Excellent - just remembered that. I'll see if it works. Had taken it out to do 
my own thing.

Carol

Dr Carol Brickley 
BSc,PhD,ARCS,DIC,MBCS
 
Senior Software Engineer
Applied Computer Science
DS+T,
AWE
Aldermaston
Reading
Berkshire
RG7 4PR
 
Direct: 0118 9855035
 

-----Original Message-----
From: Barry Smith [mailto:[email protected]] 
Sent: 04 March 2015 18:38
To: Brickley Carol AWE
Cc: [email protected]
Subject: EXTERNAL: Re: [petsc-users] DMDAVecGetArrayF90


  DMDAGetCorners() for global vectors and DMDAGetGhostCorners() for local 
(ghosted) vectors.

   Barry

> On Mar 4, 2015, at 12:26 PM, <[email protected]> 
> <[email protected]> wrote:
> 
> Hi,
> 
> I am using DMDAVecGetArrayF90 with a pointer in petsc 3.4.3. Is there anyway 
> of finding out what the start and finish indices of the pointer coming back 
> from this routine are per processor?
> 
> I have declared:
> 
> 
> DM                              ::   da
> Vec                             ::  X
> PetscScalar,pointer      :: xv(:,:)=>null()
> 
> 
> DMDAVecGetArrayF90(da,X,xv,ierr)
> 
> 
> Do j = 1, m
>  Do i = 1, n
>    xv(i-1.j-1) = rhs2d(i,j)
>  enddo
> enddo
> 
> 
> DMDAVecRestoreArrayF90(da,X,xv,ierr)
> 
> When we have xv(0:n-1,0:m-1) from DMDAVecGetArrayF90 it works fine but other 
> processors may give back eg; xv(0:n-1,1:m-1) or something else and it will 
> fail as the second index
> now goes below 0 to 1. Any ideas of what I can do next?
> 
> 
> Thanks,
> 
> Carol
> 
> 
> Dr Carol Brickley
> BSc,PhD,ARCS,DIC,MBCS
> 
> Senior Software Engineer
> Applied Computer Science
> DS+T,
> AWE
> Aldermaston
> Reading
> Berkshire
> RG7 4PR
> 
> Direct: 0118 9855035
> 
> 
> 
> ___________________________________________________
> ____________________________
> 
> The information in this email and in any attachment(s) is 
> commercial in confidence. If you are not the named addressee(s) 
> or 
> if you receive this email in error then any distribution, copying or 
> use of this communication or the information in it is strictly 
> prohibited. Please notify us immediately by email at 
> admin.internet(at)awe.co.uk, and then delete this message from 
> your computer. While attachments are virus checked, AWE plc 
> does not accept any liability in respect of any virus which is not 
> detected.
> 
> AWE Plc
> Registered in England and Wales
> Registration No 02763902
> AWE, Aldermaston, Reading, RG7 4PR


___________________________________________________
____________________________

The information in this email and in any attachment(s) is
commercial in confidence. If you are not the named addressee(s)
or
if you receive this email in error then any distribution, copying or
use of this communication or the information in it is strictly
prohibited. Please notify us immediately by email at
admin.internet(at)awe.co.uk, and then delete this message from
your computer. While attachments are virus checked, AWE plc
does not accept any liability in respect of any virus which is not
detected.

AWE Plc
Registered in England and Wales
Registration No 02763902
AWE, Aldermaston, Reading, RG7 4PR

Reply via email to