r 4 does not work on Octave. A warning is produced if AD-MRP prior is used.</span></div><h3  class = 'S8' id = 'H_7B8EE135' ><span>C++ Compiler</span></h3><div  class = 'S4'><span>A C++ compiler should already be included, but GCC/G++ is recommended. Any version 4.7 or up should be sufficient. It is recommended to use the G++ version supported by your MATLAB version whenever possible, though newer versions should work almost all the time. The only exception is MATLAB R2017b and earlier using G++ 5.1 or newe