[petsc-dev] MUMPS and 64 bit indices
Sean Farley
sean.michael.farley at gmail.com
Mon Dec 15 16:03:44 CST 2014
Barry Smith writes:
>> On Dec 15, 2014, at 3:16 PM, Garth N. Wells <gnw20 at cam.ac.uk> wrote:
>>
>> It's possible to configure PETSc with the options
>>
>> --with-64-bit-indices --download-mumps
>>
>> and compile and run, but it doesn't look like the MUMPS interface supports 64 bit indices. Should the above combination throw an error at configure time?
>
> Yes, there is commented code in the consistency check, I cannot remember why it was commented.
>
> # if self.double and not self.scalartypes.precision.lower() == 'double':
> # raise RuntimeError('Cannot use '+self.name+' withOUT double precision numbers, it is not coded for this capability')
> # if not self.complex and self.scalartypes.scalartype.lower() == 'complex':
> # raise RuntimeError('Cannot use '+self.name+' with complex numbers it is not coded for this capability')
> # if self.libraryOptions.integerSize == 64 and self.requires32bitint:
> # raise RuntimeError('Cannot use '+self.name+' with 64 bit integers, it is not coded for this capability')
I think that's from when I added patches to suitesparse, mumps, and
superlu for working with 64-bit ints. I wouldn't be surprised if
something wasn't working. I believe, to date, only Sherry has
incorporated my patches. That will learn me to try to contribute patches
to academics.
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