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ISO/IEC 24747:2009

Information technology — Programming languages, their environments and system software interfaces — Extensions to the C Library to support mathematical special functions

Publication date:   Jan 5, 2009

General information

90.93   Standard confirmed   Sep 3, 2026

ISO/IEC

ISO/IEC JTC 1/SC 22 Programming languages, their environments and system software interfaces

International Standard

35.060   Languages used in information technology

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Scope

ISO/IEC 24747:2009 defines extensions to the C Standard Library that is defined in the International Standard for the C programming language (ISO/IEC 9899). Unless otherwise specified, the whole of the C Standard Library is included in ISO/IEC 24747:2009 by reference.
ISO/IEC 24747:2009 defines library extensions to the C Standard Library to support Mathematical Special functions to be added to <math.h> and <tgmath.h>.

Life cycle

NOW

PUBLISHED
ISO/IEC 24747:2009
90.93 Standard confirmed
Sep 3, 2026