NaN (English Wikipedia)

IEEE 754 2019, §5.11 IEEE Computer Society (22 July 2019). IEEE Standard for Floating-Point Arithmetic. IEEE. pp. 1–84. doi:10.1109/IEEESTD.2019.8766229. ISBN 978-1-5044-5924-2. IEEE Std 754-2019.
IEEE 754 2019, §9.7 IEEE Computer Society (22 July 2019). IEEE Standard for Floating-Point Arithmetic. IEEE. pp. 1–84. doi:10.1109/IEEESTD.2019.8766229. ISBN 978-1-5044-5924-2. IEEE Std 754-2019.
IEEE 754 2019, §3.4 IEEE Computer Society (22 July 2019). IEEE Standard for Floating-Point Arithmetic. IEEE. pp. 1–84. doi:10.1109/IEEESTD.2019.8766229. ISBN 978-1-5044-5924-2. IEEE Std 754-2019.
IEEE 754 2019, §6.2.1 IEEE Computer Society (22 July 2019). IEEE Standard for Floating-Point Arithmetic. IEEE. pp. 1–84. doi:10.1109/IEEESTD.2019.8766229. ISBN 978-1-5044-5924-2. IEEE Std 754-2019.
IEEE 754 2019, §3.5.2 IEEE Computer Society (22 July 2019). IEEE Standard for Floating-Point Arithmetic. IEEE. pp. 1–84. doi:10.1109/IEEESTD.2019.8766229. ISBN 978-1-5044-5924-2. IEEE Std 754-2019.

five-embeddev.com (Global: low place; English: low place)

Embeddev, Five. ""F" Standard Extension for Single-Precision Floating-Point, Version 2.2 / RISC-V Instruction Set Manual, Volume I: RISC-V User-Level ISA". Five EmbedDev.

github.com (Global: 380^th place; English: 337^th place)

"What is the motivation for 'NaN' canonicalization? · Issue #1463 · WebAssembly/design". GitHub. – see response by Dan Gohman "sunfishcode"

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grouper.ieee.org

David H.C. Chen (21 February 2017). "The Removal/Demotion of MinNum and MaxNum Operations from IEEE 754-2018" (PDF). Retrieved 6 May 2019.
"Background discussion for the new Payload functions".
"IEEE Standard for Floating-Point Arithmetic revision due in 2019" (PDF).
"Re: (long) sNaNs not what they could be..." IEEE. 15 October 2010. Retrieved 5 November 2020.
- Fog, Agner (11 April 2018). "NaN payload propagation - unresolved issues" (PDF).
imgtec.com (Global: low place; English: low place)
cdn2.imgtec.com
- "MIPS Architecture For Programmers – Volume I-A: Introduction to the MIPS64 Architecture" (PDF). MIPS Technologies, Inc. 20 November 2013. p. 79. Archived from the original (PDF) on 28 September 2017. Retrieved 27 September 2017.
intel.com (Global: 1,727^th place; English: 1,234^th place)
- "Intel 64 and IA-32 Architectures Software Developer's Manual Volume 1: Basic Architecture". April 2008. pp. 118–125, 266–267, 334–335.
open-std.org (Global: 7,079^th place; English: 5,042^nd place)
- "Rationale for International Standard—Programming Languages—C, Revision 5.10" (PDF). April 2003. p. 180.
oracle.com (Global: 2,532^nd place; English: 1,847^th place)
docs.oracle.com
- "Chapter 4. Types, Values, and Variables". docs.oracle.com. For the most part, the Java SE platform treats NaN values of a given type as though collapsed into a single canonical value, and hence this specification normally refers to an arbitrary NaN as though to a canonical value.
- "ArithmeticException (Java Platform SE 8)". docs.oracle.com.
perl.org (Global: low place; English: low place)
perldoc.perl.org
- "Math::BigInt". perldoc.perl.org. Retrieved 12 June 2015.
posithub.org (Global: low place; English: low place)
- Standard for Posit Arithmetic (2022)
psu.edu (Global: 299^th place; English: 159^th place)
citeseer.ist.psu.edu
- David Goldberg (1991). "What Every Computer Scientist Should Know About Floating-Point".{{cite web}}: CS1 maint: miscellaneous url (link)
sourceware.org (Global: low place; English: low place)
- "Parsing of Floats (The GNU C Library)". sourceware.org. Retrieved 1 October 2025. If chars… are provided, they are used in some unspecified fashion to select a particular representation of NaN (there can be several).
tc39.es (Global: low place; English: low place)
- "ECMAScript® 2026 Language Specification - 6.1.6.1 The Number Type". tc39.es. In some implementations, external code might be able to detect a difference between various NaN values, but such behaviour is implementation-defined; to ECMAScript code, all NaN values are indistinguishable from each other.
ucbtest.org (Global: low place; English: low place)
754r.ucbtest.org
- "754R Minutes". 19 May 2017. Retrieved 25 June 2017.
web.archive.org (Global: 1^st place; English: 1^st place)
- "MIPS Architecture For Programmers – Volume I-A: Introduction to the MIPS64 Architecture" (PDF). MIPS Technologies, Inc. 20 November 2013. p. 79. Archived from the original (PDF) on 28 September 2017. Retrieved 27 September 2017.

NaN (English Wikipedia)

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