From d4e6135a179cf6005cc50800f060854b34ae2e8b Mon Sep 17 00:00:00 2001
From: Jaron Kent-Dobias <jaron@kent-dobias.com>
Date: Wed, 4 Sep 2019 08:18:37 -0400
Subject: added tool for processing percolation data

---
 tools/process_perc.cpp | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 tools/process_perc.cpp

diff --git a/tools/process_perc.cpp b/tools/process_perc.cpp
new file mode 100644
index 0000000..f1274b7
--- /dev/null
+++ b/tools/process_perc.cpp
@@ -0,0 +1,73 @@
+
+#include <fstream>
+#include <vector>
+#include <cinttypes>
+#include <sstream>
+#include <string>
+#include <cmath>
+
+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);
+
+    std::vector<std::vector<uint64_t>> dat;
+
+    unsigned line_num = 0;
+    std::string line;
+    while (std::getline(in_file, line)) {
+      dat.resize(line_num + 1);
+      std::istringstream iss(line);
+      uint64_t a;
+      while (iss >> a) {
+        dat[line_num].push_back(a);
+      }
+      line_num++;
+    }
+
+    in_file.close();
+
+    unsigned n_moms = 5;
+
+    std::vector<std::vector<double>> output(n_moms);
+
+    for (unsigned i = 0; i < n_moms; i++) {
+      output[i].resize(dat.size());
+    }
+
+    for (unsigned i = 1; i <= n_moms; i++) {
+      for (unsigned j = 0; j < dat.size(); j++) {
+        double mom = 0;
+        uint64_t total = 0;
+        for (unsigned k = 1; k <= dat[j].size(); k++) {
+          mom += pow(k, i) * dat[j][k - 1];
+          total += dat[j][k - 1];
+        }
+
+        output[i - 1][j] = mom / total;
+      }
+    }
+
+    std::ofstream out_file;
+    out_file.open(filename + ".processed");
+
+    for (unsigned i = 0; i < n_moms; i++)  {
+      for (unsigned j = 0; j < output[i].size(); j++) {
+        out_file << output[i][j] << " ";
+      }
+      out_file << "\n";
+    }
+
+    out_file.close();
+
+  }
+
+  return 0;
+}
+
-- 
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