From 8d7f42078ecf016fd5f8d4e212aa2d2eb308e586 Mon Sep 17 00:00:00 2001
From: mutantturkey <mutantturke@gmail.com>
Date: Fri, 6 Jul 2012 17:15:48 -0400
Subject: starting to clean up, fix a header with newer g++ (4.3)

---
 fly-tools/standard-deviation/StandardDeviation.cpp | 161 ++++++++++-----------
 1 file changed, 80 insertions(+), 81 deletions(-)

diff --git a/fly-tools/standard-deviation/StandardDeviation.cpp b/fly-tools/standard-deviation/StandardDeviation.cpp
index bfa526e..04c301d 100644
--- a/fly-tools/standard-deviation/StandardDeviation.cpp
+++ b/fly-tools/standard-deviation/StandardDeviation.cpp
@@ -1,4 +1,5 @@
 #include<iostream>
+#include <cstdlib> 
 #include<fstream>
 #include<iomanip>
 #include<cmath>
@@ -9,84 +10,82 @@ vector<double> currentHistogramValues;
 
 int main(int argc, char* argv[]) {
 
-	// argv[0] name of the executable
-	// argv[1] input file containing the list of files
-	// argv[2] output file containing the standard deviation and file name pair
-	// argv[3] data file path
-	// argv[4] data file postfix of metricname
-	
-	
-	if (argc < 3) {
-		cout<<"Please provide the parameters ./executable iputfilename outputfilename"<<endl;
-		exit(0);
-	}
-	
-	ifstream inputFileNames(argv[1]);
-	if (inputFileNames.fail() == true) {
-		cout << "Input File can not be opened"<<endl;
-		exit(0);
-	}
-	
-	ofstream outputFile(argv[2]);
-	outputFile<<left<<setw(30)<<"File Name"<<left<<setw(20)<<"Standard deviation"<<left<<setw(20)<<"Mean"<<endl;
-	
-	string prefixPath(argv[3]);
-	
-	string metricName(argv[4]);
-	
-	string currentFileName;
-	while(inputFileNames>>currentFileName) {
-		
-		string currentFileWithExtension = prefixPath + currentFileName + "/" + currentFileName + "_"+ metricName +".txt";
-		cout<<"File"<<currentFileWithExtension<<endl;
-		ifstream currentFile(currentFileWithExtension.c_str());
-		if (currentFile.fail() == true) {
-			cout << currentFileName + " cannot be opened"<<endl;
-			exit(0);
-		}
-		
-		// N = sum(H_i) for i = 0 to M-1, M = number of samples in the histogram
-		// mean = 1/N*(sum(i*H_i)) for i = 0 to M-1
-		double currentValueOfHistogram;
-		double sumOfValues = 0.0;
-		currentHistogramValues.clear();
-		double i = 0.0;
-		double N = 0.0;
-		double M = 0.0;
-		while (currentFile >> currentValueOfHistogram) {
-			sumOfValues = sumOfValues + i*currentValueOfHistogram;
-			currentHistogramValues.push_back(currentValueOfHistogram);
-			
-			N = N + currentValueOfHistogram;
-			i=i+1.0;
-		}
-		
-		M = currentHistogramValues.size();
-		// mean
-		double mean = sumOfValues/N;
-		
-		
-		// sigma^2 = (sum( (i-mean)^2*H_i ) )/(N-1) for i = 0 to M-1
-		double standardDev = 0.0;
-		double sumSquaredResults = 0.0;
-		int j = 0;
-		for (i=0.0; i<M; i=i+1.0) {
-			sumSquaredResults += pow((i-mean), 2.0)*currentHistogramValues[j];
-			j++;
-		}
-		
-		// standard deviation
-		
-		standardDev = sumSquaredResults/(N-1);
-		standardDev = sqrt(standardDev);
-		
-	
-		outputFile<<left<<setw(30)<<currentFileName<<left<<setw(20)<<standardDev<<left<<setw(20)<<mean<<endl;
-		
-		currentFile.close();
-	}
-	
-	inputFileNames.close();
-	outputFile.close();
-
-}
\ No newline at end of file
+  // argv[1] input file containing the list of files
+  // argv[2] output file containing the standard deviation and file name pair
+  // argv[3] data file path
+  // argv[4] data file postfix of metricname
+
+  if (argc < 3) {
+    cout<<"Please provide the parameters ./executable iputfilename outputfilename"<<endl;
+    exit(1);
+  }
+
+  ifstream inputFileNames(argv[1]);
+  ofstream outputFile(argv[2]);
+  string prefixPath(argv[3]);
+  string metricName(argv[4]);
+
+  if (inputFileNames.fail() == true) {
+    cout << "Input File can not be opened"<<endl;
+    exit(0);
+  }
+
+  outputFile<<left<<setw(30)<<"File Name"<<left<<setw(20)<<"Standard deviation"<<left<<setw(20)<<"Mean"<<endl;
+
+
+  string currentFileName;
+  while(inputFileNames>>currentFileName) {
+
+    string currentFileWithExtension = prefixPath + currentFileName + "/" + currentFileName + "_"+ metricName +".txt";
+    cout<<"File"<<currentFileWithExtension<<endl;
+    ifstream currentFile(currentFileWithExtension.c_str());
+    if (currentFile.fail() == true) {
+      cout << currentFileName + " cannot be opened"<<endl;
+      exit(0);
+    }
+
+    // N = sum(H_i) for i = 0 to M-1, M = number of samples in the histogram
+    // mean = 1/N*(sum(i*H_i)) for i = 0 to M-1
+    double currentValueOfHistogram;
+    double sumOfValues = 0.0;
+    currentHistogramValues.clear();
+    double i = 0.0;
+    double N = 0.0;
+    double M = 0.0;
+    while (currentFile >> currentValueOfHistogram) {
+      sumOfValues = sumOfValues + i*currentValueOfHistogram;
+      currentHistogramValues.push_back(currentValueOfHistogram);
+
+      N = N + currentValueOfHistogram;
+      i=i+1.0;
+    }
+
+    M = currentHistogramValues.size();
+    // mean
+    double mean = sumOfValues/N;
+
+
+    // sigma^2 = (sum( (i-mean)^2*H_i ) )/(N-1) for i = 0 to M-1
+    double standardDev = 0.0;
+    double sumSquaredResults = 0.0;
+    int j = 0;
+    for (i=0.0; i<M; i=i+1.0) {
+      sumSquaredResults += pow((i-mean), 2.0)*currentHistogramValues[j];
+      j++;
+    }
+
+    // standard deviation
+
+    standardDev = sumSquaredResults/(N-1);
+    standardDev = sqrt(standardDev);
+
+    outputFile<<left<<setw(30)<<currentFileName<<left<<setw(20)<<standardDev<<left<<setw(20)<<mean<<endl;
+
+    currentFile.close();
+  }
+
+  inputFileNames.close();
+  outputFile.close();
+
+  return(0);
+}
-- 
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