[petsc-dev] Creation of snes->vec_func

[Jed Brown]

On Wed, Dec 21, 2011 at 19:23, Barry Smith <bsmith at mcs.anl.gov> wrote:

>    The VI solvers would be a subclass of SNES and the user would decide at
> compile time what class they were using. Easy for the library writer, easy
> for the user ....
>
> but a crappy design
>

Not only that, it's horrible for the user because they have to recompile
code to change the solver, in which case we should all just go back to 1991.
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