Merge branch '1644_ref_port_fl1563' into 'ivas-float-update'

#define USE_NEW_HRTF_BINARY_FILE_FORMAT                 /* Orange: to activate when decided to change the hrtf binary file format */

#define FIX_WARNING_RENDER_CONFIG                       /* Orange: fix warning on windows build */

#define NONBE_FIX_991_PARAMBIN_BINARY_HRTF              /* Nokia: issue #991: fix using of binary file HRTF in ParamBin (to actiate when USE_NEW_HRTF_BINARY_FILE_FORMAT and FIX_777_COMBI_RENDER_CONFIG_FILE are on  )*/

#define NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS            /* FhG: fix for #1091, fix limit calculation for the regularized inverse of Kx to avoid bursts in very low signals  */

#define FIX_1053_REVERB_RECONFIGURATION                 /* Philips: issue 1053: fix for dynamic switching of acoustic environment */

#define NONBE_FIX_SBA_SIGNALING_BITS_B                  /* FhG: issue 1061: option B: signal sba order additionally in OSBA */

#define NONBE_FIX_ISM_XOVER_BR                          /* FhG: issue 1072: select OSBA coding method depending on number of object and bitrate */

#include "wmc_auto.h"

#include "rom_dec.h"

#ifdef NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS

/*-----------------------------------------------------------------------*

 * Local constants

 *-----------------------------------------------------------------------*/

#define SQRT_EPSILON 3.16227755e-08 /* square root of EPSILON */

#endif

/*-------------------------------------------------------------------*

 * ivas_dirac_dec_output_synthesis_cov_open()

     *-----------------------------------------------------------------*/

    maximum( svd_s_buffer, lengthCx, &limit );

#ifdef NONBE_FIX_1091_PMC_LOW_SIGNAL_BURSTS

    limit = (float) max( limit * reg_Sx, SQRT_EPSILON );

#else

    limit = limit * reg_Sx + EPSILON;

#endif

    for ( i = 0; i < lengthCx; ++i )

    {