commit afca29c473ea45488ee628a34c9f8a3fed428d30
author Sameer Agarwal <sameeragarwal@google.com> Thu Feb 26 21:28:52 2015 -0800
committer Sameer Agarwal <sameeragarwal@google.com> Thu Feb 26 21:37:04 2015 -0800
tree 3ac76dc9fc42f07b82d8a97dfbf724f6bd1add0c
parent c78ccc6579c6793a68eccf9367de04a60bd98eec

Fix a boundary handling but in BiCubicInterpolator.

Thanks to Bernhard Zeisl for reporting this.

Change-Id: I07fb32c187128bc84868b6f0dd4fabb4a85e1302

include/ceres/cubic_interpolation.h

diff --git a/include/ceres/cubic_interpolation.h b/include/ceres/cubic_interpolation.h
index 79f9c9b..8298002 100644
--- a/include/ceres/cubic_interpolation.h
+++ b/include/ceres/cubic_interpolation.h
@@ -322,7 +322,7 @@
       array_.GetValue(row + 2, col,     p31.data());
       array_.GetValue(row + 2, col + 1, p32.data());
     } else {
-      p31 = 2 * p21 - p22;
+      p31 = 2 * p21 - p11;
       p32 = 2 * p22 - p12;
     }