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From: "cubbi at cubbi dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/64497] std::scalbln does not round correctly for long doubles Date: Tue, 06 Jan 2015 04:33:00 -0000 [thread overview] Message-ID: <bug-64497-4-BZv1uRnRau@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-64497-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64497 Sergey Zubkov <cubbi at cubbi dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |cubbi at cubbi dot org --- Comment #5 from Sergey Zubkov <cubbi at cubbi dot org> --- FYI, cppreference got that phrasing from POSIX's "If the correct value would cause underflow, and is representable, a range error may occur and the correct value shall be returned.", which is a part of its optional IEC 60559 Floating-Point extension to the C standard: http://pubs.opengroup.org/onlinepubs/9699919799/functions/scalbln.html
next prev parent reply other threads:[~2015-01-06 4:33 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-01-05 10:40 [Bug c++/64497] New: " walter.mascarenhas at gmail dot com 2015-01-05 12:29 ` [Bug c++/64497] " redi at gcc dot gnu.org 2015-01-05 13:11 ` walter.mascarenhas at gmail dot com 2015-01-05 14:07 ` redi at gcc dot gnu.org 2015-01-05 14:13 ` redi at gcc dot gnu.org 2015-01-06 4:33 ` cubbi at cubbi dot org [this message] 2015-01-06 9:07 ` jakub at gcc dot gnu.org
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