ref: faa625a1d5ab47ac0438b2cea5b2bde1ea747b8b
dir: /sys/src/cmd/audio/libvorbis/lookup.h/
/******************************************************************** * * * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * * * * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 * * by the Xiph.Org Foundation https://xiph.org/ * * * ******************************************************************** function: lookup based functions ********************************************************************/ #ifndef _V_LOOKUP_H_ #ifdef FLOAT_LOOKUP extern float vorbis_coslook(float a); extern float vorbis_invsqlook(float a); extern float vorbis_invsq2explook(int a); extern float vorbis_fromdBlook(float a); #endif #ifdef INT_LOOKUP extern long vorbis_invsqlook_i(long a,long e); extern long vorbis_coslook_i(long a); extern float vorbis_fromdBlook_i(long a); #endif #endif