diff --git a/unittests/Kokkos/ParallelAdd.h b/unittests/Kokkos/ParallelAdd.h
index 132a99f14..6d8b3d039 100644
--- a/unittests/Kokkos/ParallelAdd.h
+++ b/unittests/Kokkos/ParallelAdd.h
@@ -1,4 +1,5 @@
-// source: https://github.com/kliegeois/clad/blob/kokkos-PR/unittests/Kokkos/parallel_sum.hpp
+// source:
+// https://github.com/kliegeois/clad/blob/kokkos-PR/unittests/Kokkos/parallel_sum.hpp
 
 #ifndef KOKKOS_UNITTEST_PARALLELSUM
 #define KOKKOS_UNITTEST_PARALLELSUM
@@ -9,29 +10,27 @@ namespace kokkos_builtin_derivative {
 
 // Parallel sum:
 
-template <class Viewtype, class Layout, int Rank = Viewtype::rank(), typename iType = int>
+template <class Viewtype, class Layout, int Rank = Viewtype::rank(),
+          typename iType = int>
 struct ViewSum;
 
 template <class Viewtype, class Layout, typename iType>
 struct ViewSum<Viewtype, Layout, 1, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(ResultT& result, const Viewtype& v, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(ResultT& result, const Viewtype& v,
+                      const ExecSpace space = ExecSpace()) {
 
-    using policy_type = Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
-    using value_type  = typename Viewtype::value_type;
+    using policy_type =
+        Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
+    using value_type = typename Viewtype::value_type;
 
     value_type sum;
 
     Kokkos::parallel_reduce(
-        "ViewSum-1D",
-        policy_type(space, 0, v.extent(0)),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            value_type& update) {
-                update += v(i0);
-        },
-        sum );
+        "ViewSum-1D", policy_type(space, 0, v.extent(0)),
+        KOKKOS_LAMBDA(const iType& i0, value_type& update) { update += v(i0); },
+        sum);
 
     result += sum;
   }
@@ -40,8 +39,9 @@ struct ViewSum<Viewtype, Layout, 1, iType> {
 template <class Viewtype, class Layout, typename iType>
 struct ViewSum<Viewtype, Layout, 2, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(ResultT& result, const Viewtype& v, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(ResultT& result, const Viewtype& v,
+                      const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -49,22 +49,18 @@ struct ViewSum<Viewtype, Layout, 2, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<2, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
-    using value_type  = typename Viewtype::value_type;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
+    using value_type = typename Viewtype::value_type;
 
     value_type sum;
 
     Kokkos::parallel_reduce(
-        "ViewSum-2D",
-        policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1, 
-            value_type& update) {
-                update += v(i0, i1);
+        "ViewSum-2D", policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1, value_type& update) {
+          update += v(i0, i1);
         },
-        sum );
+        sum);
 
     result += sum;
   }
@@ -73,8 +69,9 @@ struct ViewSum<Viewtype, Layout, 2, iType> {
 template <class Viewtype, class Layout, typename iType>
 struct ViewSum<Viewtype, Layout, 3, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(ResultT& result, const Viewtype& v, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(ResultT& result, const Viewtype& v,
+                      const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -82,23 +79,18 @@ struct ViewSum<Viewtype, Layout, 3, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<3, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
-    using value_type  = typename Viewtype::value_type;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
+    using value_type = typename Viewtype::value_type;
 
     value_type sum;
 
     Kokkos::parallel_reduce(
         "ViewSum-3D",
         policy_type(space, {0, 0}, {v.extent(0), v.extent(1), v.extent(2)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1,
-            const iType& i2, 
-            value_type& update) {
-                update += v(i0, i1, i2);
-        },
-        sum );
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1, const iType& i2,
+                      value_type& update) { update += v(i0, i1, i2); },
+        sum);
 
     result += sum;
   }
@@ -106,46 +98,44 @@ struct ViewSum<Viewtype, Layout, 3, iType> {
 
