[Bug 1215354] Review Request: assimulo - Ordinary differential and differential algebraic equations solver

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https://bugzilla.redhat.com/show_bug.cgi?id=1215354



--- Comment #22 from Antonio Trande <anto.trande@xxxxxxxxx> ---
(In reply to Mukundan Ragavan from comment #20)
> This is the first patch that is applied for select architectures - 
> 
> --- assimulo/examples/mech_system_pendulum.orig.py	2014-07-17
> 12:40:10.000000000 +0200
> +++ assimulo/examples/mech_system_pendulum.py	2015-04-25 19:23:54.272276500
> +0200
> @@ -63,7 +63,7 @@
>      print(final_residual, 'Norm:  ', sl.norm(final_residual))
>      
>      if with_test:
> -        assert(sl.norm(final_residual) < 1.5e-2)
> +        assert(sl.norm(final_residual) < 1.5e-1)
>      if with_plots:
>          dae_pend.plot(mask=[1,1]+(len(my_pend.y0)-2)*[0]) 
>      return my_pend, dae_pend
> 
> 
> 
> I do not think I understand why this reduced tolerance is needed .. Can you
> please explain?

Because that test failed on PPC, like this one: 
https://trac.jmodelica.org/assimulo/ticket/239

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