SparsityPatternBuilder

class dolfin.cpp.fem.SparsityPatternBuilder

Bases: object

This class provides functions to compute the sparsity pattern based on DOF maps

static build()

Build sparsity pattern for assembly of given form.

Parameters:

• & sparsity_pattern (SparsityPattern) –
• Mesh & mesh (const) –
• std::vector< const GenericDofMap * > dofmaps (const) –
• cells (bool) –
• interior_facets (bool) –
• exterior_facets (bool) –
• vertices (bool) –
• diagonal (bool) –
• init (bool) –
• finalize (bool) –

Return type:

void

static build_multimesh_sparsity_pattern()

Build sparsity pattern for assembly of given multimesh form.

Parameters:

• & sparsity_pattern (SparsityPattern) –
• MultiMeshForm & form (const) –

Return type:

void

thisown

The membership flag