[PATCH] Fix for ldbl-128ibm acosl/asinl inaccuracies

[Adhemerval Zanella]

On 05/06/2012 09:20 AM, Joseph S. Myers wrote:
> On Wed, 2 May 2012, Adhemerval Zanella wrote:
>
>> 2012-05-02  Adhemerval Zanella  <azanella@linux.vnet.ibm.com>
>>
>> 	* sysdeps/ieee754/ldbl-128ibm/e_acosl.c: Fix long double comparison
>> 	inaccuracies.
>> 	* sysdeps/ieee754/ldbl-128ibm/e_asinl.c: Likewise.
>> 	* sysdeps/powerpc/fpu/libm-test-ulps: Update. 
> There's an open bug (bug 13563) for ldbl-128ibm asinl inaccuracy.  Does 
> this patch fix that bug?
>
> If it fixes the bug, you should:
>
> * Add any relevant testcases from that bug to the testsuite.
>
> * Add the bug number to the ChangeLog for your patch fixing it, and to the 
> list of fixed bugs in NEWS.
>
> * Close the bug as fixed.
>
I'll check if it fixes, but I wasn't aware of the bug report. I create the
patch to fix make check issues after commit 'adfbc8ac9e192b6e3007f7a47852df937afa2145'
(Fix x86 acos near 1) and 5ba3cc691c856e5c67a7d4cd4713f20a79f7ba81
(Fix acos (-1) in round-downwards mode on x86).


-- 
Adhemerval Zanella Netto
  Software Engineer
  Linux Technology Center Brazil
  Toolchain / GLIBC on Power Architecture
  azanella@linux.vnet.ibm.com / azanella@br.ibm.com
  +55 61 8642-9890