NAME
Driver_driftBlock
DESCRIPTION
Register the content hash of the provided block data, if it is different from the last time this block was hashed then log it to file.
ARGUMENTS
src_file: source file location to log in case of changed hash src_line: source line location to log in case of changed hash blk: processor local block number ptr: block data to hash, all values will be hashed so this should not include guard cells gds: grid data struct type of data