ClangTidy fixes

Change-Id: I421b29e218c045c5d8bef42c840fa366d7c011fc

examples/rosenbrock.cc

@@ -32,6 +32,8 @@
 // (https://en.wikipedia.org/wiki/Rosenbrock_function) using
 // GradientProblemSolver using automatically computed derivatives.
 
+#include <memory>
+
 #include "absl/log/initialize.h"
 #include "ceres/ceres.h"
 

examples/rosenbrock_analytic_diff.cc

@@ -33,6 +33,7 @@
 // GradientProblemSolver using analytic derivatives.
 
 #include <iostream>
+#include <memory>
 
 #include "absl/log/initialize.h"
 #include "ceres/ceres.h"

examples/rosenbrock_numeric_diff.cc

@@ -34,6 +34,7 @@
 // differentiation.
 
 #include <iostream>
+#include <memory>
 
 #include "absl/log/initialize.h"
 #include "ceres/ceres.h"

internal/ceres/gradient_problem.cc

@@ -31,8 +31,10 @@
 #include "ceres/gradient_problem.h"
 
 #include <memory>
+#include <utility>
 
 #include "absl/log/check.h"
+#include "ceres/manifold.h"
 
 namespace ceres {
 

internal/ceres/gradient_problem_solver_test.cc

@@ -30,6 +30,8 @@
 
 #include "ceres/gradient_problem_solver.h"
 
+#include <memory>
+
 #include "ceres/gradient_problem.h"
 #include "gtest/gtest.h"
 

internal/ceres/gradient_problem_test.cc

@@ -30,6 +30,9 @@
 
 #include "ceres/gradient_problem.h"
 
+#include <memory>
+
+#include "ceres/manifold.h"
 #include "gtest/gtest.h"
 
 namespace ceres::internal {

internal/ceres/line_search_minimizer_test.cc

@@ -29,8 +29,10 @@
 // Author: sameeragarwal@google.com (Sameer Agarwal)
 
 #include <limits>
+#include <memory>
 
 #include "ceres/ceres.h"
+#include "ceres/types.h"
 #include "gtest/gtest.h"
 
 namespace ceres::internal {