Experimental C features
The C standards committee publishes experimental C language and library extensions for future standardization.
Note: until 2012, these publications used the TR (technical report) format. Since 2012 ISO procedure changed to use the TS (technical specification) format.
| ISO number | Name | Status | links |
|---|---|---|---|
|
ISO/IEC TR
19769:2004 |
Extensions to support new character data types |
Published (
ISO store
)
Final draft:
N1040
(2003-11-07)
|
|
|
ISO/IEC TR
24731-1:2007 |
Bounds-checking interfaces |
Published (
ISO store
)
Final draft:
N1225
(2007-03-28)
|
|
| ISO/IEC TR 18037:2008 | Extensions to support embedded processors |
Published (
ISO store
)
Final draft: N1169 (2006-04-04) |
|
|
ISO/IEC TR
24732:2009 |
Extensions to support decimal floating-point arithmetic |
Published (
ISO store
)
Final draft:
N1312
(2008-05-16)
|
|
|
ISO/IEC
24747:2009 |
Extensions to support mathematical special functions |
Published (
ISO store
)
Draft: N1182 (2006-08-02) |
|
|
ISO/IEC TR
24731-2:2010 |
Extensions to support dynamic allocation functions |
Published 2010-11-24 (
ISO store
)
Draft: N1388 (2009-06-01) |
dynamic |
|
ISO/IEC TS
17961:2013 |
Secure coding rules |
Published 2013-11-15 (
ISO store
)
Draft:
N1718
(2013-05-30)
|
|
|
ISO/IEC TS
18661-1:2014 |
Floating-point extensions: Binary floating-point arithmetic |
Published 2014-07-21 (
ISO store
) Draft:
N1778
(2013-11-05).
C2x draft: N2314 (2018-11-12) ✔ Merged into C23. |
fpext1 |
|
ISO/IEC TS
18661-2:2015 |
Floating-point extensions: Decimal floating-point arithmetic |
Published 2015-02-11, Revised 2015-05-18 (
ISO store
).
C2x draft: N2341 (2019-02-26) ✔ Merged into C23. |
|
|
ISO/IEC TS
18661-3:2015 |
Floating-point extensions: Interchange and extended types |
Published 2015-10-06 (
ISO store
). Draft:
N1945
(2015-06-10).
C2x draft: N2601 (2020-10-15) ✔ Merged into C23. |
|
|
ISO/IEC TS
18661-4:2015 |
Floating-point extensions: Supplementary functions |
Published 2015-10-06 (
ISO store
). Draft:
N1950
(2015-06-10).
C2x draft: N2401 (2019-06-23) ✔ Partially merged into C23. |
fpext4 |
| ISO/IEC TS 18661-5:2016 | Floating-point extensions: Supplementary attributes | Published 2016-08-11 ( ISO store ) Draft: N2004 (2016-03-07) | |
| ISO/IEC TR 24772-3:2020 | Vulnerability descriptions for the programming language C | Published 2020-05-20 ( ISO store ) Draft: N2169 (2017-04-07) | |
| Transactional Memory TS | Early draft: N1961 (2015-09-23) | ||
|
ISO/IEC TS
17961:xxxx |
Secure coding rules part 2 | Early development, estimated publication 2023, possibly as an IS rather than TS | |
| ISO/IEC CD TS 6010 | A Provenance-aware Memory Object Model for C | Draft: N3226 (2024-03-24) | |
| ISO/IEC TS 21938-1 | Parallel extensions part 1: Thread-based parallelism |
Early draft:
N2170
(2017-09-21)
× (Abandoned) |
|
| Parallel extensions part 2: Vector-based parallelism |
Early partial draft:
N2081
(2016-09-15)
× (Abandoned) |
See also
|
C++ documentation
for
Experimental C++ features
|