1 #if !defined(_bitrenc_H)
2 # define _bitrenc_H (1)
5 /*Encoder-specific functions for Binary Indexed Trees.
6 See bitree.h for more detailed documentation.*/
8 /*Updates the frequency of a given symbol.
9 _sz: The size of the table.
10 _sym: The symbol to update.
11 _val: The amount to add to this symbol's frequency.*/
12 void ec_bitree_update(unsigned *_this
,int _sz
,int _sym
,int _val
);