extrag = tally_histogram(extra, HISTO_WIDTH, HISTO_HEIGHT);
hashg = tally_histogram(hash, HISTO_WIDTH, HISTO_HEIGHT);
uncoalg = tally_histogram(uncoal, HISTO_WIDTH, HISTO_HEIGHT);
extrag = tally_histogram(extra, HISTO_WIDTH, HISTO_HEIGHT);
hashg = tally_histogram(hash, HISTO_WIDTH, HISTO_HEIGHT);
uncoalg = tally_histogram(uncoal, HISTO_WIDTH, HISTO_HEIGHT);