[petsc-users] examples of automatic differentiation with PETSc

[Jed Brown]

Xiangdong <epscodes at gmail.com> writes:

> Is there any reason that AD is not supported in PETSc? Is it because the
> ADIFOR/ADIC library itself?

Those libraries are not maintained and have license problems.  You're
welcome to use an AD tool yourself.  The support in PETSc was mostly
just making simple examples cleaner; it wasn't widely used in real
applications.
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