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Re: Draft C bindings for IEEE 754-2008 part 4 now available
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: Florian Weimer <fweimer at redhat dot com>
- Cc: <gcc at gcc dot gnu dot org>, <libc-alpha at sourceware dot org>
- Date: Tue, 7 Jan 2014 14:48:01 +0000
- Subject: Re: Draft C bindings for IEEE 754-2008 part 4 now available
- Authentication-results: sourceware.org; auth=none
- References: <Pine dot LNX dot 4 dot 64 dot 1401041812480 dot 26743 at digraph dot polyomino dot org dot uk> <52CBD17A dot 50403 at redhat dot com> <Pine dot LNX dot 4 dot 64 dot 1401071428040 dot 18708 at digraph dot polyomino dot org dot uk>
On Tue, 7 Jan 2014, Joseph S. Myers wrote:
> The IEEE 754 operations are corrected rounded. However, the C bindings
(Except that the IEEE 754 reduction operations - subclause 9.4 - return
"an implementation-defined approximation". But 9.2 is "Recommended
correctly rounded functions", e.g. exp and sin, for which the strictly
corresponding C functions are crexp and crsin.)
--
Joseph S. Myers
joseph@codesourcery.com