[petsc-users] flag -citations to PETSc

[Jed Brown]

Åsmund Ervik <asmund.ervik at ntnu.no> writes:
> Our nightly Jenkins run revealed that PETSC_VERSION_GE does not work
> well with ifort (version 14.0). (It works fine with gfortran and
> pgf90.) ifort produces the error message
>
> petscmod.F90(232): #error: #if: syntax error.

Maybe the wrong option indicating that you want preprocessing?  It would
be useful to get to the bottom of it.

> I couldn't figure out much from this error message, but the following
> seems to work on all our compilers:
>
> #if (PETSC_MAJOR >= 3) && (PETSC_MINOR >= 5)
> ... PETSC_DEFAULT_REAL
> #else
> ... PETSC_DEFAULT_DOUBLE_PRECISION
> #endif

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