MPIPartition1D.c

Go to the documentation of this file.

#include <stdio.h>
#include <mpivars.h>

int MPIPartition1D(
                    int nglobal,  
                    int nproc,    
                    int rank      
                  )
{
  int nlocal;
  if (nglobal%nproc == 0) nlocal = nglobal/nproc;
  else {
    if (rank == nproc-1)  nlocal = nglobal/nproc + nglobal%nproc;
    else                  nlocal = nglobal/nproc;
  }
  return(nlocal);
}