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[Bug libc/6981] __STDC_IEC_559__ should not be defined unconditionally
- From: "joseph at codesourcery dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Fri, 07 Feb 2014 17:14:07 +0000
- Subject: [Bug libc/6981] __STDC_IEC_559__ should not be defined unconditionally
- Auto-submitted: auto-generated
- References: <bug-6981-131 at http dot sourceware dot org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=6981
--- Comment #8 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
There would be no reason for F.6 and F.10.11 (in C11) if the intent wasn't
to support evaluation in wider types. DTS 18661-1 clarifies things
further and provides the previously missing bindings to operations without
wide evaluation (e.g. the new functions fadd and faddl (formatOf addition
of double / long double, rounding once to float) both serve also to
provide bindings for addition of two floats, returning a float without
excess range or precision, even if straight "+" operates in the range and
precision of long double).
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