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#include <cinttypes>
#include <cmath>
#include <fstream>
#include <sstream>
#include <string>
#include <vector>
#include <iostream>
#include <iomanip>
signed M(unsigned N, unsigned i) {
return -2 * ((signed)(N - 1) / 2 - (signed)i);
}
int main(int argc, char *argv[]) {
std::vector<std::string> all_args;
if (argc > 1) {
all_args.assign(argv + 1, argv + argc);
}
for (std::string filename : all_args) {
std::ifstream in_file;
in_file.open(filename);
if (!in_file.is_open()) {
std::cout << "Failed to open " << filename << ".\n";
} else {
std::vector<uint64_t> dat;
std::string line;
while (std::getline(in_file, line)) {
std::istringstream iss(line);
uint64_t a;
while (iss >> a) {
dat.push_back(a);
}
}
in_file.close();
double Mt = 0;
double δMt = 0;
double Ma = 0;
double δMa = 0;
double Me = 0;
double δMe = 0;
double Mm = 0;
double δMm = 0;
double χt = 0;
double δχt = 0;
double χa = 0;
double δχa = 0;
double χe = 0;
double δχe = 0;
double χm = 0;
double δχm = 0;
uint64_t normt = 0;
uint64_t norme = 0;
uint64_t normm = 0;
for (unsigned i = 0; i < dat.size(); i++) {
int64_t MM = M(dat.size(), i);
int64_t ni = dat[i];
normt += ni;
Mt += ni * MM;
δMt += ni * pow(MM, 2);
Ma += ni * std::abs(MM);
δMa += ni * pow(MM, 2);
if (i + 1 >= (dat.size()+1) / 2) {
norme += ni;
Me += ni * MM;
δMe += ni * pow(MM, 2);
}
if (i + 1 <= (dat.size()+1) / 2) {
normm += ni;
Mm += ni * MM;
δMm += ni * pow(MM, 2);
}
}
Mt /= normt;
Ma /= normt;
Me /= norme;
Mm /= normm;
δMt = sqrt(δMt) / normt;
δMa = sqrt(δMa) / normt;
δMe = sqrt(δMe) / norme;
δMm = sqrt(δMm) / normm;
for (unsigned i = 0; i < dat.size(); i++) {
int64_t MM = M(dat.size(), i);
int64_t ni = dat[i];
χt += ni * MM * (MM - Mt);
δχt += ni * pow(MM, 2) * (pow(MM - Mt, 2) + ni * pow(δMt, 2));
χa += ni * std::abs(MM) * (std::abs(MM) - Ma);
δχa += ni * pow(MM, 2) * (pow(std::abs(MM) - Ma, 2) + ni * pow(δMa, 2));
if (i + 1 >= (dat.size()+1) / 2) {
χe += ni * MM * (MM - Me);
δχe += ni * pow(MM, 2) * (pow(MM - Me, 2) + ni * pow(δMe, 2));
}
if (i + 1 <= (dat.size()+1) / 2) {
χm += ni * MM * (MM - Mm);
δχm += ni * pow(MM, 2) * (pow(MM - Mm, 2) + ni * pow(δMm, 2));
}
}
χt /= normt;
χa /= normt;
χe /= norme;
χm /= normm;
δχt = sqrt(δχt) / normt;
δχa = sqrt(δχa) / normt;
δχe = sqrt(δχe) / norme;
δχm = sqrt(δχm) / normm;
std::ofstream out_file;
out_file.open(filename + ".processed");
out_file << Me << " " << δMe << "\n";
out_file << Mm << " " << δMm << "\n";
out_file << Mt << " " << δMt << "\n";
out_file << Ma << " " << δMa << "\n";
out_file << χe << " " << δχe << "\n";
out_file << χm << " " << δχm << "\n";
out_file << χt << " " << δχt << "\n";
out_file << χa << " " << δχa << "\n";
out_file.close();
std::cout << "Finished processing " << filename << ".\n";
}
}
return 0;
}
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