PCMGSetResidualTranspose#

Sets the function to be used to calculate the residual of the transposed linear system on the lth level.

Synopsis#

#include "petscksp.h" 
PetscErrorCode PCMGSetResidualTranspose(PC pc, PetscInt l, PetscErrorCode (*residualt)(Mat, Vec, Vec, Vec), Mat mat)

Logically Collective

Input Parameters#

pc - the multigrid context
l - the level (0 is coarsest) to supply
residualt - function used to form transpose of residual, if none is provided the previously provide one is used, if no previous one were provided then a default is used
mat - matrix associated with residual

See Also#

PCMG, PCMGResidualTransposeDefault()

Level#

advanced

Location#

src/ksp/pc/impls/mg/mgfunc.c

Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages