Problem::Evaluate implementation.
1. Add Problem::Evaluate and tests.
2. Remove Solver::Summary::initial/final_*
3. Remove Solver::Options::return_* members.
4. Various cpplint cleanups.
Change-Id: I4266de53489896f72d9c6798c5efde6748d68a47
diff --git a/internal/ceres/graph.h b/internal/ceres/graph.h
index e080489..5f92d4d 100644
--- a/internal/ceres/graph.h
+++ b/internal/ceres/graph.h
@@ -32,12 +32,13 @@
#define CERES_INTERNAL_GRAPH_H_
#include <limits>
-#include <glog/logging.h>
+#include <utility>
#include "ceres/integral_types.h"
#include "ceres/map_util.h"
#include "ceres/collections_port.h"
#include "ceres/internal/macros.h"
#include "ceres/types.h"
+#include "glog/logging.h"
namespace ceres {
namespace internal {
