Source code for CPSC 418, homework 4:
     hw4.erl: function stubs for "Cracking RSA Keys"
hw4_lib.erl:   helper code for "Cracking RSA Keys" (do not modify)
hw4_recurr.zip:   template archive for "Getting Started in CUDA"
hw4_recurr_soln.zip:   sample solution code for "Getting Started in CUDA"