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+/********************************************************************
+ * *
+ * 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 https://xiph.org/ *
+ * *
+ ********************************************************************
+
+ function: lookup based functions
+
+ ********************************************************************/
+
+#ifndef _V_LOOKUP_H_
+
+#ifdef FLOAT_LOOKUP
+extern float vorbis_coslook(float a);
+extern float vorbis_invsqlook(float a);
+extern float vorbis_invsq2explook(int a);
+extern float vorbis_fromdBlook(float a);
+#endif
+#ifdef INT_LOOKUP
+extern long vorbis_invsqlook_i(long a,long e);
+extern long vorbis_coslook_i(long a);
+extern float vorbis_fromdBlook_i(long a);
+#endif
+
+#endif