 // Parallel add
 
-template <class Viewtype, class Layout, int Rank = Viewtype::rank(), typename iType = int>
+template <class Viewtype, class Layout, int Rank = Viewtype::rank(),
+          typename iType = int>
 struct ViewAdd;
 
 template <class Viewtype, class Layout, typename iType>
 struct ViewAdd<Viewtype, Layout, 1, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(const Viewtype& v, ResultT& update,
+                      const ExecSpace space = ExecSpace()) {
 
-    using policy_type = Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
+    using policy_type =
+        Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
-        "ViewAdd-1D",
-        policy_type(space, 0, v.extent(0)),
-        KOKKOS_LAMBDA (
-            const iType& i0) {
-                v(i0) += update;
-        });
+        "ViewAdd-1D", policy_type(space, 0, v.extent(0)),
+        KOKKOS_LAMBDA(const iType& i0) { v(i0) += update; });
   }
 
-  template<class ExecSpace, class ResultT>
-  static void executeView(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void executeView(const Viewtype& v, ResultT& update,
+                          const ExecSpace space = ExecSpace()) {
 
-    using policy_type = Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
+    using policy_type =
+        Kokkos::RangePolicy<ExecSpace, Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
-        "ViewAdd-1D",
-        policy_type(space, 0, v.extent(0)),
-        KOKKOS_LAMBDA (
-            const iType& i0) {
-                v(i0) += update(i0);
-        });
+        "ViewAdd-1D", policy_type(space, 0, v.extent(0)),
+        KOKKOS_LAMBDA(const iType& i0) { v(i0) += update(i0); });
   }
 };
 
 template <class Viewtype, class Layout, typename iType>
 struct ViewAdd<Viewtype, Layout, 2, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(const Viewtype& v, ResultT& update,
+                      const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -153,21 +143,19 @@ struct ViewAdd<Viewtype, Layout, 2, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<2, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
-        "ViewAdd-2D",
-        policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1) {
-                v(i0, i1) += update;
+        "ViewAdd-2D", policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1) {
+          v(i0, i1) += update;
         });
   }
 
-  template<class ExecSpace, class ResultT>
-  static void executeView(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void executeView(const Viewtype& v, ResultT& update,
+                          const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -175,16 +163,13 @@ struct ViewAdd<Viewtype, Layout, 2, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<2, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
-        "ViewAdd-2D",
-        policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1) {
-                v(i0, i1) += update(i0, i1);
+        "ViewAdd-2D", policy_type(space, {0, 0}, {v.extent(0), v.extent(1)}),
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1) {
+          v(i0, i1) += update(i0, i1);
         });
   }
 };
@@ -192,8 +177,9 @@ struct ViewAdd<Viewtype, Layout, 2, iType> {
 template <class Viewtype, class Layout, typename iType>
 struct ViewAdd<Viewtype, Layout, 3, iType> {
 
-  template<class ExecSpace, class ResultT>
-  static void execute(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void execute(const Viewtype& v, ResultT& update,
+                      const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -201,22 +187,20 @@ struct ViewAdd<Viewtype, Layout, 3, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<3, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
         "ViewAdd-3D",
         policy_type(space, {0, 0}, {v.extent(0), v.extent(1), v.extent(2)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1,
-            const iType& i2) {
-                v(i0, i1, i2) += update;
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1, const iType& i2) {
+          v(i0, i1, i2) += update;
         });
   }
 
-  template<class ExecSpace, class ResultT>
-  static void executeView(const Viewtype& v, ResultT& update, const ExecSpace space = ExecSpace()) {
+  template <class ExecSpace, class ResultT>
+  static void executeView(const Viewtype& v, ResultT& update,
+                          const ExecSpace space = ExecSpace()) {
 
     static const Kokkos::Iterate outer_iteration_pattern =
         Kokkos::layout_iterate_type_selector<Layout>::outer_iteration_pattern;
@@ -224,24 +208,21 @@ struct ViewAdd<Viewtype, Layout, 3, iType> {
         Kokkos::layout_iterate_type_selector<Layout>::inner_iteration_pattern;
     using iterate_type =
         Kokkos::Rank<3, outer_iteration_pattern, inner_iteration_pattern>;
-    using policy_type =
-        Kokkos::MDRangePolicy<ExecSpace, iterate_type, Kokkos::IndexType<iType>>;
+    using policy_type = Kokkos::MDRangePolicy<ExecSpace, iterate_type,
+                                              Kokkos::IndexType<iType>>;
 
