The hardware implementations often have problems: http://randomascii.wordpress.com/2014/10/09/intel-underestimates-error-bounds-by-1-3-quintillion/ http://rando

The hardware implementations often have problems: http://randomascii.wordpress.com/2014/10/09/intel-underestimates-error-bounds-by-1-3-quintillion/ http://randomascii.wordpress.com/2014/10/09/intel-underestim...