Definition of double precision in English:

double precision


mass nounComputing
  • The use of twice the usual number of bits to represent a number, giving greater arithmetic accuracy.

    as modifier ‘run on a computer in double-precision arithmetic’
    • ‘My binary math is a little rusty, but that limit seems to correspond to 32-bit double precision real arithmetic.’
    • ‘When writing software, this can be achieved by using statistical software or a programming language offering double precision rather than a spreadsheet, and by obtaining error estimates using the methods reviewed in this paper.’
    • ‘The type is notorious because of its single precision overflow behavior, so most people end up using even when double precision is not required.’
    • ‘The calculations were performed by a Fortran program with double precision.’
    • ‘All real variables in the program were declared as double precision.’


double precision