Functions to Inline C, C++, Fortran Function Calls from R
Oleg Sklyar, Duncan Murdoch, Mike Smith, Dirk Eddelbuettel, 
 Romain Francois, Karline Soetaert, Johannes Ranke
Functionality to dynamically define R functions and S4 methods
 with 'inlined' C, C++ or Fortran code supporting the .C and .Call calling
 conventions.
Oleg Sklyar, 2005-2010 and other authors per their commits