C++ (Cpp) rhist Examples

Example #1

File: sic.cpp Project: slehm/lisa

int SIC::CompressRowGrey(uint8_t *linebuf,uint8_t *outbuf)
{
  BitBuffer bitout(outbuf+4);

  bool runmode=false;
  int runlen=0;
  vector <int>rhist(256);

  for (int i=0;i<width;i++) {
    int x=linebuf[i];
    int w=0,ww=0;
    if (i>0) w=linebuf[i-1];
    if (i>1) ww=linebuf[i-2];

    if (!runmode && w==ww) {runmode=1;runlen=0;};

    if (!runmode) {
      EncodeVal(bitout,x,w);
    } else {
      if (x==w) runlen++;
      else {
        bitout.PutEliasGamma(runlen+1);
        if (runlen<256) rhist[runlen]++;
        EncodeVal(bitout,x,w);
        runmode=false;
      }
    }
  }
  /*for (int i=0;i<32;i++) cout << rhist[i] << " ";
  cout << endl;*/
  if (runmode) bitout.PutEliasGamma(runlen+1);
  bitout.Flush();
  Utils::Put32LH(outbuf,bitout.GetBytesProcessed());
  return bitout.GetBytesProcessed()+4;
}

Example #2

File: createWorkspace.C Project: avartak/AnalysisCode

void addTemplate(string procname, RooArgList& varlist, RooWorkspace& ws, TH1F* hist) {
    RooDataHist rhist(procname.c_str(), "", varlist, hist);
    ws.import(rhist);
}