Programming in *.f90 free format with PETSc
Satish Balay
balay at mcs.anl.gov
Mon Aug 6 10:24:38 CDT 2007
This is incorrect usage.
If you are getting errors with the correct usage, send us the error
messages, with your code, and we can sugest fixes.
- one issue could be
> > #define PETSC_AVOID_DECLARATIONS
> > #include "include/finclude/petsc.h"
> > #include "include/finclude/petscvec.h90" <--- This should be removed from here..
> > <other includes>
> > #undef PETSC_AVOID_DECLARATIONS
> >
> > moudle foobar
> > <other module stuff>
> > end module
Satish
On Mon, 6 Aug 2007, Ben Tay wrote:
> Hi,
>
> I tried to use
>
> #define PETSC_AVOID_DECLARATIONS
> #include "include/finclude/petsc.h"
> <other includes>
> #undef PETSC_AVOID_DECLARATIONS
>
>
> module ada
> ...
>
> subroutine ....
>
> end module ada
>
> but the compiler says that the module is placed in the wrong order. Anyway, I
> just move the top 4 lines into the subroutine instead and it worked. Thanks
>
> module ada
>
> ...
>
> subroutine ddd
>
> #define PETSC_AVOID_DECLARATIONS
> #include "include/finclude/petsc.h"
> <other includes>
> #undef PETSC_AVOID_DECLARATIONS
>
> ....
>
> end subroutine ddd
>
>
>
>
> Satish Balay wrote:
> > you can use .F90 suffix for free-from preprocesed code. [or use
> > compiler options to force it always use free-form]
> >
> > And when using fortran modules use the following organization:
> >
> >
> > #define PETSC_AVOID_DECLARATIONS
> > #include "include/finclude/petsc.h"
> > <other includes>
> > #undef PETSC_AVOID_DECLARATIONS
> >
> > moudle foobar
> > <other module stuff>
> > end module
> >
> > subroutine xyz()
> > use foobar
> > implicit none
> > #include "include/finclude/petsc.h"
> > <other includes>
> > <code>
> > end subroutine
> > <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
> >
> > Satish
> >
> > On Mon, 6 Aug 2007, Ben Tay wrote:
> >
> >
> > > Hi,
> > >
> > > I've no problem writing out codes in fortran fixed format with PETSc.
> > > However,
> > > is it possible to do it in fortran free format as well?
> > >
> > > I'm using visual fortran and there's error.
> > >
> > > original :
> > >
> > > test.F
> > >
> > > module global_data
> > >
> > > implicit none
> > >
> > > save
> > >
> > > #include "include/finclude/petsc.h"
> > > #include "include/finclude/petscvec.h"
> > > #include "include/finclude/petscmat.h"
> > > #include "include/finclude/petscksp.h"
> > > #include "include/finclude/petscpc.h"
> > > #include "include/finclude/petscmat.h90"
> > >
> > > Vec xx,b_rhs
> > >
> > > ....
> > >
> > > How can I change this code to fortran free format *.f90?
> > >
> > > Thanks
> > >
> > >
> > >
> >
> >
> >
>
>
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