非ひ正せい規き化か数すう

noun

subnormal number; denormal number

Technical term in computing (IEEE 754 floating-point). Refers to numbers too small to be represented in normal form, also called denormalized numbers.

• 非ひ正せい規き化か数すうは、浮ふ動どう小しょう数すう点てん演えん算ざんでアンダーフローを緩かん和わするために使つかわれる。

  Subnormal numbers are used to mitigate underflow in floating-point arithmetic.