as category header index matches read_name read_version readCategory readName readVersion size_in_file type update_checksums update_name update_version updateChecksums updateName updateVersion verify_checksums verifyChecksums

verify_checksums() void verify_checksums ( ) const Compute the HDU and data checksums and compare them to the values in the header. Exceptions ChecksumError if checksums values in header are missing or incorrect In case of error, a ChecksumError is thrown. The checksum records CHECKSUM and DATASUM can be missing or invalid. To get details on the error, ask the ChecksumError object itself: try { hdu.verify_checksums(); } catch (ChecksumError& e) { if (e.data == ChecksumError::Status::Missing) { // ... } } See also update_checksums()