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27
28 #ifdef HAVE_CONFIG_H
29 #include "config.h"
30 #endif
31
32 #include "main_FLP.h"
33
34 /* Add noise to matrix diagonal */
silk_regularize_correlations_FLP(silk_float * XX,silk_float * xx,const silk_float noise,const opus_int D)35 void silk_regularize_correlations_FLP(
36 silk_float *XX, /* I/O Correlation matrices */
37 silk_float *xx, /* I/O Correlation values */
38 const silk_float noise, /* I Noise energy to add */
39 const opus_int D /* I Dimension of XX */
40 )
41 {
42 opus_int i;
43
44 for( i = 0; i < D; i++ ) {
45 matrix_ptr( &XX[ 0 ], i, i, D ) += noise;
46 }
47 xx[ 0 ] += noise;
48 }
49