     Kokkos::parallel_for(
         "ViewAdd-3D",
         policy_type(space, {0, 0}, {v.extent(0), v.extent(1), v.extent(2)}),
-        KOKKOS_LAMBDA (
-            const iType& i0, 
-            const iType& i1,
-            const iType& i2) {
-                v(i0, i1, i2) += update(i0, i1, i2);
+        KOKKOS_LAMBDA(const iType& i0, const iType& i1, const iType& i2) {
+          v(i0, i1, i2) += update(i0, i1, i2);
         });
   }
 };
 
-
 template <class DT, class... DP>
-void parallel_sum(typename Kokkos::ViewTraits<DT, DP...>::value_type &sum, const Kokkos::View<DT, DP...> A) {
+void parallel_sum(typename Kokkos::ViewTraits<DT, DP...>::value_type& sum,
+                  const Kokkos::View<DT, DP...> A) {
   using ViewtypeA = Kokkos::View<DT, DP...>;
   Kokkos::fence();
   if (A.span_is_contiguous()) {
@@ -249,22 +230,25 @@ void parallel_sum(typename Kokkos::ViewTraits<DT, DP...>::value_type &sum, const
     using ViewTypeFlat = Kokkos::View<
         typename ViewtypeA::value_type*, Kokkos::LayoutRight,
         Kokkos::Device<typename ViewtypeA::execution_space,
-                      std::conditional_t<ViewtypeA::rank == 0,
+                       std::conditional_t<ViewtypeA::rank == 0,
                                           typename ViewtypeA::memory_space,
                                           Kokkos::AnonymousSpace>>,
         Kokkos::MemoryTraits<0>>;
 
     ViewTypeFlat A_flat(A.data(), A.size());
-    ViewSum<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<typename ViewTypeFlat::execution_space>(sum, A_flat);
-  }
-  else {
-    ViewSum<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank, int>::template execute<typename ViewtypeA::execution_space>(sum, A);
+    ViewSum<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<
+        typename ViewTypeFlat::execution_space>(sum, A_flat);
+  } else {
+    ViewSum<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank,
+            int>::template execute<typename ViewtypeA::execution_space>(sum, A);
   }
   Kokkos::fence();
 }
 
 template <class ExecSpace, class DT, class... DP>
-void parallel_sum(const ExecSpace& space, typename Kokkos::ViewTraits<DT, DP...>::value_type &sum, const Kokkos::View<DT, DP...> A) {
+void parallel_sum(const ExecSpace& space,
+                  typename Kokkos::ViewTraits<DT, DP...>::value_type& sum,
+                  const Kokkos::View<DT, DP...> A) {
   using ViewtypeA = Kokkos::View<DT, DP...>;
   space.fence();
   if (A.span_is_contiguous()) {
@@ -272,22 +256,24 @@ void parallel_sum(const ExecSpace& space, typename Kokkos::ViewTraits<DT, DP...>
     using ViewTypeFlat = Kokkos::View<
         typename ViewtypeA::value_type*, Kokkos::LayoutRight,
         Kokkos::Device<typename ViewtypeA::execution_space,
-                      std::conditional_t<ViewtypeA::rank == 0,
+                       std::conditional_t<ViewtypeA::rank == 0,
                                           typename ViewtypeA::memory_space,
                                           Kokkos::AnonymousSpace>>,
         Kokkos::MemoryTraits<0>>;
 
