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Am 01.02.2013 17:14, schrieb calhjh:
> clipka <ano### [at] anonymous org> wrote:
>> Am 13.12.2012 08:52, schrieb clipka:
>>> Am 13.12.2012 00:24, schrieb clipka:
>>>
>>>> Apparently the problems are related to the -ffast-math compiler option;
>>>> I'll try whether turning that off will help.
>>>
>>> Well, no, not really. No success, except that now the color of the
>>> artifacts is inverted.
>>
>> Turning off /all/ optimizations does give the expected results. I don't
>> consider this an option though, so I guess we'll have to wait for
>> feedback from the raspbian team.
>
> I just compiled 3.6 on the Raspberry Pi and it has the same issues.
I would have expected that. The Pi seems to have a general problem with
denormalized (i.e. very small) single-precision floating point values.
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