ffc team mailing list archive

[Anders Logg <logg@xxxxxxxxx>]

On Mon, Apr 20, 2009 at 06:38:47PM +0100, Garth N. Wells wrote:
> 
> 
> Anders Logg wrote:
> > On Mon, Apr 20, 2009 at 11:26:40AM +0200, Kristian Oelgaard wrote:
> >> Quoting Anders Logg <logg@xxxxxxxxx>:
> >>
> >>> I tried to use the new UFL function estimate_max_polynomial_degree
> >>> but the results seem to be incorrect for quadrature representation.
> >>> (Or the references are wrong which I doubt.)
> >>>
> >>> Kristian, can you take a look at this?
> >>>
> >>> Try running the test in simple_verify_tensors. It reports the
> >>> following errors:
> >>>
> >>> FunctionOperatorsBilinearForm_cell_integral_0:      *** (diff = 0.010098)
> >>> MassBilinearForm_cell_integral_0:                   *** (diff = 1e-09)
> >>> NeumannProblemLinearForm_cell_integral_0:           *** (diff = 0.0029685)
> >>> NeumannProblemLinearForm_exterior_facet_integral_0: *** (diff = 0.00292)
> >>> OptimizationBilinearForm_cell_integral_0:           *** (diff = 2.19169)
> >>> PoissonDGBilinearForm_interior_facet_integral_0:    *** (diff = 0.3504)
> >>> PoissonSystemLinearForm_cell_integral_0:            *** (diff = 0.0029685)
> >>> QuadratureElementBilinearForm_cell_integral_0:      *** (diff = 0.249892)
> >>> QuadratureElementLinearForm_cell_integral_0:        *** (diff = 0.10106)
> >>> StokesLinearForm_cell_integral_0:                   *** (diff = 0.00140453)
> >> This should be fixed now such that we only get the expected differences.
> >>
> >> Kristian
> > 
> > Garth, can you check that the example you had works now?
> >
> 
> The debugging output that I was looking at has changed (a day or two ago 
> 'dx(0, .... degree) was printed to the screen). If the current debug 
> line 'q = XX' is the polynomial order of the form, then for the tests 
> that I made it is working correctlt.

Yes, that's the polynomial degree. I left it in there while debugging.
The debugging output will be cleaned up as well.

> > Then we can go ahead and remove the old stuff.

I inperpret this as everything set for starting to break compatibility
with the old .form format.

> Very good. Remember that the option '-O' should be used in combination 
> with the quadrature representation (which is the default representation).

What do you mean? Should optimization be enabled by default?

-- 
Anders

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