spandsp
0.0.6
math_fixed_tables.h
1
static
const
uint16_t fixed_reciprocal_table[129] =
2
{
3
32768,
4
32514,
5
32264,
6
32018,
7
31775,
8
31536,
9
31301,
10
31069,
11
30840,
12
30615,
13
30394,
14
30175,
15
29959,
16
29747,
17
29537,
18
29331,
19
29127,
20
28926,
21
28728,
22
28533,
23
28340,
24
28150,
25
27962,
26
27777,
27
27594,
28
27414,
29
27236,
30
27060,
31
26887,
32
26715,
33
26546,
34
26379,
35
26214,
36
26052,
37
25891,
38
25732,
39
25575,
40
25420,
41
25267,
42
25116,
43
24966,
44
24818,
45
24672,
46
24528,
47
24385,
48
24245,
49
24105,
50
23967,
51
23831,
52
23697,
53
23564,
54
23432,
55
23302,
56
23173,
57
23046,
58
22920,
59
22795,
60
22672,
61
22550,
62
22429,
63
22310,
64
22192,
65
22075,
66
21960,
67
21845,
68
21732,
69
21620,
70
21509,
71
21400,
72
21291,
73
21183,
74
21077,
75
20972,
76
20867,
77
20764,
78
20662,
79
20560,
80
20460,
81
20361,
82
20262,
83
20165,
84
20068,
85
19973,
86
19878,
87
19784,
88
19692,
89
19600,
90
19508,
91
19418,
92
19329,
93
19240,
94
19152,
95
19065,
96
18979,
97
18893,
98
18809,
99
18725,
100
18641,
101
18559,
102
18477,
103
18396,
104
18316,
105
18236,
106
18157,
107
18079,
108
18001,
109
17924,
110
17848,
111
17772,
112
17697,
113
17623,
114
17549,
115
17476,
116
17404,
117
17332,
118
17261,
119
17190,
120
17120,
121
17050,
122
16981,
123
16913,
124
16845,
125
16777,
126
16710,
127
16644,
128
16578,
129
16513,
130
16448,
131
16384
132
};
133
134
static
const
uint16_t fixed_sqrt_table[193] =
135
{
136
32768,
137
33023,
138
33276,
139
33527,
140
33776,
141
34024,
142
34270,
143
34514,
144
34756,
145
34996,
146
35235,
147
35472,
148
35708,
149
35942,
150
36175,
151
36406,
152
36636,
153
36864,
154
37091,
155
37316,
156
37540,
157
37763,
158
37985,
159
38205,
160
38424,
161
38642,
162
38858,
163
39073,
164
39287,
165
39500,
166
39712,
167
39923,
168
40132,
169
40341,
170
40548,
171
40755,
172
40960,
173
41164,
174
41368,
175
41570,
176
41771,
177
41972,
178
42171,
179
42369,
180
42567,
181
42763,
182
42959,
183
43154,
184
43348,
185
43541,
186
43733,
187
43925,
188
44115,
189
44305,
190
44494,
191
44682,
192
44869,
193
45056,
194
45242,
195
45427,
196
45611,
197
45795,
198
45977,
199
46160,
200
46341,
201
46522,
202
46702,
203
46881,
204
47059,
205
47237,
206
47415,
207
47591,
208
47767,
209
47942,
210
48117,
211
48291,
212
48465,
213
48637,
214
48809,
215
48981,
216
49152,
217
49322,
218
49492,
219
49661,
220
49830,
221
49998,
222
50166,
223
50332,
224
50499,
225
50665,
226
50830,
227
50995,
228
51159,
229
51323,
230
51486,
231
51649,
232
51811,
233
51972,
234
52134,
235
52294,
236
52454,
237
52614,
238
52773,
239
52932,
240
53090,
241
53248,
242
53405,
243
53562,
244
53719,
245
53874,
246
54030,
247
54185,
248
54340,
249
54494,
250
54647,
251
54801,
252
54954,
253
55106,
254
55258,
255
55410,
256
55561,
257
55712,
258
55862,
259
56012,
260
56162,
261
56311,
262
56459,
263
56608,
264
56756,
265
56903,
266
57051,
267
57198,
268
57344,
269
57490,
270
57636,
271
57781,
272
57926,
273
58071,
274
58215,
275
58359,
276
58503,
277
58646,
278
58789,
279
58931,
280
59073,
281
59215,
282
59357,
283
59498,
284
59639,
285
59779,
286
59919,
287
60059,
288
60199,
289
60338,
290
60477,
291
60615,
292
60753,
293
60891,
294
61029,
295
61166,
296
61303,
297
61440,
298
61576,
299
61712,
300
61848,
301
61984,
302
62119,
303
62254,
304
62388,
305
62523,
306
62657,
307
62790,
308
62924,
309
63057,
310
63190,
311
63323,
312
63455,
313
63587,
314
63719,
315
63850,
316
63982,
317
64113,
318
64243,
319
64374,
320
64504,
321
64634,
