[petsc-users] METIS double precision

[Balay, Satish]

https://bitbucket.org/petsc/petsc/pull-requests/1316/metis-provide-download-metis-use/

Satish

On Thu, 10 Jan 2019, Balay, Satish via petsc-users wrote:

> Well - this was the previous default - and was removed as it was deemed unnecessary.
> 
> https://bitbucket.org/petsc/petsc/commits/2d4f01c230fe350f0ab5a28d1f5ef05ceab7ea3d
> 
> The attached patch provides --download-metis-use-doubleprecision option
> 
> Satish
> 
> On Thu, 10 Jan 2019, Matthew Overholt via petsc-users wrote:
> 
> > Hello,
> > 
> > How does one configure the PETSc installation to download METIS and have it
> > use REALTYPEWIDTH 64 (as defined in metis.h)?  I am using:
> > 
> > --with-64-bit-indices --download-metis=yes
> > 
> > to get IDXTYPEWIDTH 64.  If I were installing METIS independently I would
> > set the following near the top of metis.h:  #define
> > METIS_USE_DOUBLEPRECISION
> > 
> > The reason for this is I want to call METIS routines outside of PETSc and
> > prefer double precision.
> > 
> > Thanks,
> > Matt Overholt
> > CapeSym, Inc.
> > 
>