utils.h File Reference

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <set>
#include <tuple>
#include <math.h>
#include <Eigen/Dense>
#include <gsl/gsl>
#include <cosan/base/CosanBO.h>

Go to the source code of this file.

Namespaces
	Cosan

Functions
template<Numeric NumericType>
NumericType	Cosan::StringToNum (const std::string &arg, std::size_t *pos=0)
	General string to number conversion function. More...
template<typename Matrix >
Matrix	load_csv1 (const std::string &path)
template<typename Matrix >
void	save_csv (const std::string &path, const Matrix &matrix)

Function Documentation

load_csv1()

template<typename Matrix >

Matrix load_csv1

(

const std::string &

path

)

Definition at line 55 of file utils.h.

                                          {
    std::ifstream indata;
 
    indata.open(path);
    std::string line;
    std::vector<double> values;
    gsl::index rows = 0;
    while (std::getline(indata, line)) {
        std::stringstream lineStream(line);
        std::string cell;
        while (getline(lineStream, cell, ',')) {
            values.push_back(stod(cell));
        }
        ++rows;
    }
 
    return Eigen::Map<const Eigen::Matrix<typename Matrix::Scalar, Matrix::RowsAtCompileTime, Matrix::ColsAtCompileTime, Eigen::RowMajor> >(values.data(), rows, values.size()/rows);
}

save_csv()

template<typename Matrix >

void save_csv	(	const std::string &	path,
		const Matrix &	matrix
	)

Definition at line 76 of file utils.h.

                                                            {
//    if (path.substr(path.size()-4)!=".csv"){
//        path.append(".csv");
//    }
    std::ofstream file(path,std::ios::out);
    if (file.is_open()){
        Eigen::IOFormat csvFmt(Eigen::FullPrecision,0,",");
        file<<matrix.format(csvFmt);
        file.close();
    }
}