FreeCalypso > hg > gsm-codec-lib

annotate libgsmefr/lsp_lsf.tab @ 282:9ee8ad3d4d30

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frtest: rm gsmfr-hand-test and gsmfr-max-out utils These hack programs were never properly documented and were written only as part of a debug chase, in pursuit of a bug that ultimately turned out to be in our then-hacky patch to osmo-bts-sysmo, before beginning of proper patches in Osmocom. These hack programs need to be dropped from the present sw package because they depend on old libgsm, and we are eliminating that dependency.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Apr 2024 05:44:47 +0000
parents 37e39cad5838
children
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37e39cad5838 libgsmefr/*.tab: import from ETSI code
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1 /*-----------------------------------------------------*
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2 | Tables for function Lsf_lsp() and Lsp_lsf() |
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3 -----------------------------------------------------*/
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4
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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5 /* table of cos(x) */
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6
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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7 static const Word16 table[65] =
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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8 {
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9 32767, 32729, 32610, 32413, 32138, 31786, 31357, 30853,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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10 30274, 29622, 28899, 28106, 27246, 26320, 25330, 24279,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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11 23170, 22006, 20788, 19520, 18205, 16846, 15447, 14010,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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12 12540, 11039, 9512, 7962, 6393, 4808, 3212, 1608,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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13 0, -1608, -3212, -4808, -6393, -7962, -9512, -11039,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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14 -12540, -14010, -15447, -16846, -18205, -19520, -20788, -22006,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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15 -23170, -24279, -25330, -26320, -27246, -28106, -28899, -29622,
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16 -30274, -30853, -31357, -31786, -32138, -32413, -32610, -32729,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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17 (Word16) 0x8000
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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18 };
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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19
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20 /* 0x8000 = -32768 (used to silence the compiler) */
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21
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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22 /* slope used to compute y = acos(x) */
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23
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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24 static const Word16 slope[64] =
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25 {
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26 -26887, -8812, -5323, -3813, -2979, -2444, -2081, -1811,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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27 -1608, -1450, -1322, -1219, -1132, -1059, -998, -946,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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28 -901, -861, -827, -797, -772, -750, -730, -713,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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29 -699, -687, -677, -668, -662, -657, -654, -652,
37e39cad5838 libgsmefr/*.tab: import from ETSI code
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30 -652, -654, -657, -662, -668, -677, -687, -699,
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31 -713, -730, -750, -772, -797, -827, -861, -901,
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32 -946, -998, -1059, -1132, -1219, -1322, -1450, -1608,
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33 -1811, -2081, -2444, -2979, -3813, -5323, -8812, -26887
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34 };