Date: Fri, 12 Jul 2013 11:16:46 -0500 From: Scot Hetzel <swhetzel@gmail.com> To: David Chisnall <theraven@freebsd.org> Cc: FreeBSD CURRENT <freebsd-current@freebsd.org>, Garrett Wollman <wollman@csail.mit.edu>, "freebsd-toolchain@FreeBSD.org" <freebsd-toolchain@freebsd.org>, Bruce Evans <brde@optusnet.com.au>, Tijl Coosemans <tijl@freebsd.org>, "freebsd-standards@FreeBSD.org" <freebsd-standards@freebsd.org> Subject: Re: CURRENT: CLANG 3.3 and -stad=c++11 and -stdlib=libc++: isnan()/isninf() oddity Message-ID: <CACdU%2Bf9RmwxSiMEjOwSXHtnDwKk4xY8fmA3aBE5mzrVUkrc1Nw@mail.gmail.com> In-Reply-To: <C00DFA94-6182-4334-9C90-8012E576E475@FreeBSD.org> References: <20130710155809.0f589c22@thor.walstatt.dyndns.org> <CD51F125-AE9E-4461-916D-CF583002B47D@FreeBSD.org> <20130710183315.725dfde0@thor.walstatt.dyndns.org> <C8C94CF2-7D5A-471B-AD63-8E961AED6274@FreeBSD.org> <20130710203200.5359fd18@thor.walstatt.dyndns.org> <51DDC04B.6040209@FreeBSD.org> <20957.49978.73666.392417@khavrinen.csail.mit.edu> <20130711130043.R920@besplex.bde.org> <FD768A6B-8B72-44A1-BC1C-14FF44CB4643@FreeBSD.org> <20130711202908.L84170@besplex.bde.org> <C00DFA94-6182-4334-9C90-8012E576E475@FreeBSD.org>
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On Thu, Jul 11, 2013 at 9:33 AM, David Chisnall <theraven@freebsd.org> wrote: > On 11 Jul 2013, at 13:11, Bruce Evans <brde@optusnet.com.au> wrote: > >> The error message for the __builtin_isnan() version is slightly better up >> to where it says more. >> >> The less-unportable macro can do more classification and detect problems >> at compile time using __typeof(). > > The attached patch fixes the related test cases in the libc++ test suite. Please review. > #define fpclassify(x) \ - ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \ - : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \ - : __fpclassifyl(x)) + __fp_type_select(x, __fpclassifyf, __fpclassifyd, __fpclassifyd) The last __fpclassifyd should be __fpclassifyl. -- DISCLAIMER: No electrons were maimed while sending this message. Only slightly bruised.
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