倍ばい精せい度ど

na-adjective, noun

double-precision

Technical term in computing and numerical analysis, referring to floating-point numbers with twice the precision of single-precision. Used as both a noun and adjectival noun.

• この計けい算さんには倍ばい精せい度どの浮ふ動どう小しょう数すう点てん数すうを使つかう必ひつ要ようがある。

  This calculation requires the use of double-precision floating-point numbers.

• 倍ばい精せい度どで演えん算ざんすると誤ご差さが小ちいさくなる。

  Performing operations in double precision reduces errors.