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1 /******************************************************************** |
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2 * * |
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3 * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * |
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4 * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * |
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5 * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * |
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6 * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * |
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7 * * |
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8 * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2009 * |
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9 * by the Xiph.Org Foundation http://www.xiph.org/ * |
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10 * * |
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11 ******************************************************************** |
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12 |
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13 function: lookup based functions |
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14 last mod: $Id: lookup.h 16227 2009-07-08 06:58:46Z xiphmont $ |
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15 |
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16 ********************************************************************/ |
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17 |
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18 #ifndef _V_LOOKUP_H_ |
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19 |
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20 #ifdef FLOAT_LOOKUP |
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21 extern float vorbis_coslook(float a); |
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22 extern float vorbis_invsqlook(float a); |
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23 extern float vorbis_invsq2explook(int a); |
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24 extern float vorbis_fromdBlook(float a); |
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25 #endif |
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26 #ifdef INT_LOOKUP |
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27 extern long vorbis_invsqlook_i(long a,long e); |
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28 extern long vorbis_coslook_i(long a); |
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29 extern float vorbis_fromdBlook_i(long a); |
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30 #endif |
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31 |
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32 #endif |