petsc-3.11.4 2019-09-28
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The DMLABEL object is used to mark pieces of a mesh or DM, for example to indicate that a boundary condition should hold on that section. Markers are integers, so it can be seen as a multimap between integers and mesh pieces. Insertion is amortized O(1) since hash tables are used, but each bin is then sorted so that extraction into sorted levels is also O(1). The total cost should be O(N log N) for N entries.

Beginner - Basic usage
DMLabelAddStrata DMLabelCreate DMLabelReset
DMLabelAddStrataIS DMLabelDestroy DMLabelSetDefaultValue
DMLabelAddStratum DMLabelGetDefaultValue
Intermediate - Setting options for algorithms and data structures
DMLabelClearStratum DMLabelGetBounds DMLabelInsertIS
DMLabelClearValue DMLabelGetNumValues DMLabelPermute
DMLabelComputeIndex DMLabelGetStratumBounds DMLabelSetStratumIS
DMLabelCreateIndex DMLabelGetStratumIS DMLabelSetValue
DMLabelDestroyIndex DMLabelGetStratumSize DMLabelStratumHasPoint
DMLabelDistribute DMLabelGetValue DMLabelView
DMLabelDuplicate DMLabelGetValueIS
DMLabelFilter DMLabelHasStratum
No advanced routines
Developer - Interfaces intended primarily for library developers, not for typical applications programmers
DMLabelConvertToSection DMLabelHasValue PetscSectionSymLabelSetLabel
DMLabelGather PetscSectionCreateGlobalSectionLabel PetscSectionSymLabelSetStratum
DMLabelHasPoint PetscSectionSymCreateLabel
No deprecated routines

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