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 1994-2007 *
9 * by the Xiph.Org Foundation https://xiph.org/ *
10 * *
11 ********************************************************************
12
13 function: lookup data; generated by lookups.pl; edit there
14
15 ********************************************************************/
16
17#ifndef _V_LOOKUP_DATA_H_
18
19#ifdef FLOAT_LOOKUP
20#define COS_LOOKUP_SZ 128
21static const float COS_LOOKUP[COS_LOOKUP_SZ+1]={
22 +1.0000000000000f,+0.9996988186962f,+0.9987954562052f,+0.9972904566787f,
23 +0.9951847266722f,+0.9924795345987f,+0.9891765099648f,+0.9852776423889f,
24 +0.9807852804032f,+0.9757021300385f,+0.9700312531945f,+0.9637760657954f,
25 +0.9569403357322f,+0.9495281805930f,+0.9415440651830f,+0.9329927988347f,
26 +0.9238795325113f,+0.9142097557035f,+0.9039892931234f,+0.8932243011955f,
27 +0.8819212643484f,+0.8700869911087f,+0.8577286100003f,+0.8448535652497f,
28 +0.8314696123025f,+0.8175848131516f,+0.8032075314806f,+0.7883464276266f,
29 +0.7730104533627f,+0.7572088465065f,+0.7409511253550f,+0.7242470829515f,
30 +0.7071067811865f,+0.6895405447371f,+0.6715589548470f,+0.6531728429538f,
31 +0.6343932841636f,+0.6152315905806f,+0.5956993044924f,+0.5758081914178f,
32 +0.5555702330196f,+0.5349976198871f,+0.5141027441932f,+0.4928981922298f,
33 +0.4713967368260f,+0.4496113296546f,+0.4275550934303f,+0.4052413140050f,
34 +0.3826834323651f,+0.3598950365350f,+0.3368898533922f,+0.3136817403989f,
35 +0.2902846772545f,+0.2667127574749f,+0.2429801799033f,+0.2191012401569f,
36 +0.1950903220161f,+0.1709618887603f,+0.1467304744554f,+0.1224106751992f,
37 +0.0980171403296f,+0.0735645635997f,+0.0490676743274f,+0.0245412285229f,
38 +0.0000000000000f,-0.0245412285229f,-0.0490676743274f,-0.0735645635997f,
39 -0.0980171403296f,-0.1224106751992f,-0.1467304744554f,-0.1709618887603f,
40 -0.1950903220161f,-0.2191012401569f,-0.2429801799033f,-0.2667127574749f,
41 -0.2902846772545f,-0.3136817403989f,-0.3368898533922f,-0.3598950365350f,
42 -0.3826834323651f,-0.4052413140050f,-0.4275550934303f,-0.4496113296546f,
43 -0.4713967368260f,-0.4928981922298f,-0.5141027441932f,-0.5349976198871f,
44 -0.5555702330196f,-0.5758081914178f,-0.5956993044924f,-0.6152315905806f,
45 -0.6343932841636f,-0.6531728429538f,-0.6715589548470f,-0.6895405447371f,
46 -0.7071067811865f,-0.7242470829515f,-0.7409511253550f,-0.7572088465065f,
47 -0.7730104533627f,-0.7883464276266f,-0.8032075314806f,-0.8175848131516f,
48 -0.8314696123025f,-0.8448535652497f,-0.8577286100003f,-0.8700869911087f,
49 -0.8819212643484f,-0.8932243011955f,-0.9039892931234f,-0.9142097557035f,
50 -0.9238795325113f,-0.9329927988347f,-0.9415440651830f,-0.9495281805930f,
