utils.hpp

Go to the documentation of this file.

 
#ifndef __UTILS__
#define __UTILS__
 
#include <armadillo>
#include <iomanip>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <vector>
 
#ifdef DBG
#define DEBUG(msg)                                                             \
    std::cout << __FILE__ << " " << __LINE__ << ": " << msg << std::endl
#else
#define DEBUG(msg)
#endif
 
#define __METHOD_NAME__ details::methodName(__PRETTY_FUNCTION__)
 
namespace details {
inline std::string methodName(const std::string &pretty_function)
{
    size_t colons = pretty_function.find("::");
    size_t begin = pretty_function.substr(0, colons).rfind(" ") + 1;
    size_t end = pretty_function.rfind("(") - begin;
 
    return pretty_function.substr(begin, end) + "()";
}
 
} // namespace details
 
namespace utils {
 
std::string scientific_format(double d, int width = 20, int prec = 10);
 
std::string scientific_format(const std::vector<double> &v, int width = 20,
                              int prec = 10);
 
bool mkpath(std::string path, int mode = 0777);
 
std::string dirname(const std::string &path);
 
std::string concatpath(const std::string &left, const std::string &right);
 
// A function that prints the structure of a sparse matrix to screen.
void print_sp_matrix_structure(const arma::sp_cx_mat &A);
 
// A function that splits a string using a delimiter
std::vector<std::string> split(const std::string &s, char delim);
 
// trim from left
std::string &ltrim(std::string &s, const char *t = " \t\n\r\f\v");
 
// trim from right
std::string &rtrim(std::string &s, const char *t = " \t\n\r\f\v");
 
// trim from left & right
std::string &trim(std::string &s, const char *t = " \t\n\r\f\v");
 
// copying versions
 
std::string ltrim_copy(std::string s, const char *t = " \t\n\r\f\v");
 
std::string rtrim_copy(std::string s, const char *t = " \t\n\r\f\v");
 
std::string trim_copy(std::string s, const char *t = " \t\n\r\f\v");
} // namespace utils
 
#endif