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Make geometry.dims abort message more user-friendly #4459

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Dec 1, 2023
Merged

Make geometry.dims abort message more user-friendly #4459

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12 changes: 9 additions & 3 deletions Source/Utils/WarpXUtil.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -289,11 +289,17 @@ void CheckDims ()
#endif
const ParmParse pp_geometry("geometry");
std::string dims;
pp_geometry.get("dims", dims);
std::string dims_error = "The selected WarpX executable was built as '";
dims_error.append(dims_compiled).append("'-dimensional, but the ");
dims_error.append("inputs file declares 'geometry.dims = ").append(dims).append("'.\n");
dims_error.append("Please re-compile with a different WarpX_DIMS option or select the right executable name.");
if (pp_geometry.contains("dims")) {
pp_geometry.get("dims", dims);
dims_error.append("inputs file declares 'geometry.dims = ").append(dims).append("'.\n");
dims_error.append("Please re-compile with a different WarpX_DIMS option or select the right executable name.");
} else {
dims = "Not specified";
dims_error.append("inputs file does not declare 'geometry.dims'. Please add 'geometry.dims = ");
dims_error.append(dims_compiled).append("' to inputs file.");
}
WARPX_ALWAYS_ASSERT_WITH_MESSAGE(dims == dims_compiled, dims_error);
}

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