FreeCalypso > hg > gsm-codec-lib

comparison libtwamr/lsp_lsf.tab @ 344:05a46720af0f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
libtwamr: integrate d_plsf_3.c
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 19 Apr 2024 01:23:15 +0000
parents
children
comparison
equal deleted inserted replaced
343:3f574255c3aa 344:05a46720af0f
1 /*
2 ********************************************************************************
3 *
4 * GSM AMR-NB speech codec R98 Version 7.6.0 December 12, 2001
5 * R99 Version 3.3.0
6 * REL-4 Version 4.1.0
7 *
8 ********************************************************************************
9 *
10 * File : lsp_lsf.tab
11 * Purpose : Tables for function Lsf_lsp() and Lsp_lsf()
12 * $Id $
13 *
14 ********************************************************************************
15 */
16 /* table of cos(x) */
17
18 static const Word16 table[65] =
19 {
20 32767, 32729, 32610, 32413, 32138, 31786, 31357, 30853,
21 30274, 29622, 28899, 28106, 27246, 26320, 25330, 24279,
22 23170, 22006, 20788, 19520, 18205, 16846, 15447, 14010,
23 12540, 11039, 9512, 7962, 6393, 4808, 3212, 1608,
24 0, -1608, -3212, -4808, -6393, -7962, -9512, -11039,
25 -12540, -14010, -15447, -16846, -18205, -19520, -20788, -22006,
26 -23170, -24279, -25330, -26320, -27246, -28106, -28899, -29622,
27 -30274, -30853, -31357, -31786, -32138, -32413, -32610, -32729,
28 (Word16) 0x8000
29 };
30
31 /* 0x8000 = -32768 (used to silence the compiler) */
32
33 /* slope used to compute y = acos(x) */
34
35 static const Word16 slope[64] =
36 {
37 -26887, -8812, -5323, -3813, -2979, -2444, -2081, -1811,
38 -1608, -1450, -1322, -1219, -1132, -1059, -998, -946,
39 -901, -861, -827, -797, -772, -750, -730, -713,
40 -699, -687, -677, -668, -662, -657, -654, -652,
41 -652, -654, -657, -662, -668, -677, -687, -699,
42 -713, -730, -750, -772, -797, -827, -861, -901,
43 -946, -998, -1059, -1132, -1219, -1322, -1450, -1608,
44 -1811, -2081, -2444, -2979, -3813, -5323, -8812, -26887
45 };