FreeCalypso > hg > gsm-codec-lib
comparison libtwamr/pow2.h @ 337:190c4c9a3693
libtwamr: integrate pow2.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 18 Apr 2024 23:06:59 +0000 |
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336:7f99b8ed30e5 | 337:190c4c9a3693 |
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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 : pow2.h | |
11 * Purpose : computes L_x = pow(2.0, exponent.fraction) | |
12 * | |
13 ******************************************************************************** | |
14 */ | |
15 #ifndef pow2_h | |
16 #define pow2_h "$Id $" | |
17 | |
18 /* | |
19 ******************************************************************************** | |
20 * INCLUDE FILES | |
21 ******************************************************************************** | |
22 */ | |
23 #include "typedef.h" | |
24 | |
25 /* | |
26 ******************************************************************************** | |
27 * DEFINITION OF DATA TYPES | |
28 ******************************************************************************** | |
29 */ | |
30 | |
31 /* | |
32 ******************************************************************************** | |
33 * DECLARATION OF PROTOTYPES | |
34 ******************************************************************************** | |
35 */ | |
36 Word32 Pow2 ( /* (o) : result (range: 0<=val<=0x7fffffff) */ | |
37 Word16 exponent, /* (i) : Integer part. (range: 0<=val<=30) */ | |
38 Word16 fraction /* (i) : Fractional part. (range: 0.0<=val<1.0) */ | |
39 ); | |
40 | |
41 #endif |