I am almost certain it wasn't included for some reason like that. I also suspect that they were using an outmoded version of fortran. Clicking the extra links w

I am almost certain it wasn't included for some reason like that. I also suspect that they were using an outmoded version of fortran. Clicking the extra links would tend to validate that suspicion. Also performance of fortran code is quite dependent on the compiler and compiler options. Somethng that was not well described.