[ODE] Cross-platform woes

[Hampus Soderstrom]

I have not tried myself.

It has been discussed on the mailinglist before.

do a google:
site:q12.org FPU

Please let us know if and how you succeed.


15 aug 2005 kl. 08.14 skrev Keith Johnston:

> No - I did not.  Is this something that must be done
> on windows, mac or both?
>
> --- Hampus Soderstrom <hampus at sxp.se> wrote:
>
>
>> Did you try resetting the FPU state?
>>
>> 15 aug 2005 kl. 06.33 skrev Keith Johnston:
>>
>>
>>> Having finally conquered repeatability on the PC
>>>
>> from
>>
>>> one simulation run to the next, I am now trying to
>>> make simulations on the PC and Mac run
>>>
>> *identically*.
>>
>>> I have tried truncating the physical properties to
>>>
>> 2
>>
>>> decimal places, but this has not solved the
>>>
>> problem.
>>
>>> The same initial conditions on a simulation on the
>>>
>> PC
>>
>>> and the Mac still diverge.
>>>
>>> Perhaps the only solution is to give up on Visual
>>>
>> C++
>>
>>> and use gcc on windows - that way at least I'd be
>>> using the same compiler on both operating systems.
>>> Currently we are using Xcode on the Mac and Visual
>>> Studio on windows.
>>>
>>> Has anyone ever gotten exactly the same simulation
>>> results on both Mac and PC?  How did you do it?
>>>
>>> Thanks,
>>> Keith
>>>
>>>
>>>
>>>
>>>
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>
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