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On 10/21/2016 06:12 PM, Joseph Myers wrote:
On Fri, 21 Oct 2016, Florian Weimer wrote:Tested on x86_64, ppc64, ppc64le, s390x, aarch64. I'm not sure if the new test is particularly meaningful, but at least it catches syntax errors in <math.h>.This seems fine to me (with negative zero included in the testcase),
Oh. How do I get a negative zero? Would T{-0.0} be sufficient? Or should I divide the negative denormal with the smallest absolute value by two?
and in accordance with how C++ defines bindings for C99 macros such as infinite. I presume you're deliberately leaving it to future libstdc++ versions to handle the other is* macros from TS 18661-1 if they get into C2x and then into C++, as you haven't observed them causing problems for C++ code at present.
Right, I want to keep the difference between the C and C++ versions to a minimum, and only address problems we've seen so far.
Thanks, Florian
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