-/******************************************************************
- * CopyPolicy: GNU Public License 2 applies
- * Copyright (C) 1998 Monty xiphmont@mit.edu, monty@xiph.org
- *
- * FFT implementation from OggSquish, minus cosine transforms,
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
+ * by the Xiph.Org Foundation http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: *unnormalized* fft transform
+
+ ********************************************************************/
+
+/* FFT implementation from OggSquish, minus cosine transforms,