CSV.hpp

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#ifndef MEDUSA_BITS_IO_CSV_HPP_
#define MEDUSA_BITS_IO_CSV_HPP_
 
#include "CSV_fwd.hpp"
#include <fstream>
#include <cstring>
#include <exception>
#include <string>
#include <iomanip>
 
namespace mm {
 
template <typename arr_t>
void CSV::write(const std::string& filename, const arr_t& array) {
    std::ofstream f(filename);
    assert_msg(f.good(), "Error opening CSV file '%s': %s.", filename, strerror(errno));
    f << std::setprecision(16);
    for (const auto& x : array) {
        f << x << '\n';
    }
}
 
template <typename arr_t>
void CSV::write2d(const std::string& filename, const arr_t& array, char separator) {
    std::ofstream f(filename);
    assert_msg(f.good(), "Error opening CSV file '%s': %s.", filename, strerror(errno));
    f << std::setprecision(16);
    for (const auto& x : array) {
        bool first = true;
        for (const auto& y : x) {
            if (!first) f << separator;
            else first = false;
            f << y;
        }
        f << '\n';
    }
}
 
}  // namespace mm
 
#endif  // MEDUSA_BITS_IO_CSV_HPP_