From a171ba095c19000e31ae6fb10e2f3dcea3c88f99 Mon Sep 17 00:00:00 2001
From: Sameer Agarwal <sameeragarwal@google.com>
Date: Thu, 13 Apr 2017 09:47:38 -0700
Subject: [PATCH] Fix an off by one error in the transpose code.

Change-Id: I0ebcf2e8e29dc48376f60c3fa8d6100b20ec105f
---
 internal/ceres/compressed_row_sparse_matrix.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/internal/ceres/compressed_row_sparse_matrix.cc b/internal/ceres/compressed_row_sparse_matrix.cc
index b8e1a405b..192d5326f 100644
--- a/internal/ceres/compressed_row_sparse_matrix.cc
+++ b/internal/ceres/compressed_row_sparse_matrix.cc
@@ -78,7 +78,7 @@ void TransposeForCompressedRowSparseStructure(const int num_rows,
                                               int* transpose_cols,
                                               double* transpose_values) {
   // Explicitly zero out transpose_rows.
-  std::fill(transpose_rows, transpose_rows + num_cols, 0);
+  std::fill(transpose_rows, transpose_rows + num_cols + 1, 0);
 
   // Count the number of entries in each column of the original matrix
   // and assign to transpose_rows[col + 1].