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double precision

American  

noun

Computers.
  1. using twice the normal amount of storage, as two words rather than one, to represent a number.


Example Sentences

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The fastest U.S. supercomputer that is capable of doing nuclear weapons simulations called the Frontier at Oak Ridge National Laboratory breached the 1 exaflop performance based on 64 bit double precision format this year.

From Reuters • Nov. 14, 2022

The rules define a supercomputer as any system with 100 or more petaflops of so-called double precision computing power, or 200-plus petaflops of single precision computing power, within a 41,600 cubic feet area.

From Reuters • Oct. 7, 2022

A double precision compare should be accurate to 16 digits.

From Time Magazine Archive