petsc-3.7.1 2016-05-15
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MatMFFDSetCheckh

Sets a function that checks the computed h and adjusts it to satisfy some criteria

Synopsis

#include "petscmat.h"   
PetscErrorCode  MatMFFDSetCheckh(Mat J,PetscErrorCode (*fun)(void*,Vec,Vec,PetscScalar*),void *ctx)
Logically Collective on Mat Many br

Input Parameters

J - the MatMFFD matrix Many br
fun - the function that checks h Many br
ctx - any context needed by the function Many br

Options Database Keys

-mat_mffd_check_positivity - Many br Many br

Notes: For example, MatMFFDSetCheckPositivity() insures that all entries Many brof U + h*a are non-negative Many br

See Also

MatMFFDSetCheckPositivity()

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