1 /******************************************************************** 2 * * 3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * 4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * 5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * 6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * 7 * * 8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 * 9 * by the Xiph.Org Foundation http://www.xiph.org/ * 10 * * 11 ******************************************************************** 12 13 function: lookup based functions 14 last mod: $Id: lookup.h 16227 2009-07-08 06:58:46Z xiphmont $ 15 16 ********************************************************************/ 17 18 #ifndef _V_LOOKUP_H_ 19 20 #ifdef FLOAT_LOOKUP 21 extern float vorbis_coslook(float a); 22 extern float vorbis_invsqlook(float a); 23 extern float vorbis_invsq2explook(int a); 24 extern float vorbis_fromdBlook(float a); 25 #endif 26 #ifdef INT_LOOKUP 27 extern long vorbis_invsqlook_i(long a,long e); 28 extern long vorbis_coslook_i(long a); 29 extern float vorbis_fromdBlook_i(long a); 30 #endif 31 32 #endif 33
