File indexing completed on 2024-04-06 12:29:42
0001 #include <iostream>
0002 #include <iomanip>
0003 #include <sstream>
0004 #include <string>
0005
0006 #include "SimDataFormats/GeneratorProducts/interface/LesHouches.h"
0007 #include "SimDataFormats/GeneratorProducts/interface/LHEEventProduct.h"
0008
0009 void LHEEventProduct::const_iterator::next() {
0010 const lhef::HEPEUP &hepeup = event->hepeup();
0011 int line = this->line++;
0012
0013 if (!line) {
0014 std::ostringstream ss;
0015 ss << std::setprecision(7) << std::scientific << std::uppercase << " " << hepeup.NUP << " " << hepeup.IDPRUP
0016 << " " << event->originalXWGTUP() << " " << hepeup.SCALUP << " " << hepeup.AQEDUP << " " << hepeup.AQCDUP
0017 << std::endl;
0018 tmp = ss.str();
0019 return;
0020 }
0021 line--;
0022
0023 if (line < hepeup.NUP) {
0024 std::ostringstream ss;
0025 ss << std::setprecision(10) << std::scientific << std::uppercase << "\t" << hepeup.IDUP[line] << "\t"
0026 << hepeup.ISTUP[line] << "\t" << hepeup.MOTHUP[line].first << "\t" << hepeup.MOTHUP[line].second << "\t"
0027 << hepeup.ICOLUP[line].first << "\t" << hepeup.ICOLUP[line].second << "\t" << hepeup.PUP[line][0] << "\t"
0028 << hepeup.PUP[line][1] << "\t" << hepeup.PUP[line][2] << "\t" << hepeup.PUP[line][3] << "\t"
0029 << hepeup.PUP[line][4] << std::setprecision(3) << "\t" << hepeup.VTIMUP[line] << std::setprecision(1)
0030 << std::fixed << "\t" << hepeup.SPINUP[line] << std::endl;
0031 tmp = ss.str();
0032 return;
0033 }
0034 line -= hepeup.NUP;
0035
0036 if (event->pdf()) {
0037 if (!line) {
0038 const PDF &pdf = *event->pdf();
0039 std::ostringstream ss;
0040 ss << std::setprecision(7) << std::scientific << std::uppercase << "#pdf " << pdf.id.first << " "
0041 << pdf.id.second << " " << pdf.x.first << " " << pdf.x.second << " " << pdf.scalePDF << " "
0042 << pdf.xPDF.first << " " << pdf.xPDF.second << std::endl;
0043 tmp = ss.str();
0044 return;
0045 }
0046 line--;
0047 }
0048
0049 if (line < (int)event->comments_size()) {
0050 tmp = *(event->comments_begin() + line);
0051 return;
0052 }
0053 line -= event->comments_size();
0054
0055 if (!line) {
0056 tmp = "</event>\n";
0057 return;
0058 }
0059
0060 tmp.clear();
0061 this->line = npos;
0062 }
0063
0064 LHEEventProduct::const_iterator LHEEventProduct::begin() const {
0065 const_iterator result;
0066 result.event = this;
0067 result.line = 0;
0068 result.tmp = "<event>\n";
0069 return result;
0070 }