322
64763,
323
64893,
324
65022,
325
65151,
326
65279,
327
65408,
328
65535
329
};
330
331
static
const
int16_t fixed_log10_table[129] =
332
{
333
-9864,
334
-9753,
335
-9644,
336
-9534,
337
-9426,
338
-9319,
339
-9212,
340
-9106,
341
-9001,
342
-8897,
343
-8794,
344
-8691,
345
-8589,
346
-8488,
347
-8387,
348
-8287,
349
-8188,
350
-8090,
351
-7992,
352
-7895,
353
-7798,
354
-7702,
355
-7607,
356
-7512,
357
-7419,
358
-7325,
359
-7233,
360
-7140,
361
-7049,
362
-6958,
363
-6868,
364
-6778,
365
-6689,
366
-6600,
367
-6512,
368
-6424,
369
-6337,
370
-6251,
371
-6165,
372
-6079,
373
-5994,
374
-5910,
375
-5826,
376
-5742,
377
-5659,
378
-5577,
379
-5495,
380
-5413,
381
-5332,
382
-5252,
383
-5171,
384
-5092,
385
-5012,
386
-4934,
387
-4855,
388
-4777,
389
-4700,
390
-4623,
391
-4546,
392
-4470,
393
-4394,
394
-4318,
395
-4243,
396
-4168,
397
-4094,
398
-4020,
399
-3947,
400
-3873,
401
-3801,
402
-3728,
403
-3656,
404
-3584,
405
-3513,
406
-3442,
407
-3371,
408
-3301,
409
-3231,
410
-3162,
411
-3092,
412
-3023,
413
-2955,
414
-2887,
415
-2819,
416
-2751,
417
-2684,
418
-2617,
419
-2550,
420
-2484,
421
-2418,
422
-2352,
423
-2287,
424
-2222,
425
-2157,
426
-2092,
427
-2028,
428
-1964,
429
-1900,
430
-1837,
431
-1774,
432
-1711,
433
-1648,
434
-1586,
435
-1524,
436
-1462,
437
-1401,
438
-1340,
439
-1279,
440
-1218,
441
-1158,
442
-1097,
443
-1038,
444
-978,
445
-918,
446
-859,
447
-800,
448
-742,
449
-683,
450
-625,
451
-567,
452
-509,
453
-452,
454
-395,
455
-338,
456
-281,
457
-224,
458
-168,
459
-112,
460
-56,
461
0
462
};
463
464
static
const
int16_t fixed_sine_table[257] =
465
{
466
0,
467
201,
468
402,
469
603,
470
804,
471
1005,
472
1206,
473
1407,
474
1608,
475
1809,
476
2009,
477
2210,
478
2411,
479
2611,
480
2811,
481
3012,
482
3212,
483
3412,
484
3612,
485
3812,
486
4011,
487
4211,
488
4410,
489
4609,
490
4808,
491
5007,
492
5205,
493
5404,
494
5602,
495
5800,
496
5998,
497
6195,
498
6393,
499
6590,
500
6787,
501
6983,
502
7180,
503
7376,
504
7571,
505
7767,
506
7962,
507
8157,
508
8351,
509
8546,
510
8740,
511
8933,
512
9127,
513
9319,
514
9512,
515
9704,
516
9896,
517
10088,
518
10279,
519
10469,
520
10660,
521
10850,
522
11039,
523
11228,
524
11417,
525
11605,
526
11793,
527
11980,
528
12167,
529
12354,
530
12540,
531
12725,
532
12910,
533
13095,
534
13279,
535
13463,
536
13646,
537
13828,
538
14010,
539
14192,
540
14373,
541
14553,
542
14733,
543
14912,
544
15091,
545
15269,
546
15447,
547
15624,
548
15800,
549
15976,
550
16151,
551
16326,
552
16500,
553
16673,
554
16846,
555
17018,
556
17190,
557
17361,
558
17531,
559
17700,
560
17869,
561
18037,
562
18205,
563
18372,
564
18538,
565
18703,
566
18868,
567
19032,
568
19195,
569
19358,
570
19520,
571
19681,
572
19841,
573
20001,
574
20160,
575
20318,
576
20475,
577
20632,
578
20788,
579
20943,
580
21097,
581
21251,
582
21403,
583
21555,
584
21706,
585
21856,
586
22006,
587
22154,
588
22302,
589
22449,
590
22595,
591
22740,
592
22884,
593
23028,
594
23170,
595
23312,
596
23453,
597
23593,
598
23732,
599
23870,
600
24008,
601
24144,
602
24279,
603
24414,
604
24548,
605
24680,
606
24812,
607
24943,
608
25073,
609
25202,
610
25330,
611
25457,
612
25583,
613
25708,
614
25833,
615
25956,
616
26078,
617
26199,
618
26320,
619
26439,
620
26557,
621
26674,
622
26791,
623
26906,
624
27020,
625
27133,
626
27246,
627
27357,
628
27467,
629
27576,
630
27684,
631
27791,
632
27897,
633
28002,
634
28106,
635
28209,
636
28311,
637
28411,
638
28511,
639
28610,
640
28707,
641
28803,
642
28899,
643
28993,
644
29086,
