Start of module "NonLinear". We start out of cminpack-1.0.2

(http://devernay.free.fr/hacks/cminpack.html)
The first test is adapted from the example/ directory.
Some stuff is hard coded for our initial tests.

unsupported/Eigen/NonLinear

@@ -0,0 +1,17 @@
+#ifndef EIGEN_NONLINEAR_MODULE_H
+#define EIGEN_NONLINEAR_MODULE_H
+
+#include <Eigen/Core>
+
+namespace Eigen {
+
+/** \ingroup Unsupported_modules
+  * \defgroup Support for non linear optimization and non linear least
+  * square using minpack routines.
+  */
+
+#include "src/NonLinear/MathFunctions.h"
+
+}
+
+#endif // EIGEN_NONLINEAR_MODULE_H