question about VecLoad (attached )

[Matthew Knepley]

You do not have to use the AO. We always save to file in the natural ordering.
Without this, we would not be able to load on different numbers of processors.

  Matt

2008/5/14 tsjb00 <tsjb00 at hotmail.com>:
>
> Sorry the message gets messed up again! Please check the attached text file of my questions.
>
> Sorry for the inconvenience! Many thanks in advance!
>
> JB
> ----------------------------------------
>> From: tsjb00 at hotmail.com
>> To: petsc-users at mcs.anl.gov
>> Subject: question about VecLoad (pls disregard previous one)
>> Date: Wed, 14 May 2008 23:39:42 +0000
>>
>>
>> Sorry the previous message is wrong
>>
>> Hi! I have a question about VecLoad. In my program, I need to read in ordered data from an input file, which in an ordinary c program would be as:
>>   for (k=0; ky->z,ie p(x0,y0,z0),p(x1,y0,z0),...,p(x0,y1,z0),p(x1,y1,z0),...*/
>>       fscanf(fp,"%f %f %f %f\n",&dumx,&dumy,&dumz,&var);
>>       i++;
>>       idx=i;
>>       AOApplicationToPetsc(ao,1,&idx);
>>       VecSetValue(v0,idx,var,INSERT_VALUES);
>>       }
>>  then use VecView to output the binary file:
>>       PetscViewerBinaryOpen(PETSC_COMM_SELF,"out.dat",FILE_MODE_WRITE,&viewer);
>>       VecView(v0,viewer);
>>
>> Please let me know if something is wrong.
>>
>> Many thanks!
>>
>> JB
>>
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