noun
extended precision floating point number
Technical computing term; refers to a floating-point format with higher precision than the standard single or double precision, often used in scientific or financial calculations.
このプロセッサは拡張精度浮動小数点数をハードウェアでサポートしている。
This processor supports extended precision floating point numbers in hardware.
General term for floating point number; 拡張精度浮動小数点数 specifically denotes an extended precision variant.
Single precision floating point number, typically 32-bit; 拡張精度浮動小数点数 offers higher precision.
Double precision floating point number, typically 64-bit; 拡張精度浮動小数点数 may refer to 80-bit or other extended formats.
Compound of 拡張 (extension) + 精度 (precision) + 浮動小数点数 (floating point number). A direct technical calque from English 'extended precision floating point number'.