Changes: Development

General:

• Add PETSCPYTHONPATH to the generated $PETSC_DIR/$PETSC_ARCH/lib/petsc/conf/petscvariables file so it is available to users through the makefile system

• Add PETSCPYTHONPATH to the generated $PETSC_DIR/$PETSC_ARCH/lib/pkgconfig/PETSc.pc file so it is available to users with PKG_CONFIG_PATH=$PETSC_DIR/$PETSC_ARCH/lib/pkgconfig pkg-config --variable=PETSCPYTHONPATH PETSc.pc

Configure/Build:

Sys:

• Deprecate PetscSSEIsEnabled()

Event Logging:

PetscViewer:

• Add PetscViewerHDF5SetCompress() and PetscViewerHDF5GetCompress()

PetscDraw:

AO:

IS:

VecScatter / PetscSF:

PF:

Vec:

PetscSection:

PetscPartitioner:

Mat:

• Add MatConstantDiagonalGetConstant()

• Add MatNullSpaceRemoveFn type definition

• Add MatMFFDFn, MatMFFDiFn, MatMFFDiBaseFn, and MatMFFDCheckhFn type definitions

• Add MatFDColoringFn type definition

MatCoarsen:

PC:

• Add PCMatApplyTranspose()

• Remove PC_ApplyMultiple

KSP:

• Add MatLMVMGetLastUpdate()

• Add MatLMVMMultAlgorithm, MatLMVMSetMultAlgorithm(), and MatLMVMGetMultAlgorithm()

• Add MatLMVMSymBroydenGetPhi() and MatLMVMSymBroydenSetPhi()

• Add MatLMVMSymBadBroydenGetPsi() and MatLMVMSymBadBroydenSetPsi()

• Deprecate KSP_CONVERGED_RTOL_NORMAL in favor of KSP_CONVERGED_RTOL_NORMAL_EQUATIONS and KSP_CONVERGED_ATOL_NORMAL in favor of KSP_CONVERGED_ATOL_NORMAL_EQUATIONS

SNES:

SNESLineSearch:

TS:

TAO:

• Add TaoBRGNSetRegularizationType(), TaoBRGNGetRegularizationType()

PetscRegressor:

• Add new component to support regression and classification machine learning tasks: PetscRegressor: Regression Solvers

• Add PetscRegressor type PETSCREGRESSORLINEAR for solving linear regression problems with optional regularization

DM/DA:

• Add DMHasBound(), DM_BC_LOWER_BOUND and DM_BC_LOWER_BOUND

DMSwarm:

DMPlex:

• Add DMPlexGetTransform(), DMPlexSetTransform(), DMPlexGetSaveTransform(), and DMPlexSetSaveTransform()

• Add DMPlexGetCoordinateMap() and DMPlexSetCoordinateMap()

• Add DMPlexTransformCohesiveExtrudeGetUnsplit()

• Add DMFieldCreateDefaultFaceQuadrature()

• Rename DMPlexComputeResidual_Internal() to DMPlexComputeResidualForKey()

• Rename DMPlexComputeJacobian_Internal() to DMPlexComputeJacobianByKey()

• Rename DMPlexComputeJacobian_Action_Internal() to DMPlexComputeJacobianActionByKey()

• Rename DMPlexComputeResidual_Hybrid_Internal() to DMPlexComputeResidualHybridByKey()

• Rename DMPlexComputeJacobian_Hybrid_Internal() to DMPlexComputeJacobianHybridByKey()

• Add DMPlexInsertBounds()

FE/FV:

• Add PetscFEExpandFaceQuadrature()

DMNetwork:

DMStag:

DT:

• Deprecate PetscSimplePointFunc in favor of PetscSimplePointFn *

• Deprecate PetscPointFunc in favor of PetscPointFn *

• Deprecate PetscPointJac in favor of PetscPointJacFn *

• Deprecate PetscBdPointFunc in favor of PetscBdPointFn *

• Deprecate PetscBdPointJac in favor of PetscBdPointJacFn *

• Deprecate PetscRiemannFunc in favor of PetscRiemannFn *

• Deprecate PetscProbFunc in favor of PetscProbFn *

Fortran: