1 /********************************************************************
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. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 *
9 * by the Xiph.Org Foundation http://www.xiph.org/ *
11 ********************************************************************
13 function: lookup based functions
14 last mod: $Id: lookup.h 16227 2009-07-08 06:58:46Z xiphmont $
16 ********************************************************************/
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);
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);