Hello,
Please look at the solution by Timo.
In your case, you can do something like.
if (Utilities::MPI::this_mpi_process(mpi_communicator) == 0)
{
std::ofstream myfile;
myfile.open ("resultant_strass.txt");
myfile<< resultant_stress<<std::endl;
myfile.close();
}
On Thursday, February 23, 2017 at 11:08:35 AM UTC-5, Hamed Babaei wrote:
>
> Dear Rajat,
>
>
>> ... which I then write in a file on a master process.
>>
>
> I was wondering how to write in a file on a master process so that there
> would be just one output file not as many as processor exist. I use the
> following commands to write in my file in serial code :
>
> std::ofstream myfile;
> myfile.open ("resultant_strass.txt");
> myfile<< resultant_stress<<std::endl;
> myfile.close();
>
> Do I need to make any change in it?
>
> Thanks
>
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