On Wed, Oct 31, 2012 at 04:52:19PM +0100, Tobias Burnus wrote:
> Tobias Burnus wrote:
> >libquadmath's math functions are based on (but not identical to)
> >GLIBC's sysdeps/ieee754/ldbl-128 functions. In the attached patch,
> >I have ported the bug fixes from GLIBC over to libquadmath.
> >Hopefully, the port is complete and correct.
>
> Slightly updated version, committed as Rev. 193037.
Thanks.
> Jakub suggested to use a modified version of GLIBC's test-ldouble.c,
> which I did. Before the patch, the result was (using the too strict
> sysdeps/x86_64/fpu/libm-test-ulps):
>
> 5644 test cases plus 4809 tests for exception flags executed.
> 815 errors occurred.
>
> With the GLIBC merge, it went down to 776 errors (and reduced ulp
> for some tests) - and with the sqrtq/csqrtq patch, the failure
> number went down to 708.
I think it would be nice if you also posted the changes you did to
test-ldouble.c and libm-test.inc, so that next time we could more easily
test it again.
Jakub
