petsc-3.8.4 2018-03-24
MatMFFDResetHHistory
Resets the counter to zero to begin collecting a new set of differencing histories.
Synopsis
#include "petscmat.h"
PetscErrorCode MatMFFDResetHHistory(Mat J)
Logically Collective on Mat
Input Parameters
J -the matrix-free matrix context
Notes
Use MatMFFDSetHHistory() to create the original history counter.
Keywords
SNES, matrix-free, h history, differencing history
See Also
MatMFFDGetH(), MatCreateSNESMF(),
MatMFFDSetHHistory(), MatMFFDSetFunctionError()
Level:advanced
Location:src/mat/impls/mffd/mffd.c
Index of all Mat routines
Table of Contents for all manual pages
Index of all manual pages