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||Programming languages , their environments and system software interfaces
NPR-ISO/IEC TS 18661-1 extends programming language C to support binary floating-point arithmetic conforming to ISO/IEC/IEEE 60559:2011. It covers all requirements of IEC 60559 as they pertain to C floating types that use IEC 60559 binary formats. This part of ISO/IEC TS 18661 does not cover decimal floating-point arithmetic, nor does it cover most optional features of IEC 60559. This part of ISO/IEC TS 18661 is primarily an update to IEC 9899:2011 (C11), normative Annex F (IEC 60559 floating-point arithmetic). However, it proposes that the new interfaces that are suitable for general implementations be added in the Library clauses of C11. Also it includes a few auxiliary changes in C11 where the specification is problematic for IEC 60559 support.
||Information technology - Programming languages, their environments, and system software interfaces - Floatingpoint extensions for C - Part 1: Binary floating-point arithmetic