Re: Global to Local Vector Mapping

[Tim Stitt <timothy.stitt@xxxxxxxx>]

I have a problem Matthew...this is a Fortran code..which I don't think 
this routine is compatible with. Is there any other way?

Matthew Knepley wrote:
> On Dec 3, 2007 11:49 AM, Tim Stitt <timothy.stitt@xxxxxxxx> wrote:
>   
> > Hi all,
> >
> > Is there a quick way to map a global index for a parallel vector to a
> > local mapping tuple (p,i) were 'p' represents the process containing the
> > value and 'i' is the local index number on that process?
> >     
>
> PetscMapGetGlobalRange(&v->map,const &range);
> for(p = 0; p < numProcs; ++p) if (range[p+1] > globalInd) break;
> localInd = globalInd - range[p];
>
>    Matt
>
>   
> > As always, thanks in advance for any information provided.
> >
> > Tim.
> >
> > --
> > Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
> > HPC Application Consultant - ICHEC (www.ichec.ie)
> >
> > Dublin Institute for Advanced Studies
> > 5 Merrion Square - Dublin 2 - Ireland
> >
> > +353-1-6621333 (tel) / +353-1-6621477 (fax)
> >
> >
> >     
>
>
>
>   


--
Dr. Timothy Stitt <timothy_dot_stitt_at_ichec.ie>
HPC Application Consultant - ICHEC (www.ichec.ie)

Dublin Institute for Advanced Studies
5 Merrion Square - Dublin 2 - Ireland

+353-1-6621333 (tel) / +353-1-6621477 (fax)