ref: a073c7bedfec57c7a8c6d2fbbd4ebc9c4936e709 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); }