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diff --git a/libSBRenc/src/sbr_misc.h b/libSBRenc/src/sbr_misc.h
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+/****************************************************************************
+
+                     (C) Copyright Fraunhofer IIS (2004)
+                               All Rights Reserved
+
+    Please be advised that this software and/or program delivery is
+    Confidential Information of Fraunhofer and subject to and covered by the
+
+    Fraunhofer IIS Software Evaluation Agreement
+    between Google Inc. and  Fraunhofer
+    effective and in full force since March 1, 2012.
+
+    You may use this software and/or program only under the terms and
+    conditions described in the above mentioned Fraunhofer IIS Software
+    Evaluation Agreement. Any other and/or further use requires a separate agreement.
+
+
+   This software and/or program is protected by copyright law and international
+   treaties. Any reproduction or distribution of this software and/or program,
+   or any portion of it, may result in severe civil and criminal penalties, and
+   will be prosecuted to the maximum extent possible under law.
+
+ $Id$
+
+*******************************************************************************/
+/*!
+  \file
+  \brief  Sbr miscellaneous helper functions prototypes $Revision: 36847 $
+  \author
+*/
+
+#ifndef _SBR_MISC_H
+#define _SBR_MISC_H
+
+#include "sbr_encoder.h"
+
+/* Sorting routines */
+void FDKsbrEnc_Shellsort_fract (FIXP_DBL *in, INT n);
+void FDKsbrEnc_Shellsort_int   (INT *in, INT n);
+
+void FDKsbrEnc_AddLeft (INT *vector, INT *length_vector, INT value);
+void FDKsbrEnc_AddRight (INT *vector, INT *length_vector, INT value);
+void FDKsbrEnc_AddVecLeft (INT *dst, INT *length_dst, INT *src, INT length_src);
+void FDKsbrEnc_AddVecRight (INT *dst, INT *length_vector_dst, INT *src, INT length_src);
+
+FIXP_DBL FDKsbrEnc_LSI_divide_scale_fract(FIXP_DBL num, FIXP_DBL denom, FIXP_DBL scale);
+
+#endif