1 /********************************************************************
3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
5 * THE GNU LESSER/LIBRARY PUBLIC LICENSE, WHICH IS INCLUDED WITH *
6 * THIS SOURCE. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2001 *
9 * by the XIPHOPHORUS Company http://www.xiph.org/ *
11 ********************************************************************
13 function: lookup based functions
14 last mod: $Id: lookup.h,v 1.4 2001/02/02 03:51:56 xiphmont Exp $
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);