TXTWriter.cpp

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#include "TXTWriter.hpp"
#include <iomanip>
#include "logging/LogMacros.hpp"
 
namespace precice::io {
 
TXTWriter::TXTWriter(
    const std::string &filename)
    : _file()
{
  _file.open(filename);
  PRECICE_CHECK(_file, "TXT writer failed to open file \"{}\"", filename);
 
  _file.setf(std::ios::showpoint);
  _file.setf(std::ios::fixed);
  _file << std::setprecision(16);
}
 
void TXTWriter::flush()
{
  _file.flush();
}
 
void TXTWriter::write(const Eigen::MatrixXd &matrix)
{
  for (long i = 0; i < matrix.rows(); i++) {
    for (long j = 0; j < matrix.cols(); j++) {
      _file << matrix(i, j) << ' ';
    }
  }
  _file << '\n';
}
 
} // namespace precice::io