[petsc-users] METIS double precision

[Balay, Satish]

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.
> 
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