[Ipopt] Defining a Global Variable in IPOPT and Using This Global Variable From IPOPT Matlab Interface

[Senses,Begum]

My advisor Dr. Rao let me know that he was able to read only a small 
part of my email. I am not sure exactly what went wrong but I am 
resending it. Hopefully, this time it will work.

Hello everyone,

I am using IPOPT with MATLAB interface. I am trying to send an array
from ipopt matlab interface to the ma57 interface. In order to be able
to do that first I edited options.cpp file in the
./CoinIpopt/Ipopt/contrib/MatlabInterface/src directory. In the
options.cpp file I added the following code

Options::Options (const Iterate& x, Ipopt::IpoptApplication& app,
  const mxArray* ptr)
{