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lookup_data.h
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1 /********************************************************************
2  * *
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. *
7  * *
8  * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
9  * by the XIPHOPHORUS Company http://www.xiph.org/ *
10  * *
11  ********************************************************************
12 
13  function: lookup data; generated by lookups.pl; edit there
14  last mod: $Id: lookup_data.h,v 1.10 2003/01/18 08:09:28 msmith Exp $
15 
16  ********************************************************************/
17 
18 #ifndef _V_LOOKUP_DATA_H_
19 
20 #ifdef FLOAT_LOOKUP
21 #define COS_LOOKUP_SZ 128
22 static float COS_LOOKUP[COS_LOOKUP_SZ+1]={
23  +1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
24  +0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
25  +0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
26  +0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
27  +0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
28  +0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
29  +0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
30  +0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
31  +0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
32  +0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
33  +0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
34  +0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
35  +0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
36  +0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
37  +0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
38  +0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
39  +0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
40  -0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
41  -0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
42  -0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
43  -0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
44  -0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
45  -0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
46  -0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
47  -0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
48  -0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
49  -0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
50  -0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
51  -0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
52  -0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
53  -0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
54  -0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
55  -1.0000000000000f,
56 };
57 
58 #define INVSQ_LOOKUP_SZ 32
59 static float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
60  1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
61  1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
62  1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
63  1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
64  1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
65  1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
66  1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
67  1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
68  1.000000000000f,
69 };
70 
71 #define INVSQ2EXP_LOOKUP_MIN (-32)
72 #define INVSQ2EXP_LOOKUP_MAX 32
73 static float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
74  INVSQ2EXP_LOOKUP_MIN+1]={
75  65536.f, 46340.95001f, 32768.f, 23170.47501f,
76  16384.f, 11585.2375f, 8192.f, 5792.618751f,
77  4096.f, 2896.309376f, 2048.f, 1448.154688f,
78  1024.f, 724.0773439f, 512.f, 362.038672f,
79  256.f, 181.019336f, 128.f, 90.50966799f,
80  64.f, 45.254834f, 32.f, 22.627417f,
81  16.f, 11.3137085f, 8.f, 5.656854249f,
82  4.f, 2.828427125f, 2.f, 1.414213562f,
83  1.f, 0.7071067812f, 0.5f, 0.3535533906f,
84  0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
85  0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
86  0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
87  0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
88  0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
89  0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
90  6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
91  1.525878906e-05f,
92 };
93 
94 #endif
95 
96 #define FROMdB_LOOKUP_SZ 35
97 #define FROMdB2_LOOKUP_SZ 32
98 #define FROMdB_SHIFT 5
99 #define FROMdB2_SHIFT 3
100 #define FROMdB2_MASK 31
101 static float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
102  1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
103  0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
104  0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
105  0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
106  0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
107  0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
108  1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
109  2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
110  3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
111 };
112 
113 static float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
114  0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
115  0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
116  0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
117  0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
118  0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
119  0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
120  0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
121  0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
122 };
123 
124 #ifdef INT_LOOKUP
125 
126 #define INVSQ_LOOKUP_I_SHIFT 10
127 #define INVSQ_LOOKUP_I_MASK 1023
128 static long INVSQ_LOOKUP_I[64+1]={
129  92682l, 91966l, 91267l, 90583l,
130  89915l, 89261l, 88621l, 87995l,
131  87381l, 86781l, 86192l, 85616l,
132  85051l, 84497l, 83953l, 83420l,
133  82897l, 82384l, 81880l, 81385l,
134  80899l, 80422l, 79953l, 79492l,
135  79039l, 78594l, 78156l, 77726l,
136  77302l, 76885l, 76475l, 76072l,
137  75674l, 75283l, 74898l, 74519l,
138  74146l, 73778l, 73415l, 73058l,
139  72706l, 72359l, 72016l, 71679l,
140  71347l, 71019l, 70695l, 70376l,
141  70061l, 69750l, 69444l, 69141l,
142  68842l, 68548l, 68256l, 67969l,
143  67685l, 67405l, 67128l, 66855l,
144  66585l, 66318l, 66054l, 65794l,
145  65536l,
146 };
147 
148 #define COS_LOOKUP_I_SHIFT 9
149 #define COS_LOOKUP_I_MASK 511
150 #define COS_LOOKUP_I_SZ 128
151 static long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
152  16384l, 16379l, 16364l, 16340l,
153  16305l, 16261l, 16207l, 16143l,
154  16069l, 15986l, 15893l, 15791l,
155  15679l, 15557l, 15426l, 15286l,
156  15137l, 14978l, 14811l, 14635l,
157  14449l, 14256l, 14053l, 13842l,
158  13623l, 13395l, 13160l, 12916l,
159  12665l, 12406l, 12140l, 11866l,
160  11585l, 11297l, 11003l, 10702l,
161  10394l, 10080l, 9760l, 9434l,
162  9102l, 8765l, 8423l, 8076l,
163  7723l, 7366l, 7005l, 6639l,
164  6270l, 5897l, 5520l, 5139l,
165  4756l, 4370l, 3981l, 3590l,
166  3196l, 2801l, 2404l, 2006l,
167  1606l, 1205l, 804l, 402l,
168  0l, -401l, -803l, -1204l,
169  -1605l, -2005l, -2403l, -2800l,
170  -3195l, -3589l, -3980l, -4369l,
171  -4755l, -5138l, -5519l, -5896l,
172  -6269l, -6638l, -7004l, -7365l,
173  -7722l, -8075l, -8422l, -8764l,
174  -9101l, -9433l, -9759l, -10079l,
175  -10393l, -10701l, -11002l, -11296l,
176  -11584l, -11865l, -12139l, -12405l,
177  -12664l, -12915l, -13159l, -13394l,
178  -13622l, -13841l, -14052l, -14255l,
179  -14448l, -14634l, -14810l, -14977l,
180  -15136l, -15285l, -15425l, -15556l,
181  -15678l, -15790l, -15892l, -15985l,
182  -16068l, -16142l, -16206l, -16260l,
183  -16304l, -16339l, -16363l, -16378l,
184  -16383l,
185 };
186 
187 #endif
188 
189 #endif
#define FROMdB2_LOOKUP_SZ
Definition: lookup_data.h:97
list l
Definition: prepare.py:17
tuple f
Definition: idal.py:89
#define FROMdB_LOOKUP_SZ
Definition: lookup_data.h:96