本文整理汇总了C++中RooRealVar::readFromStream方法的典型用法代码示例。如果您正苦于以下问题：C++ RooRealVar::readFromStream方法的具体用法？C++ RooRealVar::readFromStream怎么用？C++ RooRealVar::readFromStream使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类RooRealVar的用法示例。
在下文中一共展示了RooRealVar::readFromStream方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
//.........这里部分代码省略.........
RooHistPdf * ZmmNoIsoPdf = createHistPdf( "ZmmNoIsoPdf", zmm, mass, rebinZMuMuNoIso/ rebinZMuMu );
// creating a pdf for Zms from zmsta!!!
RooHistPdf * ZmsPdf = createHistPdf( "ZmsPdf", zmsta, mass, rebinZMuSa/ rebinZMuMu );
// creating a pdf for Zmmhlt
RooHistPdf * ZmmHltPdf = createHistPdf( "ZmmHltPdf", zmm, mass, rebinZMuMuHlt/ rebinZMuMu );
// creating the variable with random init values
RooRealVar Yield("Yield","Yield", 15000.,345.,3567890.) ;
RooRealVar nbkg_mutrk("nbkg_mutrk","background _mutrk fraction",500,0.,100000.) ;
RooRealVar nbkg_mumuNotIso("nbkg_mumuNotIso","background fraction",500,0.,100000.) ;
RooRealVar nbkg_musa("nbkg_musa","background fraction",50,0.,100000.) ;
RooRealVar eff_tk("eff_tk","signal _mutrk fraction",.99,0.8,1.0) ;
RooRealVar eff_sa("eff_sa","eff musta",0.99,0.8,1.0) ;
RooRealVar eff_iso("eff_iso","eff mumuNotIso",.99,0.8,1.0) ;
RooRealVar eff_hlt("eff_hlt","eff 1hlt",0.99, 0.8,1.0) ;
RooRealVar alpha ("alpha","coefficient alpha", -0.01 , -1000, 1000.) ;
RooRealVar a0 ("a0","coefficient 0", 1,-1000.,1000.) ;
RooRealVar a1 ("a1","coefficient 1", -0.001,-1000,1000.) ;
RooRealVar a2 ("a2","coefficient 2", 0.0,-1000.,1000.) ;
RooRealVar beta ("beta","coefficient beta", -0.01,-1000 , 1000. ) ;
RooRealVar b0 ("b0","coefficient 0", 1,-1000.,1000.) ;
RooRealVar b1 ("b1","coefficient 1", -0.001,-1000,1000.) ;
RooRealVar b2("b2","coefficient 2", 0.0,-1000.,1000.) ;
RooRealVar gamma ("gamma","coefficient gamma", -0.01,-1000 , 1000. ) ;
RooRealVar c0 ("c0","coefficient 0", 1,-1000.,1000.) ;
RooRealVar c1 ("c1","coefficient 1", -0.001,-1000,1000.) ;
// fit parameters setted from datacard
filebuf fb;
fb.open ("zMuMuRooFit.txt",ios::in);
istream is(&fb);
char line[1000];
Yield.readFromStream(is.getline(line, 1000), kFALSE);
nbkg_mutrk.readFromStream(is.getline(line,1000), kFALSE);
nbkg_mumuNotIso.readFromStream(is.getline(line,1000), kFALSE);
nbkg_musa.readFromStream(is.getline(line,1000), kFALSE);
eff_tk.readFromStream(is.getline(line,1000), kFALSE);
eff_sa.readFromStream(is.getline(line,1000), kFALSE);
eff_iso.readFromStream(is.getline(line,1000), kFALSE);
eff_hlt.readFromStream(is.getline(line,1000), kFALSE);
alpha.readFromStream(is.getline(line,1000), kFALSE);
a0.readFromStream(is.getline(line,1000), kFALSE);
a1.readFromStream(is.getline(line,1000), kFALSE );
a2.readFromStream(is.getline(line,1000), kFALSE);
beta.readFromStream(is.getline(line,1000), kFALSE);
b0.readFromStream(is.getline(line,1000), kFALSE);
b1.readFromStream(is.getline(line,1000), kFALSE);
b2.readFromStream(is.getline(line,1000), kFALSE);
gamma.readFromStream(is.getline(line,1000), kFALSE);
c0.readFromStream(is.getline(line,1000), kFALSE);
c1.readFromStream(is.getline(line,1000), kFALSE);
fb.close();
// scaling to lumi if toy is enabled...
if (vm.count("toy")) {
Yield.setVal(scaleLumi * (Yield.getVal()));
nbkg_mutrk.setVal(scaleLumi * (nbkg_mutrk.getVal()));
nbkg_mumuNotIso.setVal(scaleLumi * (nbkg_mumuNotIso.getVal()));
}
//efficiency term
//zMuMuEff1HLTTerm = _2 * (effTk ^ _2) * (effSa ^ _2) * (effIso ^ _2) * effHLT * (_1 - effHLT);
RooFormulaVar zMuMu1HLTEffTerm("zMuMu1HLTEffTerm", "Yield * (2.* (eff_tk)^2 * (eff_sa)^2 * (eff_iso)^2 * eff_hlt *(1.- eff_hlt))",