This sample program utilizes Microsoft's MPI library, a message-passing system used for parallel programming.
Several random numbers between 1-10 will be generated based on user input N. The array of numbers will then be split among P processes using MPI_Scatter. Each process will compute the product of the split and MPI_Reduce will be used to return the split products back to the root process 0.
Lastly, pow(product, (1/N) will be calculated to determine the Geometric Mean.
MPI SDK and Redistributable is required to compile on windows. Please follow Microsoft's guide to get going https://blogs.technet.microsoft.com/windowshpc/2015/02/02/how-to-compile-and-run-a-simple-ms-mpi-program/
Program can be executed after building using the following command
mpiexec -n P Geo-Mean.exe N where P represents number of processes and N represents number of random numbers that will be generated
This program is using Edd Mann's custom vector code for C that can be found under http://eddmann.com/posts/implementing-a-dynamic-vector-array-in-c/