标准摘要
[中文适用范围]： 本文档规定了编程语言 C 的扩展，以包含与 ISO/IEC 60559 中指定和推荐的操作相对应的功能，但 ISO/IEC 9899:2024（也称为 C23）不支持该功能。 [外文原描述]： This document specifies extensions to programming language C to include functions corresponding to operations specified and recommended in ISO/IEC 60559, but not supported in ISO/IEC 9899:2024 (also referred to as C23).
英文名称Programming languages, their environments, and system software interfaces - Floating-point extensions for C - Part 4: Supplementary functions