noun
double-precision floating point
Technical computing term for a floating-point number format that uses twice the storage of single precision, providing greater accuracy.
この計算には倍精度浮動小数点が必要です。
This calculation requires double-precision floating point.
Single-precision floating point; uses half the bits of double precision, resulting in lower accuracy but faster computation.
Compound of 倍精度 (double precision) + 浮動小数点 (floating point), a direct calque from English computing terminology.