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append to dt_updates. #7226

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Merged
JustinRayAngus merged 2 commits into from
Aug 31, 2026
Merged

append to dt_updates. #7226

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eb0bd3a
append to dt_updates.
JustinRayAngus Aug 31, 2026
49a8fff
clean up logic.
JustinRayAngus Aug 31, 2026
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48 changes: 24 additions & 24 deletions Source/Evolve/WarpXComputeDt.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -236,33 +236,33 @@ WarpX::WriteDtUpdateFileHeader ()
const bool IsNotRestart = restart_chkfile.empty();

// If not a restart, discard the file if already exists.
auto file_mode = std::ofstream::out;
if (IsNotRestart) { file_mode |= std::ofstream::trunc; }

std::ofstream diagnostic_file{m_dt_update_diagnostic_file, file_mode};
if (!diagnostic_file.is_open()) {
amrex::Abort("Failed to open file: " + m_dt_update_diagnostic_file);
}

int c = 0;
diagnostic_file << "#";
diagnostic_file << "[" << c++ << "]step()";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]time(s)";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]new_dt";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]vmax_dt";
if (m_max_omegap_dt.has_value()) {
if (IsNotRestart) {
auto file_mode = std::ofstream::out | std::ofstream::trunc;
std::ofstream diagnostic_file{m_dt_update_diagnostic_file, file_mode};
if (!diagnostic_file.is_open()) {
amrex::Abort("Failed to open file: " + m_dt_update_diagnostic_file);
}

int c = 0;
diagnostic_file << "#";
diagnostic_file << "[" << c++ << "]step()";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]omegap_dt";
}
if (m_max_omegac_dt.has_value()) {
diagnostic_file << "[" << c++ << "]time(s)";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]omegac_dt";
diagnostic_file << "[" << c++ << "]new_dt";
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]vmax_dt";
if (m_max_omegap_dt.has_value()) {
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]omegap_dt";
}
if (m_max_omegac_dt.has_value()) {
diagnostic_file << " ";
diagnostic_file << "[" << c++ << "]omegac_dt";
}
diagnostic_file << "\n";
diagnostic_file.close();
}
diagnostic_file << "\n";
diagnostic_file.close();
}

}
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