[petsc-dev] fortran examples and tutorials testing

[Travis Austin]

Hi,

I have been digging into the tutorials directories in PETSc and wanting to understand how the makefile breaks up fortran
examples into TESTEXAMPLES_FORTRAN and TESTEXAMPLES_F90.  (This is follow on work from the Tech-X Phase 
I related to PETSc.)

There appear to be some F90 examples that are mixed in TESTEXAMPLES_FORTRAN.  For example, in the snes
tutorials, I see this:

snes/examples/tutorials/makefile:TESTEXAMPLES_FORTRAN = ex1f.PETSc runex1f ex1f.rm ex40f90.PETSc runex40f90 ex40f90.rm

In other places, anything with an f90 in the name is under TESTEXAMPLES_F90.  

Is there any particular strategy for how files are placed under TESTEXAMPLES_FORTRAN and TESTEXAMPLES_F90?  

Another related question is that some of the F90 examples have a .F suffix and others have a .F90 suffix which is of course
related to formatting but my guess is the committer of these files just following their own preferences.  
(See snes/examples/tutorials/ex39f90.F and ex40f90.F90.)  

Does anyone know if there was a reason that ex39f90 was made *.F and ex40f90 was make *.F90?  I'm trying to parse some 
of these examples based on suffixes and different suffixes makes is a bit more cumbersome.

Thanks for any help,
Travis

===============================
Travis Austin, Ph.D
VP, Computational Mathematics
Tech-X Corporation
5621 Arapahoe Ave
Boulder, CO 80303
austin at txcorp.com
===============================



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