2010/1/22 Marie Rognes <[email protected]>:
Summary of current status for non-mixed elements: - CG matches old results for (at least) k = 1, ..., 4, which is good :) Errors: (1) The generated code for evaluate_basis_derivatives_all for DG_0 does not compile.
I've fixed this.
Changes in output:
(i) num_sub_elements is 0 instead of 1 for all non-mixed elements
(ii) The ordering of the degrees of freedom for DG has changed. This affects
evaluate_dof, interpolate_vertex_value and tabulate_coordinates.
Hence, the output from these functions will not match reference. The results
look correct in the eye-norm though.
(iii) There is a bug in the ffc-stable codegenerator_utils.py
'inner_product' (-1*1 = 1)! This affects interpolate_vertex_values
for H(div/curl) elements (at least). The old values are wrong. The new
values look right.
(iv) FIAT has changed the dofs for interior moments for H(div/curl)
elements. This affects evaluate_dof, tabulate_coordinates etc.
Bottom-line: Things look good. I'll go through the higher-order H(div/curl)
elements in FIAT and add suitable unit tests.
For mixed elements such as
element = MixedElement([VectorElement('CG', 'triangle', 3),
FiniteElement('DG', 'triangle', 2)])
I'm still getting errors like:
Fixed. Kristian
This is FFC, the FEniCS Form Compiler, version 0.7.1. For further information, visit http://www.fenics.org/ffc/. Compiler stage 1: Analyzing form(s) ----------------------------------- Compiler stage 1 finished in 0.000413179 seconds. Compiler stage 2: Computing intermediate representation ------------------------------------------------------- Computing representation of 3 elements Reusing element from cache Reusing element from cache Reusing element from cache Reusing element from cache Traceback (most recent call last): File "/home/meg/local/bin/ffc", line 167, in <module> sys.exit(main(sys.argv[1:])) File "/home/meg/local/bin/ffc", line 151, in main compile_element(ufd.elements, ufd.object_names, prefix, options) File "/home/meg/local/lib64/python2.6/site-packages/ffc/compiler.py", line 181, in compile_element ir = compute_ir(analysis, options) File "/home/meg/local/lib64/python2.6/site-packages/ffc/representation.py", line 52, in compute_ir ir_elements = [_compute_element_ir(e, i, element_map) for (i, e) in enumerate(elements)] File "/home/meg/local/lib64/python2.6/site-packages/ffc/representation.py", line 92, in _compute_element_ir ir["create_sub_element"] = _create_sub_foo(ufl_element, element_map) File "/home/meg/local/lib64/python2.6/site-packages/ffc/representation.py", line 316, in _create_sub_foo return [element_map[e] for e in ufl_element.sub_elements()] KeyError: FiniteElement('Lagrange', Cell('triangle', 1, Space(2)), 3) -- Marie _______________________________________________ Mailing list: https://launchpad.net/~ffc Post to : [email protected] Unsubscribe : https://launchpad.net/~ffc More help : https://help.launchpad.net/ListHelp
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