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  #include "SKP_Silk_main_FIX.h"
  
  /* Rate-Distortion calculations for multiple input data vectors */
  void SKP_Silk_NLSF_VQ_rate_distortion_FIX(
      SKP_int32                       *pRD_Q20,           /* O    Rate-distortion values [psNLSF_CBS->nVectors*N] */
      const SKP_Silk_NLSF_CBS         *psNLSF_CBS,        /* I    NLSF codebook stage struct                      */
      const SKP_int                   *in_Q15,            /* I    Input vectors to be quantized                   */
      const SKP_int                   *w_Q6,              /* I    Weight vector                                   */
      const SKP_int32                 *rate_acc_Q5,       /* I    Accumulated rates from previous stage           */
      const SKP_int                   mu_Q15,             /* I    Weight between weighted error and rate          */
      const SKP_int                   N,                  /* I    Number of input vectors to be quantized         */
      const SKP_int                   LPC_order           /* I    LPC order                                       */
  )
  {
      SKP_int   i, n;
      SKP_int32 *pRD_vec_Q20;
  
      /* Compute weighted quantization errors for all input vectors over one codebook stage */
      SKP_Silk_NLSF_VQ_sum_error_FIX( pRD_Q20, in_Q15, w_Q6, psNLSF_CBS->CB_NLSF_Q15, 
          N, psNLSF_CBS->nVectors, LPC_order );
  
      /* Loop over input vectors */
      pRD_vec_Q20 = pRD_Q20;
      for( n = 0; n < N; n++ ) {
          /* Add rate cost to error for each codebook vector */
          for( i = 0; i < psNLSF_CBS->nVectors; i++ ) {
              SKP_assert( rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ] >= 0 );
              SKP_assert( rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ] <= SKP_int16_MAX );
              pRD_vec_Q20[ i ] = SKP_SMLABB( pRD_vec_Q20[ i ], rate_acc_Q5[ n ] + psNLSF_CBS->Rates_Q5[ i ], mu_Q15 );
              SKP_assert( pRD_vec_Q20[ i ] >= 0 );
          }
          pRD_vec_Q20 += psNLSF_CBS->nVectors;
      }
  }
  