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comparison libgsmefr/autocorr.c @ 55:92dc7f0082a3

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libgsmefr: autocorr.c compiles
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 25 Nov 2022 16:38:54 +0000
parents 49dd1ac8e75b
children
comparison
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54:7b11cbe99a0e 55:92dc7f0082a3
11 * The autocorrelations are expressed in normalized double precision 11 * The autocorrelations are expressed in normalized double precision
12 * format. 12 * format.
13 * 13 *
14 *************************************************************************/ 14 *************************************************************************/
15 15
16 #include "gsm_efr.h"
16 #include "typedef.h" 17 #include "typedef.h"
18 #include "namespace.h"
17 #include "basic_op.h" 19 #include "basic_op.h"
18 #include "oper_32b.h" 20 #include "oper_32b.h"
19 #include "count.h" 21 #include "no_count.h"
20 #include "cnst.h" 22 #include "cnst.h"
23 #include "sig_proc.h"
21 24
22 Word16 Autocorr ( 25 Word16 Autocorr (
23 Word16 x[], /* (i) : Input signal */ 26 Word16 x[], /* (i) : Input signal */
24 Word16 m, /* (i) : LPC order */ 27 Word16 m, /* (i) : LPC order */
25 Word16 r_h[], /* (o) : Autocorrelations (msb) */ 28 Word16 r_h[], /* (o) : Autocorrelations (msb) */
26 Word16 r_l[], /* (o) : Autocorrelations (lsb) */ 29 Word16 r_l[], /* (o) : Autocorrelations (lsb) */
27 Word16 wind[] /* (i) : window for LPC analysis */ 30 const Word16 wind[] /* (i) : window for LPC analysis */
28 ) 31 )
29 { 32 {
30 Word16 i, j, norm; 33 Word16 i, j, norm;
31 Word16 y[L_WINDOW]; 34 Word16 y[L_WINDOW];
32 Word32 sum; 35 Word32 sum;