text: 
     /******************************************************************
  
         iLBC Speech Coder ANSI-C Source Code
  
         createCB.h
  
         Copyright (C) The Internet Society (2004).
         All Rights Reserved.
  
     ******************************************************************/
  
     #ifndef __iLBC_CREATECB_H
     #define __iLBC_CREATECB_H
  
     void filteredCBvecs(
         float *cbvectors,   /* (o) Codebook vector for the
                                    higher section */
  
  
  
  
  
         float *mem,         /* (i) Buffer to create codebook
                                    vectors from */
         int lMem        /* (i) Length of buffer */
     );
  
     void searchAugmentedCB(
         int low,        /* (i) Start index for the search */
         int high,           /* (i) End index for the search */
         int stage,          /* (i) Current stage */
         int startIndex,     /* (i) CB index for the first
                                    augmented vector */
         float *target,      /* (i) Target vector for encoding */
         float *buffer,      /* (i) Pointer to the end of the
                                    buffer for augmented codebook
                                    construction */
         float *max_measure, /* (i/o) Currently maximum measure */
         int *best_index,/* (o) Currently the best index */
         float *gain,    /* (o) Currently the best gain */
         float *energy,      /* (o) Energy of augmented
                                    codebook vectors */
         float *invenergy/* (o) Inv energy of aug codebook
                                    vectors */
     );
  
     void createAugmentedVec(
         int index,          /* (i) Index for the aug vector
                                    to be created */
         float *buffer,      /* (i) Pointer to the end of the
                                    buffer for augmented codebook
                                    construction */
         float *cbVec    /* (o) The construced codebook vector */
     );
  
     #endif
  