| 435a35e8 | 26-Jun-2012 |
Matthew G Knepley <knepley@gmail.com> |
Changed DMDestroy to allow backend reference counting, Added DMCreateSubDM()
- Now DMCreateSubDM() can replace decompositions, and it is more flexible since it allows combinations of fields, and pass
Changed DMDestroy to allow backend reference counting, Added DMCreateSubDM()
- Now DMCreateSubDM() can replace decompositions, and it is more flexible since it allows combinations of fields, and passes null spaces
- Allow null space constructors for fields in the DM
- Added reference counting to DMComplex, which allows meshes to be shared among subdues
- Changed DMDestroy() so that impls destroy dm->data so it can be ref counted
- DMComplexClone() supports subdms
- Added PetscSectionCreateSubsection() for subdms
Hg-commit: c5f43df53c0b780431c93b4f8de6f822c8dd4c11
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| 7b6ad80c | 23-Jun-2012 |
Matthew G Knepley <knepley@gmail.com> |
Added reference counting to DM backends, DMCreateSubDM(), PetscSectionCreateSubSection()
- Ref counting allows us to have subDMs that shared a given unstructured mesh
- In order to support ref counti
Added reference counting to DM backends, DMCreateSubDM(), PetscSectionCreateSubSection()
- Ref counting allows us to have subDMs that shared a given unstructured mesh
- In order to support ref counting, I had to free the backend object in the backend
destroy rather than DMDestroy
- CreateSubDM() is intended to replace DMCreateDecomposition() since it allows
groups of fields to be specified, and handles nested null spaces
- Added DMComplexClone() to support subdms
- Subsections are created for subdms
- Now the DM can be given null space constructors for a given field
- Now DMCreateDecomposition() calls DMCreateSubDM() if possible instead of DMCreateFieldIS()
Hg-commit: b92720a77c43e08ef97eed85fb67b95557b6e828
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