[petsc-dev] snes/examples/tutorials/ex27.c

[Jed Brown]

On Tue, Nov 15, 2011 at 18:16, Matthew Knepley <knepley at gmail.com> wrote:

> If you have a hammer, everything looks like a nail. I think you are
> exaggerating the difficulty of doing this for simple cases.
>

The problem is that it's so frequently wrong. I can ask everyone to
implement one interface that is always correct, or I can give them two
interfaces, one of which is correct 40% of the time (or 95%, it doesn't
matter), but then I have to explain under what conditions it is correct,
the relative advantages of each interface, and deal with support requests
when people don't read that documentation.

If the always-correct interface is easy enough to always use, then we
should always use it.
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