     ViewTypeFlat A_flat(A.data(), A.size());
-    ViewSum<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<typename ViewTypeFlat::execution_space>(sum, A_flat, space);
-  }
-  else {
-    ViewSum<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank, int>::template execute<ExecSpace>(sum, A, space);
+    ViewSum<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<
+        typename ViewTypeFlat::execution_space>(sum, A_flat, space);
+  } else {
+    ViewSum<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank,
+            int>::template execute<ExecSpace>(sum, A, space);
   }
   space.fence();
 }
 
 template <class DT, class... DP>
-void parallel_add(Kokkos::View<DT, DP...> A, typename Kokkos::ViewTraits<DT, DP...>::const_value_type b) {
+void parallel_add(Kokkos::View<DT, DP...> A,
+                  typename Kokkos::ViewTraits<DT, DP...>::const_value_type b) {
   using ViewtypeA = Kokkos::View<DT, DP...>;
   Kokkos::fence();
   if (A.span_is_contiguous()) {
@@ -295,22 +281,24 @@ void parallel_add(Kokkos::View<DT, DP...> A, typename Kokkos::ViewTraits<DT, DP.
     using ViewTypeFlat = Kokkos::View<
         typename ViewtypeA::value_type*, Kokkos::LayoutRight,
         Kokkos::Device<typename ViewtypeA::execution_space,
-                      std::conditional_t<ViewtypeA::rank == 0,
+                       std::conditional_t<ViewtypeA::rank == 0,
                                           typename ViewtypeA::memory_space,
                                           Kokkos::AnonymousSpace>>,
         Kokkos::MemoryTraits<0>>;
 
     ViewTypeFlat A_flat(A.data(), A.size());
-    ViewAdd<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<typename ViewTypeFlat::execution_space>(A_flat, b);
-  }
-  else {
-    ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank, int>::template execute<typename ViewtypeA::execution_space>(A, b);
+    ViewAdd<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<
+        typename ViewTypeFlat::execution_space>(A_flat, b);
+  } else {
+    ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank,
+            int>::template execute<typename ViewtypeA::execution_space>(A, b);
   }
   Kokkos::fence();
 }
 
 template <class ExecSpace, class DT, class... DP>
-void parallel_add(const ExecSpace& space, Kokkos::View<DT, DP...> A, typename Kokkos::ViewTraits<DT, DP...>::const_value_type b) {
+void parallel_add(const ExecSpace& space, Kokkos::View<DT, DP...> A,
+                  typename Kokkos::ViewTraits<DT, DP...>::const_value_type b) {
   using ViewtypeA = Kokkos::View<DT, DP...>;
   space.fence();
   if (A.span_is_contiguous()) {
@@ -318,16 +306,17 @@ void parallel_add(const ExecSpace& space, Kokkos::View<DT, DP...> A, typename Ko
     using ViewTypeFlat = Kokkos::View<
         typename ViewtypeA::value_type*, Kokkos::LayoutRight,
         Kokkos::Device<typename ViewtypeA::execution_space,
-                      std::conditional_t<ViewtypeA::rank == 0,
+                       std::conditional_t<ViewtypeA::rank == 0,
                                           typename ViewtypeA::memory_space,
                                           Kokkos::AnonymousSpace>>,
         Kokkos::MemoryTraits<0>>;
 
     ViewTypeFlat A_flat(A.data(), A.size());
-    ViewAdd<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<typename ViewTypeFlat::execution_space>(A_flat, b, space);
-  }
-  else {
-    ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank, int>::template execute<ExecSpace>(A, b, space);
+    ViewAdd<ViewTypeFlat, Kokkos::LayoutRight, 1, int>::template execute<
+        typename ViewTypeFlat::execution_space>(A_flat, b, space);
+  } else {
+    ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank,
+            int>::template execute<ExecSpace>(A, b, space);
   }
   space.fence();
 }
@@ -338,11 +327,12 @@ void parallel_add(Kokkos::View<DT, DP...> A, const Kokkos::View<ST, SP...> B) {
   using ViewtypeA = Kokkos::View<ST, SP...>;
   Kokkos::fence();
 
-  ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank, int>::template executeView<typename ViewtypeA::execution_space>(A, B);
+  ViewAdd<ViewtypeA, typename ViewtypeA::array_layout, ViewtypeA::rank,
+          int>::template executeView<typename ViewtypeA::execution_space>(A, B);
 
   Kokkos::fence();
 }
 
-}
+} // namespace kokkos_builtin_derivative
 
 #endif
\ No newline at end of file
diff --git a/unittests/Kokkos/ParallelFor.cpp b/unittests/Kokkos/ParallelFor.cpp
index 4d589f48a..69494226b 100644
--- a/unittests/Kokkos/ParallelFor.cpp
+++ b/unittests/Kokkos/ParallelFor.cpp
@@ -5,92 +5,88 @@
 #include "ParallelAdd.h"
 
