[petsc-dev] MatMFFDSetType

[Adrian Croucher]

hi

Sorry, I realise now I was barking up the wrong tree in trying to use 
MatMFFDSetType().

What I'm actually looking for is just the equivalent of setting the 
command line option "-mat_fd_type ds" as default in my code- for an 
ordinary Jacobian matrix, not for a matrix-free method.

The doc page on MatFDColoringSetFromOptions():

http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/MatFD/MatFDColoringSetFromOptions.html

mentions setting the fd type to 'wp' or 'ds', and links to pages about 
MATMFFD_WP and MATMFFD_DS, which is probably where I started going astray.


How do I do the equivalent of setting the option "-mat_fd_type ds" in my 
code? There is MatMFFDSetType() for MATMFFD, but doesn't seem to be 
anything like a plain MatFDSetType().

- Adrian

-- 
Dr Adrian Croucher
Senior Research Fellow
Department of Engineering Science
University of Auckland, New Zealand
email: a.croucher at auckland.ac.nz
tel: +64 (0)9 923 84611

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