ref: abe043f0a1a8dd8ce4ae273ea0043e2c057f1aae dir: /libcelt/bitrenc.c/
#include "bitrenc.h" void ec_bitree_update(unsigned *_this,int _sz,int _sym,int _val){ do{ _this[_sym]+=_val; _sym+=_sym+1&-(_sym+1); } while(_sym<_sz); }