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