From c4a60da36fd345a99a2f7868913a2d41ccade648 Mon Sep 17 00:00:00 2001
From: david <david@lipn.fr>
Date: Tue, 10 Sep 2019 09:31:48 +0200
Subject: [PATCH] Ajout analyzer.cpp
---
TP1/CPP/analyzer.cpp | 37 +++++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 TP1/CPP/analyzer.cpp
diff --git a/TP1/CPP/analyzer.cpp b/TP1/CPP/analyzer.cpp
new file mode 100644
index 0000000..9d2659e
--- /dev/null
+++ b/TP1/CPP/analyzer.cpp
@@ -0,0 +1,37 @@
+#include "analyzer.hpp"
+#include <fstream>
+
+
+void Analyzer::append(const double & x){
+ cost.push_back(x);
+ cumulative_cost.push_back( (cumulative_cost.size()) ? cumulative_cost.back()+x : x);
+ cumulative_square += x*x;
+}
+
+double Analyzer::get_average_cost(){
+ if(cumulative_cost.empty())
+ throw std::runtime_error("List is empty");
+ return cumulative_cost.back()/cumulative_cost.size();
+}
+
+double Analyzer::get_variance(){
+ double mean, mean_square;
+ mean = get_average_cost();
+ mean_square = mean * mean;
+ return cumulative_square - mean_square;
+}
+
+void Analyzer::save_values(const std::string & path){
+ std::ofstream f;
+ size_t i;
+ f.open(path.c_str());
+ for (i = 0; i < cost.size(); ++i)
+ f<<i<<" "<<cost.at(i)<<" "<<get_amortized_cost(i)<<std::endl;
+ f.close();
+}
+
+void Analyzer::plot_values(){
+ size_t i;
+ for (i = 0; i < cost.size(); ++i)
+ std::cout<<i<<" "<<cost.at(i)<<" "<<get_amortized_cost(i)<<std::endl;
+}
--
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