MATMAT
  A FORTRAN77 program using MPI to
  compute a matrix vector product
    c = A * b.
 
  The number of processes is      4
 
MATVEC - Master process:
  Normal end of execution.
 
MATVEC - Master process:
  Normal end of execution.
 
MATVEC - Master process:
  Normal end of execution.
 
MATVEC - Master process:
  Normal end of execution.