CURRENT: CLANG 3.3 and -stad=c++11 and -stdlib=libc++: isnan()/isninf() oddity
swhetzel at gmail.com
Fri Jul 12 17:13:59 UTC 2013
On Fri, Jul 12, 2013 at 11:16 AM, Scot Hetzel <swhetzel at gmail.com> wrote:
> On Thu, Jul 11, 2013 at 9:33 AM, David Chisnall <theraven at freebsd.org> wrote:
>> On 11 Jul 2013, at 13:11, Bruce Evans <brde at 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.
I see it has already been fixed.
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