petsc-3.11.4 2019-09-28
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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

Implementations

MatMFFDResetHHistory_MFFD in src/mat/impls/mffd/mffd.c

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Index of all manual pages