DoFTools::make_sparsity_pattern (saturation_dof_handler,
darcy_dof_handler, dsp,
saturation_constraints, false);
ssemble_matrix_H.reinit(dsp);
dealii is complaining and is saying
/home/franckm/apps/candi/deal.II-toolchain/deal.II-v8.4.0/include/deal.II/dofs/dof_tools.h:563:3:
note: template<class DoFHandlerType, class SparsityPatternType> void
dealii::DoFTools::make_sparsity_pattern(const DoFHandlerType&, const
DoFHandlerType&, SparsityPatternType&)
make_sparsity_pattern (const DoFHandlerType &dof_row,
^
/home/franckm/apps/candi/deal.II-toolchain/deal.II-v8.4.0/include/deal.II/dofs/dof_tools.h:563:3:
note: template argument deduction/substitution failed:
/home/franckm/candi-examples/step-43b/step-43b.cc:918:68: note:
candidate expects 3 arguments, 5 provided
saturation_constraints, false);
^
make[3]: *** [CMakeFiles/step-43b.dir/step-43b.cc.o] Error 1
The error is not surprising as there isn't a variant of
DoFTools::make_sparsity_pattern that takes two DoFHandlers.
There actually *is* a function that takes two DoFHandler objects, but it
doesn't take a constraint matrix or the last boolean argument. (The reason is
that if you consider different row and column spaces suggested by the two
DoFHandlers, you would also have to consider different constraints on rows and
columns; so, if that were implemented, there would need to be a function that
takes *two* ConstraintMatrix objects; but that isn't implemented -- the
function that is there assumes no constraints on either of the DoFs that form
the row and column spaces, and leaves it to you to later eliminate the
constraints you may have through other means.)
You can of course see what variants of the make_sparsity_pattern function
there are by looking here:
https://www.dealii.org/8.4.1/doxygen/deal.II/namespaceDoFTools.html
Best
W.
--
------------------------------------------------------------------------
Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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