51 -0.9569403357322f,-0.9637760657954f,-0.9700312531945f,-0.9757021300385f,
52 -0.9807852804032f,-0.9852776423889f,-0.9891765099648f,-0.9924795345987f,
53 -0.9951847266722f,-0.9972904566787f,-0.9987954562052f,-0.9996988186962f,
54 -1.0000000000000f,
55};
56
57#define INVSQ_LOOKUP_SZ 32
58static const float INVSQ_LOOKUP[INVSQ_LOOKUP_SZ+1]={
59 1.414213562373f,1.392621247646f,1.371988681140f,1.352246807566f,
60 1.333333333333f,1.315191898443f,1.297771369046f,1.281025230441f,
61 1.264911064067f,1.249390095109f,1.234426799697f,1.219988562661f,
62 1.206045378311f,1.192569588000f,1.179535649239f,1.166919931983f,
63 1.154700538379f,1.142857142857f,1.131370849898f,1.120224067222f,
64 1.109400392450f,1.098884511590f,1.088662107904f,1.078719779941f,
65 1.069044967650f,1.059625885652f,1.050451462878f,1.041511287847f,
66 1.032795558989f,1.024295039463f,1.016001016002f,1.007905261358f,
67 1.000000000000f,
68};
69
70#define INVSQ2EXP_LOOKUP_MIN (-32)
71#define INVSQ2EXP_LOOKUP_MAX 32
72static const float INVSQ2EXP_LOOKUP[INVSQ2EXP_LOOKUP_MAX-\
73 INVSQ2EXP_LOOKUP_MIN+1]={
74 65536.f, 46340.95001f, 32768.f, 23170.47501f,
75 16384.f, 11585.2375f, 8192.f, 5792.618751f,
76 4096.f, 2896.309376f, 2048.f, 1448.154688f,
77 1024.f, 724.0773439f, 512.f, 362.038672f,
78 256.f, 181.019336f, 128.f, 90.50966799f,
79 64.f, 45.254834f, 32.f, 22.627417f,
80 16.f, 11.3137085f, 8.f, 5.656854249f,
81 4.f, 2.828427125f, 2.f, 1.414213562f,
82 1.f, 0.7071067812f, 0.5f, 0.3535533906f,
83 0.25f, 0.1767766953f, 0.125f, 0.08838834765f,
84 0.0625f, 0.04419417382f, 0.03125f, 0.02209708691f,
85 0.015625f, 0.01104854346f, 0.0078125f, 0.005524271728f,
86 0.00390625f, 0.002762135864f, 0.001953125f, 0.001381067932f,
87 0.0009765625f, 0.000690533966f, 0.00048828125f, 0.000345266983f,
88 0.000244140625f,0.0001726334915f,0.0001220703125f,8.631674575e-05f,
89 6.103515625e-05f,4.315837288e-05f,3.051757812e-05f,2.157918644e-05f,
90 1.525878906e-05f,
91};
92
93#endif
94
95#define FROMdB_LOOKUP_SZ 35
96#define FROMdB2_LOOKUP_SZ 32
97#define FROMdB_SHIFT 5
98#define FROMdB2_SHIFT 3
99#define FROMdB2_MASK 31
100
101#ifdef FLOAT_LOOKUP
102static const float FROMdB_LOOKUP[FROMdB_LOOKUP_SZ]={
103 1.f, 0.6309573445f, 0.3981071706f, 0.2511886432f,
104 0.1584893192f, 0.1f, 0.06309573445f, 0.03981071706f,
105 0.02511886432f, 0.01584893192f, 0.01f, 0.006309573445f,
106 0.003981071706f, 0.002511886432f, 0.001584893192f, 0.001f,
107 0.0006309573445f,0.0003981071706f,0.0002511886432f,0.0001584893192f,
108 0.0001f,6.309573445e-05f,3.981071706e-05f,2.511886432e-05f,
109 1.584893192e-05f, 1e-05f,6.309573445e-06f,3.981071706e-06f,
110 2.511886432e-06f,1.584893192e-06f, 1e-06f,6.309573445e-07f,
111 3.981071706e-07f,2.511886432e-07f,1.584893192e-07f,
