Re: IEEE's NaN names

alan@bernie.sal.wisc.edu (Alan Watson)
Sun, 26 Jun 1994 20:42:19 GMT

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Newsgroups: comp.compilers
From: alan@bernie.sal.wisc.edu (Alan Watson)
Keywords: C, arithmetic
Organization: Compilers Central
References: 94-06-180
Date: Sun, 26 Jun 1994 20:42:19 GMT

The Moderator Mumbles:
>[The IEEE standard doesn't name them. The NCEG group, now part of X3J11,
>has a floating point C extensions proposal out that uses the names FLT_MIN,
>FLT_MAX, FLT_EPSILON in a new <float.h> header. -John]


FLT_MAX, FLT_MIN, and FLT_EPSILON (and their DBL_ and LDBL_
equivalents) in <float.h> are already part of ISO/ANSI C (section
5.2.4.2.2).


FLT_MIN is, however, currently defined to be the `minimum NORMALIZED
positive floating-point number' (emphasis mine).


--
Alan Watson
alan@oldp.astro.wisc.edu
Department of Astronomy
University of Wisconsin -- Madison
--

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