initial upload

archive/addnoise/addnoise.h

@@ -0,0 +1,125 @@
+#include "head.h"
+
+class addnoise
+{
+public:
+	addnoise(){}
+	~addnoise(){}
+	int runtine(char*,char*,char*,char*);
+	nodeArray readata(char*,char*);
+	int addNoise(char*);
+	int outRes(char*);
+private:
+	nodeArray data;
+	double noise_mean,noise_dev;
+};
+
+int addnoise::runtine(char* ifile,char* ofile,char* nos,char* col)
+{
+	data = readata(ifile,col);
+	if(data.empty()) return -1;
+	if (addNoise(nos)) return -1;
+	if (outRes(ofile)) return -1;
+	return 0;
+}
+
+nodeArray addnoise::readata(char* filename,char* order)
+{
+	int temp_int;
+	double temp_d;
+	nodeArray input_data;
+	node temp_node;
+	_1dArray tempRow;
+	_1iArray orders;
+	string temp_str;
+	stringstream temp_ss;
+
+	temp_ss.str("");
+	temp_ss.clear();
+	temp_ss << order;
+	temp_ss >> temp_str;
+	temp_str = replace_all(temp_str,","," ",temp_int);
+	temp_ss.str("");
+	temp_ss.clear();
+	temp_ss << temp_str;
+	while (temp_ss >> temp_int)
+	{
+		orders.push_back(temp_int);
+	}
+
+	//打开文件
+	ifstream datain;
+	if (open_infile(datain,filename)) return input_data;
+
+	//读入数据
+	while (getline(datain,temp_str))
+	{
+		if (*(temp_str.begin()) == '#') continue;
+		else
+		{
+			//读入行
+			temp_ss.str("");
+			temp_ss.clear();
+			temp_ss.str(temp_str);
+			//解析数据行
+			if(!tempRow.empty()) tempRow.clear();
+			while (temp_ss >> temp_d)
+			{
+				tempRow.push_back(temp_d);
+			}
+			if(!temp_node.val.empty()) temp_node.val.clear();
+			for (int i = 0; i < orders.size(); i++)
+			{
+				temp_node.val.push_back(tempRow.at(orders.at(i)));
+			}
+
+			input_data.push_back(temp_node);
+		}
+	}
+
+	datain.close();
+	return input_data;
+}
+
+int addnoise::addNoise(char* para)
+{
+	double noise_value;
+	if (2 != sscanf(para,"%lf/%lf",&noise_mean,&noise_dev))
+	{
+		cout << "error ==> wrong parameters: " << para << endl;
+		return -1;
+	}
+
+	//添加高斯噪声值
+	default_random_engine generator;
+	normal_distribution<double> dist(noise_mean, noise_dev);
+
+	for (int i = 0; i < data.size(); i++)
+	{
+		noise_value = dist(generator);
+		data.at(i).val.push_back(data.at(i).val.back()+noise_value);
+		data.at(i).val.push_back(noise_value);
+		data.at(i).val.push_back(noise_dev);
+	}
+	return 0;
+}
+
+int addnoise::outRes(char* filename)
+{
+	ofstream outfile;
+	if (open_outfile(outfile,filename)) return -1;
+
+	outfile << "# noise-mean = " << noise_mean << endl;
+	outfile << "# noise-deviation = " << noise_dev << endl;
+	outfile << "# <-- copied data --> input+noise noise dev" << endl;
+	for (int i = 0; i < data.size(); i++)
+	{
+		for (int j = 0; j < data.at(i).val.size(); j++)
+		{
+			outfile << data.at(i).val.at(j) << " ";
+		}
+		outfile << endl;
+	}
+	outfile.close();
+	return 0;
+}