 TEST(ParallelFor, HelloWorldLambdaLoopForward) {
-    // // check finite difference and forward mode similarity
-    // const double eps = 1e-5;
-    // const double tau = 1e-6; // tolerance
+  // // check finite difference and forward mode similarity
+  // const double eps = 1e-5;
+  // const double tau = 1e-6; // tolerance
 
-    std::function<double(double)> _f = [](double x) {
-        using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
-        double res[5] = {0};
-        Kokkos::parallel_for("HelloWorld-forward", Policy(0, 5),
-        [&res, x](const int i) {
-            res[i] = x*x;
-        });
-        // all elements of res should be the same, so return one of them arbitrarily
-        return res[2];
-    };
+  std::function<double(double)> _f = [](double x) {
+    using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
+    double res[5] = {0};
+    Kokkos::parallel_for("HelloWorld-forward", Policy(0, 5),
+                         [&res, x](const int i) { res[i] = x * x; });
+    // all elements of res should be the same, so return one of them arbitrarily
+    return res[2];
+  };
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_diff = clad::differentiate(_f, 0/*x*/);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double f_diff_ex = f_diff.execute(x);
-    //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
-    //   EXPECT_NEAR(f_diff_ex, dx_f_FD, abs(tau*dx_f_FD));  
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_diff = clad::differentiate(_f, 0/*x*/);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double f_diff_ex = f_diff.execute(x);
+  //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
+  //   EXPECT_NEAR(f_diff_ex, dx_f_FD, abs(tau*dx_f_FD));
+  // }
 }
 
 TEST(ParallelFor, HelloWorldLambdaLoopReverse) {
-    // // check finite difference and reverse mode similarity
-    // const double eps = 1e-5;
-    // const double tau = 1e-6; // tolerance
+  // // check finite difference and reverse mode similarity
+  // const double eps = 1e-5;
+  // const double tau = 1e-6; // tolerance
 
-    std::function<double(double)> _f = [](double x) {
-        using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
-        double res[5] = {0};
-        Kokkos::parallel_for("HelloWorld-reverse", Policy(0, 5),
-        [&res, x](const int i) {
-            res[i] = x*x;
-        });
-        // all elements of res should be the same, so return one of them arbitrarily
-        return res[2];
-    };
+  std::function<double(double)> _f = [](double x) {
+    using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
+    double res[5] = {0};
+    Kokkos::parallel_for("HelloWorld-reverse", Policy(0, 5),
+                         [&res, x](const int i) { res[i] = x * x; });
+    // all elements of res should be the same, so return one of them arbitrarily
+    return res[2];
+  };
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_grad = clad::gradient(_f);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
-    //   double dx;
-    //   f_grad.execute(x, &dx);
-    //   EXPECT_NEAR(dx_f_FD, dx, abs(tau*dx));
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_grad = clad::gradient(_f);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
+  //   double dx;
+  //   f_grad.execute(x, &dx);
+  //   EXPECT_NEAR(dx_f_FD, dx, abs(tau*dx));
+  // }
 }
 
 double parallel_polynomial_for(double x) { // data races
-    using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
-    Kokkos::View <double[1], Kokkos::HostSpace> res("res");
-    res(0) = 0;
-    Kokkos::parallel_for("polycalc", Policy(0, 5), KOKKOS_LAMBDA(const int i) {
-        res(0) += pow(x, i+1)/(i+1);
-    });
-    // for (int i = 0; i < 6; ++i) {
-    //   res(0) += pow(x, i+1)/(i+1);
-    // }
-    return res(0);
+  using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
+  Kokkos::View<double[1], Kokkos::HostSpace> res("res");
+  res(0) = 0;
+  Kokkos::parallel_for(
+      "polycalc", Policy(0, 5),
+      KOKKOS_LAMBDA(const int i) { res(0) += pow(x, i + 1) / (i + 1); });
+  // for (int i = 0; i < 6; ++i) {
+  //   res(0) += pow(x, i+1)/(i+1);
+  // }
+  return res(0);
 }
 
