utils.hpp

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#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 ASSERT(expr, msg) m_assert(expr, #expr, __METHOD_NAME__, __FILE__, \
                                   __LINE__, msg)
 
#define __METHOD_NAME__ methodName(__PRETTY_FUNCTION__)
 
 
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);
 
 
void m_assert(bool expr, 
              std::string expr_str, 
              std::string func, 
              std::string file, 
              int line,
              std::string msg);
 
 
bool close_to(arma::vec &a, arma::vec &b, double tol=1e-8);
 
 
static 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) + "()";
}
 
 
bool mkpath(std::string path, int mode = 0777);
 
#endif