(StartingFlag) << ((EnumMax) - 1)) != 0)
+#define OU_FLAGS_STOREENUM_VALUE_IN_MASK(Type, EnumValue, ValueMask) ((Type)(ValueMask) != 0 && ((Type)(EnumValue) & (Type)(~((Type)(ValueMask)))) == 0)
+#define OU_FLAGS_FLAG_IS_SINGLE(Type, Flag) ((Type)(Flag) != 0 && ((Type)(Flag) & (Type)((Type)(Flag) - (Type)1)) == 0)
+
+
+#endif // #ifndef __OU_FLAGSDEFINES_H_INCLUDED