added omp_set_num_threads() and --no-threads option

git-svn-id: svn://anubis/gvsu@334 45c1a28c-8058-47b2-ae61-ca45b979098e

cs677/final/mpi-fractals.cc

@@ -8,6 +8,7 @@
 #include <mpi.h>
 #include <sys/time.h>               /* struct timeval, gettimeofday() */
 #include <iostream>
+#include <omp.h>
 #include "Computation.h"
 #include "NewtonComputation.h"
 #include "FatouComputation.h"
@@ -63,6 +64,10 @@ int main(int argc, char * argv[])
         {
             display_times = true;
         }
+        else if (!strcmp(argv[i], "--no-threads"))
+        {
+            omp_set_num_threads(1);
+        }
     }
     getSizes(&my_rank, &world_size, &nprocs);
     if (my_rank == 0)