PCSchurSetGradientOperator
his function sets the operator and its transpose, which define the constraint manifold in the saddle-point problem. For instance, in the Stokes problem, this operator is the gradient, and its transpose is the divergence. It must be called prior to PCSetUp().
Synopsis
#include "pc.h"
int PCSchurSetGradientOperator(PC pc, int gradOp, int divOp)
Collective on PC
Input Parameters
| pc | - The preconditioner context
|
| gradOp | - The gradient operator
|
| divOp | - The divergence operator
|
Keywords
schur, set, gradient
See Also
PCSchurGetIterationNumber()
Level:intermediate
Location:src/sles/pc/impls/schur/schur.c
Index of all PC routines
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Index of all manual pages