1 /********************************************************************
3 * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
5 * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
6 * PLEASE READ THESE TERMS DISTRIBUTING. *
8 * THE OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
9 * by Monty <monty@xiph.org> and The XIPHOPHORUS Company *
10 * http://www.xiph.org/ *
12 ********************************************************************
14 function: lookup based functions
15 last mod: $Id: lookup.h,v 1.2 2000/10/12 03:12:53 xiphmont Exp $
17 ********************************************************************/
22 extern float vorbis_coslook(float a);
23 extern float vorbis_invsqlook(float a);
24 extern float vorbis_invsq2explook(int a);
25 extern float vorbis_fromdBlook(float a);
28 extern long vorbis_invsqlook_i(long a,long e);
29 extern long vorbis_coslook_i(long a);
30 extern float vorbis_fromdBlook_i(long a);