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Re: Regarding chi2_quality.cc test in libstdc++-v3 testsuite for gcc
- From: Jonathan Wakely <jwakely dot gcc at gmail dot com>
- To: Renlin Li <renlin dot li at arm dot com>
- Cc: "libstdc++" <libstdc++ at gcc dot gnu dot org>, Matt Austern <austern at google dot com>
- Date: Wed, 30 Oct 2013 11:44:51 +0000
- Subject: Re: Regarding chi2_quality.cc test in libstdc++-v3 testsuite for gcc
- Authentication-results: sourceware.org; auth=none
- References: <5270E544 dot 9040807 at arm dot com>
On 30 October 2013 10:53, Renlin Li wrote:
>
> Has anyone noticed that, this test fails for 32bit architecture linking with
> glibc? The VERIFY statement ( VERIFY( chi2 < k*1.1 );) in
> test_uniform_random() and test_bit_flip_set() fail.
>
> I have tested it on x86_32 and arm-none-linux-eabi, they both fail with the
> same result. However it passes for x86_64 and aarch64-none-linux-gnu.
It passes for me on x86_64-unknown-linux-gnu when using -m32, and it
passes for i686-*-linux-gnu according to reports on the
gcc-testresults mailing list.