Process 2: Active! Process 3: Active! Process 1: Active! 06 September 2018 03:24:18 PM INTERVALS - Master process: C++ version An MPI example program, A quadrature over an interval is done by assigning subintervals to processes. 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 = 0.000292096 INTERVALS - Master process: Normal end of execution. 06 September 2018 03:24:18 PM