[petsc-users] 64 bit integers

[Michele Rosso]

The problem is that I use petsc only in a small part of my code.
Given that I have integers everywhere and I use other libraries as well,
I cannot/ don't want to  re-define all the integers I have as PetscInt.

Michele


On 08/17/2012 09:08 AM, Matthew Knepley wrote:
> On Fri, Aug 17, 2012 at 11:04 AM, Michele Rosso <mrosso at uci.edu 
> <mailto:mrosso at uci.edu>> wrote:
>
>     Thank you.
>     How can I convert?
>
>
> Don't use integer, use PetscInt. See any PETSc example.
>
>   Matt
>
>     Michele
>
>     On 08/17/2012 08:55 AM, Matthew Knepley wrote:
>>     On Fri, Aug 17, 2012 at 10:16 AM, Jed Brown <jedbrown at mcs.anl.gov
>>     <mailto:jedbrown at mcs.anl.gov>> wrote:
>>
>>         On Fri, Aug 17, 2012 at 10:12 AM, Michele Rosso
>>         <mrosso at uci.edu <mailto:mrosso at uci.edu>> wrote:
>>
>>             Does this mean that Fortran compiler invoked by the PETSc
>>             Makefile will
>>             compile to code with the 64 bit integer option so that
>>             also Fortran Integer will be 64 bit?
>>
>>
>>         NO, that would be bad because it breaks library interfaces.
>>
>>         You have to use the right types internally. If you use
>>         PetscInt everywhere, then you'll be fine. If you mix types,
>>         you have to find out where to convert.
>>
>>
>>     I meant that if you use PetscInt in Fortran it was also be a
>>     64-bit integer.
>>
>>        Matt
>>
>>     -- 
>>     What most experimenters take for granted before they begin their
>>     experiments is infinitely more interesting than any results to
>>     which their experiments lead.
>>     -- Norbert Wiener
>
>
>
>
> -- 
> What most experimenters take for granted before they begin their 
> experiments is infinitely more interesting than any results to which 
> their experiments lead.
> -- Norbert Wiener

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