645
29178,
646
29269,
647
29359,
648
29448,
649
29535,
650
29622,
651
29707,
652
29792,
653
29875,
654
29957,
655
30038,
656
30118,
657
30196,
658
30274,
659
30350,
660
30425,
661
30499,
662
30572,
663
30644,
664
30715,
665
30784,
666
30853,
667
30920,
668
30986,
669
31050,
670
31114,
671
31177,
672
31238,
673
31298,
674
31357,
675
31415,
676
31471,
677
31527,
678
31581,
679
31634,
680
31686,
681
31737,
682
31786,
683
31834,
684
31881,
685
31927,
686
31972,
687
32015,
688
32058,
689
32099,
690
32138,
691
32177,
692
32214,
693
32251,
694
32286,
695
32319,
696
32352,
697
32383,
698
32413,
699
32442,
700
32470,
701
32496,
702
32522,
703
32546,
704
32568,
705
32590,
706
32610,
707
32629,
708
32647,
709
32664,
710
32679,
711
32693,
712
32706,
713
32718,
714
32729,
715
32738,
716
32746,
717
32753,
718
32758,
719
32762,
720
32766,
721
32767,
722
32767
723
};
724
725
static
const
uint16_t fixed_arctan_table[257] =
726
{
727
1,
728
41,
729
81,
730
122,
731
163,
732
204,
733
244,
734
285,
735
326,
736
367,
737
407,
738
448,
739
489,
740
529,
741
570,
742
610,
743
651,
744
692,
745
732,
746
773,
747
813,
748
854,
749
894,
750
935,
751
975,
752
1015,
753
1056,
754
1096,
755
1136,
756
1177,
757
1217,
758
1257,
759
1297,
760
1337,
761
1377,
762
1417,
763
1457,
764
1497,
765
1537,
766
1577,
767
1617,
768
1656,
769
1696,
770
1736,
771
1775,
772
1815,
773
1854,
774
1894,
775
1933,
776
1973,
777
2012,
778
2051,
779
2090,
780
2129,
781
2168,
782
2207,
783
2246,
784
2285,
785
2324,
786
2363,
787
2401,
788
2440,
789
2478,
790
2517,
791
2555,
792
2594,
793
2632,
794
2670,
795
2708,
796
2746,
797
2784,
798
2822,
799
2860,
800
2897,
801
2935,
802
2973,
803
3010,
804
3047,
805
3085,
806
3122,
807
3159,
808
3196,
809
3233,
810
3270,
811
3307,
812
3344,
813
3380,
814
3417,
815
3453,
816
3490,
817
3526,
818
3562,
819
3599,
820
3635,
821
3670,
822
3706,
823
3742,
824
3778,
825
3813,
826
3849,
827
3884,
828
3920,
829
3955,
830
3990,
831
4025,
832
4060,
833
4095,
834
4129,
835
4164,
836
4199,
837
4233,
838
4267,
839
4302,
840
4336,
841
4370,
842
4404,
843
4438,
844
4471,
845
4505,
846
4539,
847
4572,
848
4605,
849
4639,
850
4672,
851
4705,
852
4738,
853
4771,
854
4803,
855
4836,
856
4869,
857
4901,
858
4933,
859
4966,
860
4998,
861
5030,
862
5062,
863
5094,
864
5125,
865
5157,
866
5188,
867
5220,
868
5251,
869
5282,
870
5313,
871
5344,
872
5375,
873
5406,
874
5437,
875
5467,
876
5498,
877
5528,
878
5559,
879
5589,
880
5619,
881
5649,
882
5679,
883
5708,
884
5738,
885
5768,
886
5797,
887
5826,
888
5856,
889
5885,
890
5914,
891
5943,
892
5972,
893
6000,
894
6029,
895
6058,
896
6086,
897
6114,
898
6142,
899
6171,
900
6199,
901
6227,
902
6254,
903
6282,
904
6310,
905
6337,
906
6365,
907
6392,
908
6419,
909
6446,
910
6473,
911
6500,
912
6527,
913
6554,
914
6580,
915
6607,
916
6633,
917
6660,
918
6686,
919
6712,
920
6738,
921
6764,
922
6790,
923
6815,
924
6841,
925
6867,
926
6892,
927
6917,
928
6943,
929
6968,
930
6993,
931
7018,
932
7043,
933
7068,
934
7092,
935
7117,
936
7141,
937
7166,
938
7190,
939
7214,
940
7238,
941
7262,
942
7286,
943
7310,
944
7334,
945
7358,
946
7381,
947
7405,
948
7428,
949
7451,
950
7475,
951
7498,
952
7521,
953
7544,
954
7566,
955
7589,
956
7612,
957
7635,
958
7657,
959
7679,
960
7702,
961
7724,
962
7746,
963
7768,
964
7790,
965
7812,
966
7834,
967
7856,
968
7877,
969
7899,
970
7920,
971
7942,
972
7963,
973
7984,
974
8005,
975
8026,
976
8047,
977
8068,
978
8089,
979
8110,
980
8131,
981
8151,
982
8172,
983
8192
984
};
985
src
math_fixed_tables.h
Generated by
1.9.4