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buchmann |
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#include <string>
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#include <map>
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#include <iostream>
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#include <fstream>
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using namespace std;
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string inttoprocess(int id) {
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if(id==1) return "ng";
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if(id==2) return "ns";
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if(id==3) return "nn";
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if(id==4) return "ll";
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if(id==5) return "sb";
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if(id==6) return "ss";
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if(id==7) return "tb";
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if(id==8) return "bb";
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if(id==9) return "gg";
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if(id==10) return "sg";
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return "ERROR_in_inttoprocess";
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}
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map < pair<float, float>, map<string, float> > getXsec(string xsecfile) {
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map < pair<float, float>, map<string, float> > xsec;
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std::ifstream inFile(xsecfile.c_str());
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if(!inFile) {
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write_error(__FUNCTION__,"SPECIFIED CROSS SECTION FILE WAS NOT FOUND!");
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cout << "Attempted to read from " << xsecfile << endl;
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return xsec;
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}
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std::string sLine;
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while(std::getline(inFile, sLine))
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{
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int init_m0 = sLine.find("m0", 0);
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if(init_m0 == string::npos) continue;
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//file structure
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//|(scale=1.0) m0=1000, m1/2=100, tanbeta=3, A0=0, sign(mu)=+ve| 0.224611 | 0.0101205 | 53.1719 | 3.5998e-06 | 0.00592 | 0.0386 | 0.024632 | 0.001203 | 66.1 | 2.3 |
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//| Sub-processes | ng | ns | nn | ll | sb | ss | tb | bb | gg | sg |
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int m0=-1, m12=-1, tanb=-1;
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float ng=-1,ns=-1,nn=-1,ll=-1,sb=-1,ss=-1,tb=-1,bb=-1,gg=-1,sg=-1,tngb=-1,a0=-1;
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sscanf(sLine.c_str(), " |(scale=1.0) m0=%*d, m1/2=%*d, tanbeta=%f, A0=%f, sign(mu)=+ve| %f | %e | %e | %e | %e | %e | %e | %e | %e | %e |",
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&tngb,&a0,&ng,&ns,&nn,&ll,&sb,&ss,&tb,&bb,&gg,&sg);
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sscanf(sLine.c_str(), " |(scale=1.0) m0=%d, m1/2=%d, %*s |",
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&m0, &m12);
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pair< float, float > susyPoint;
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map< string, float > subXsec;
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susyPoint.first = m0; susyPoint.second = m12;
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subXsec["ng"] = ng;
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subXsec["ns"] = ns;
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subXsec["nn"] = nn;
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subXsec["ll"] = ll;
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subXsec["sb"] = sb;
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subXsec["ss"] = ss;
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subXsec["tb"] = tb;
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subXsec["bb"] = bb;
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subXsec["gg"] = gg;
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subXsec["sg"] = sg;
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xsec[ susyPoint ] = subXsec;
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}
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inFile.close();
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return xsec;
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}
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float GetXSecForPointAndChannel(float m0, float m12, map < pair<float, float>, map<string, float> > &xsec, string channel) {
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pair< float, float > susyPoint; susyPoint.first = m0; susyPoint.second = m12;
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map< string, float > subXsec = xsec[susyPoint];
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return subXsec[channel];
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}
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float GetXSecForPointAndChannel(float m0, float m12, map < pair<float, float>, map<string, float> > &xsec, int channel) {
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return GetXSecForPointAndChannel(m0, m12, xsec, inttoprocess(channel));
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}
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/*
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//This is how you use this implementation (a little example) :
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int main() {
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cout << "This is an illustration of how this thing works :-)" << endl;
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map < pair<float, float>, map<string, float> > xsec = getXsec("/scratch/buchmann/C/scale_xsection_nlo1.0_m0_m12_10_0_1v1.txt_INVALID");
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float tester = GetXSecForPointAndChannel(1920,500,xsec,"sg");
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cout << tester << endl;
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return 0;
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}
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*/
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