[OE-core] libm accuracy, eglibc compared to glibc

[Mats Kärrman]

On Wednesday, March 12, 2014 7:09 PM, Khem Raj wrote:
> On Wed, Mar 12, 2014 at 8:30 AM, Mats Kärrman <Mats.Karrman at tritech.se> wrote:
>> I face a problem with libm. With my Dora build the following assertion doesn't hold:
>>
>> sqrt( pow( sqrt( 2.0 ), 4.0 ) ) == 2.0
>>
<snip>
>> Does anyone know if this is a known "feature" of eglibc or know any other reason
>> for this difference?
>>
> We have done changes since OE-Classic days in the FPU area for ppc.
> what ppc machine is it ? I have access to p2020 based machine (e500v2)
> and it works as expected with
> dora/eglibc-2.18

My machine is an e300c4.
I will try running the libm internal tests on my machine as Phil Blundell suggested.

BR // Mats