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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 */
35void 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