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  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 https://xiph.org/                     *
  10.  *                                                                  *
  11.  ********************************************************************
  12.  
  13.   function: lookup based functions
  14.  
  15.  ********************************************************************/
  16.  
  17. #ifndef _V_LOOKUP_H_
  18.  
  19. #ifdef FLOAT_LOOKUP
  20. extern float vorbis_coslook(float a);
  21. extern float vorbis_invsqlook(float a);
  22. extern float vorbis_invsq2explook(int a);
  23. extern float vorbis_fromdBlook(float a);
  24. #endif
  25. #ifdef INT_LOOKUP
  26. extern long vorbis_invsqlook_i(long a,long e);
  27. extern long vorbis_coslook_i(long a);
  28. extern float vorbis_fromdBlook_i(long a);
  29. #endif
  30.  
  31. #endif
  32.