From 037c8b36436993383a9b74e0249fc006d1b1039a Mon Sep 17 00:00:00 2001
From: yetongumich <yetong@gatech.edu>
Date: Sun, 17 Nov 2024 23:53:21 -0800
Subject: [PATCH] add using NonlinearFactor::error

---
 gtsam/constraint/NonlinearConstraint.h | 2 ++
 gtsam/nonlinear/NonlinearFactor.h      | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/gtsam/constraint/NonlinearConstraint.h b/gtsam/constraint/NonlinearConstraint.h
index da13f77c6..a01430bf3 100644
--- a/gtsam/constraint/NonlinearConstraint.h
+++ b/gtsam/constraint/NonlinearConstraint.h
@@ -40,6 +40,8 @@ class GTSAM_EXPORT NonlinearConstraint : public NoiseModelFactor {
   /** Use constructors of NoiseModelFactor. */
   using Base::Base;
 
+  using NonlinearFactor::error;
+
   /** Destructor. */
   virtual ~NonlinearConstraint() {}
 
diff --git a/gtsam/nonlinear/NonlinearFactor.h b/gtsam/nonlinear/NonlinearFactor.h
index 725117748..3830532ae 100644
--- a/gtsam/nonlinear/NonlinearFactor.h
+++ b/gtsam/nonlinear/NonlinearFactor.h
@@ -280,6 +280,8 @@ public:
    */
   double weight(const Values& c) const;
 
+  using NonlinearFactor::error;
+
   /**
    * Calculate the error of the factor.
    * This is the log-likelihood, e.g. \f$ 0.5(h(x)-z)^2/\sigma^2 \f$ in case of Gaussian.