INTERVALS - Master process:
  A C++ program using MPI.
  A quadrature over an interval is done by
  assigning subintervals to processes.

  Compiled on Mar 19 2006 at 10:03:30

  The number of processes is 4

Process 0: Active!

INTERVALS - Master process:
  Subintervals have been assigned.

INTERVALS - Master process:
  Estimate for PI is 3.14159
  Error is           9.25926e-07

  Elapsed wall clock seconds = 0.008952

INTERVALS - Master process:
  Normal end of execution.

Process 1: Active!

Process 2: Active!

Process 3: Active!