112};
113
114static const float FROMdB2_LOOKUP[FROMdB2_LOOKUP_SZ]={
115 0.9928302478f, 0.9786445908f, 0.9646616199f, 0.9508784391f,
116 0.9372921937f, 0.92390007f, 0.9106992942f, 0.8976871324f,
117 0.8848608897f, 0.8722179097f, 0.8597555737f, 0.8474713009f,
118 0.835362547f, 0.8234268041f, 0.8116616003f, 0.8000644989f,
119 0.7886330981f, 0.7773650302f, 0.7662579617f, 0.755309592f,
120 0.7445176537f, 0.7338799116f, 0.7233941627f, 0.7130582353f,
121 0.7028699885f, 0.6928273125f, 0.6829281272f, 0.6731703824f,
122 0.6635520573f, 0.6540711597f, 0.6447257262f, 0.6355138211f,
123};
124#endif
125
126#ifdef INT_LOOKUP
127
128#define INVSQ_LOOKUP_I_SHIFT 10
129#define INVSQ_LOOKUP_I_MASK 1023
130static const long INVSQ_LOOKUP_I[64+1]={
131 92682l, 91966l, 91267l, 90583l,
132 89915l, 89261l, 88621l, 87995l,
133 87381l, 86781l, 86192l, 85616l,
134 85051l, 84497l, 83953l, 83420l,
135 82897l, 82384l, 81880l, 81385l,
136 80899l, 80422l, 79953l, 79492l,
137 79039l, 78594l, 78156l, 77726l,
138 77302l, 76885l, 76475l, 76072l,
139 75674l, 75283l, 74898l, 74519l,
140 74146l, 73778l, 73415l, 73058l,
141 72706l, 72359l, 72016l, 71679l,
142 71347l, 71019l, 70695l, 70376l,
143 70061l, 69750l, 69444l, 69141l,
144 68842l, 68548l, 68256l, 67969l,
145 67685l, 67405l, 67128l, 66855l,
146 66585l, 66318l, 66054l, 65794l,
147 65536l,
148};
149
150#define COS_LOOKUP_I_SHIFT 9
151#define COS_LOOKUP_I_MASK 511
152#define COS_LOOKUP_I_SZ 128
153static const long COS_LOOKUP_I[COS_LOOKUP_I_SZ+1]={
154 16384l, 16379l, 16364l, 16340l,
155 16305l, 16261l, 16207l, 16143l,
156 16069l, 15986l, 15893l, 15791l,
157 15679l, 15557l, 15426l, 15286l,
158 15137l, 14978l, 14811l, 14635l,
159 14449l, 14256l, 14053l, 13842l,
160 13623l, 13395l, 13160l, 12916l,
161 12665l, 12406l, 12140l, 11866l,
162 11585l, 11297l, 11003l, 10702l,
163 10394l, 10080l, 9760l, 9434l,
164 9102l, 8765l, 8423l, 8076l,
165 7723l, 7366l, 7005l, 6639l,
166 6270l, 5897l, 5520l, 5139l,
167 4756l, 4370l, 3981l, 3590l,
168 3196l, 2801l, 2404l, 2006l,
169 1606l, 1205l, 804l, 402l,
170 0l, -401l, -803l, -1204l,
171 -1605l, -2005l, -2403l, -2800l,
172 -3195l, -3589l, -3980l, -4369l,
173 -4755l, -5138l, -5519l, -5896l,
174 -6269l, -6638l, -7004l, -7365l,
175 -7722l, -8075l, -8422l, -8764l,
176 -9101l, -9433l, -9759l, -10079l,
177 -10393l, -10701l, -11002l, -11296l,
178 -11584l, -11865l, -12139l, -12405l,
179 -12664l, -12915l, -13159l, -13394l,
180 -13622l, -13841l, -14052l, -14255l,
181 -14448l, -14634l, -14810l, -14977l,
182 -15136l, -15285l, -15425l, -15556l,
183 -15678l, -15790l, -15892l, -15985l,
184 -16068l, -16142l, -16206l, -16260l,
185 -16304l, -16339l, -16363l, -16378l,
186 -16383l,
187};
188
189#endif
190
191#endif
192