initial commit, 4.5 stable

thirdparty/libvorbis/lookup.h

@@ -0,0 +1,31 @@
+/********************************************************************
+ *                                                                  *
+ * 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