From 67622b080c8d37b5e932120a53d4ce76b80543e5 Mon Sep 17 00:00:00 2001
From: Sameer Agarwal <sameeragarwal@google.com>
Date: Sat, 5 Sep 2015 13:18:38 -0700
Subject: [PATCH] Fix a pointer access bug in Ridders' algorithm.

A pointer to an Eigen matrix was being used as an array.

Change-Id: Ifaea14fa3416eda5953de49afb78dc5a6ea816eb
---
 include/ceres/internal/numeric_diff.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/ceres/internal/numeric_diff.h b/include/ceres/internal/numeric_diff.h
index 7034a2a09..11e8275b1 100644
--- a/include/ceres/internal/numeric_diff.h
+++ b/include/ceres/internal/numeric_diff.h
@@ -346,7 +346,7 @@ struct NumericDiff {
 
       // Store initial results.
       if (i == 0) {
-        residuals = current_candidates[0];
+        residuals = current_candidates->col(0);
       }
 
       // Shrink differentiation step size.