Re: manipulating FPU rounding modes on alpha

[Joachim Reichel <joachim.reichel@gmx.de>]

Hi,

>> I have no clue how to debug this problem. The test works if the package
>> is build manually, but fails on the buildd (ds10). I have no experience
>> with alpha and don't know how to track this down.

> Is this possibly a result of the switch to ldbl128 that happened around
> the end of may/beginning of june on alpha, powerpc, sparc and s390?
> This is where 'long double' changed from being 64bit to being 128bit.
> After you start to support 128bit floating point numbers, rounding might
> be affected on things that expect only 64bit.

I doubt that this is the cause. Note that it works with the newer libc6
while it fails on the machine with the older version. If the transition
is the cause, it should be the other way round.

By the way, the test uses only doubles.

Joachim