From e9724c8ea293a1253593aba5c379980b85647dae Mon Sep 17 00:00:00 2001
From: Thomas Capricelli <orzel@freehackers.org>
Date: Tue, 5 Jan 2010 01:22:53 +0100
Subject: [PATCH] accessor for the levenberg-marquardt parameter

---
 .../Eigen/src/NonLinearOptimization/LevenbergMarquardt.h        | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/unsupported/Eigen/src/NonLinearOptimization/LevenbergMarquardt.h b/unsupported/Eigen/src/NonLinearOptimization/LevenbergMarquardt.h
index 2cf96eb14..d503b85e8 100644
--- a/unsupported/Eigen/src/NonLinearOptimization/LevenbergMarquardt.h
+++ b/unsupported/Eigen/src/NonLinearOptimization/LevenbergMarquardt.h
@@ -129,6 +129,8 @@ public:
     int njev;
     int iter;
     Scalar fnorm, gnorm;
+
+    Scalar lm_param(void) { return par; }
 private:
     FunctorType &functor;
     int n;