 TEST(ParallelFor, ParallelPolynomialForward) {
-    // // check true derivative and forward mode similarity
-    // const double tau = 1e-5; // tolerance
+  // // check true derivative and forward mode similarity
+  // const double tau = 1e-5; // tolerance
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_diff = clad::differentiate(parallel_polynomial_for, "x");
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double f_diff_ex = f_diff.execute(x);
-    //   double dx_f_true = parallel_polynomial_true_derivative(x);
-    //   EXPECT_NEAR(f_diff_ex, dx_f_true, abs(tau*dx_f_true)); 
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_diff = clad::differentiate(parallel_polynomial_for, "x");
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double f_diff_ex = f_diff.execute(x);
+  //   double dx_f_true = parallel_polynomial_true_derivative(x);
+  //   EXPECT_NEAR(f_diff_ex, dx_f_true, abs(tau*dx_f_true));
+  // }
 }
 
 TEST(ParallelFor, ParallelPolynomialReverse) {
-    // // check true derivative and reverse mode similarity
-    // const double tau = 1e-5; // tolerance
+  // // check true derivative and reverse mode similarity
+  // const double tau = 1e-5; // tolerance
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_grad = clad::gradient(parallel_polynomial_for);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double dx_f_true = parallel_polynomial_true_derivative(x);
-    //   double dx = 0;
-    //   f_grad.execute(x, &dx);
-    //   EXPECT_NEAR(dx_f_true, dx, abs(tau*dx));
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_grad = clad::gradient(parallel_polynomial_for);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double dx_f_true = parallel_polynomial_true_derivative(x);
+  //   double dx = 0;
+  //   f_grad.execute(x, &dx);
+  //   EXPECT_NEAR(dx_f_true, dx, abs(tau*dx));
+  // }
 }
\ No newline at end of file
diff --git a/unittests/Kokkos/ParallelReduce.cpp b/unittests/Kokkos/ParallelReduce.cpp
index 7eb9c1b62..7ee7b92cd 100644
--- a/unittests/Kokkos/ParallelReduce.cpp
+++ b/unittests/Kokkos/ParallelReduce.cpp
@@ -5,84 +5,91 @@
 #include "ParallelAdd.h"
 
 TEST(ParallelReduce, HelloWorldLambdaLoopForward) {
-    // // check finite difference and forward mode similarity
-    // const double eps = 1e-5;
-    // const double tau = 1e-6; // tolerance
+  // // check finite difference and forward mode similarity
+  // const double eps = 1e-5;
+  // const double tau = 1e-6; // tolerance
 
-    std::function<double(double)> _f = [](double x) {
-      double res = 0.;
-      Kokkos::parallel_reduce("HelloWorld-forward", 5, KOKKOS_LAMBDA(const int& i, double& _res){ _res += x; }, res);
-      // res = 5*x;
-      return res;
-    };
+  std::function<double(double)> _f = [](double x) {
+    double res = 0.;
+    Kokkos::parallel_reduce(
+        "HelloWorld-forward", 5,
+        KOKKOS_LAMBDA(const int& i, double& _res) { _res += x; }, res);
+    // res = 5*x;
+    return res;
+  };
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_diff = clad::differentiate(_f, 0/*x*/);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double f_diff_ex = f_diff.execute(x);
-    //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
-    //   EXPECT_NEAR(f_diff_ex, dx_f_FD, abs(tau*dx_f_FD));  
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_diff = clad::differentiate(_f, 0/*x*/);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double f_diff_ex = f_diff.execute(x);
+  //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
+  //   EXPECT_NEAR(f_diff_ex, dx_f_FD, abs(tau*dx_f_FD));
+  // }
 }
 
 TEST(ParallelReduce, HelloWorldLambdaLoopReverse) {
-    // // check finite difference and reverse mode similarity
-    // const double eps = 1e-5;
-    // const double tau = 1e-6; // tolerance
+  // // check finite difference and reverse mode similarity
+  // const double eps = 1e-5;
+  // const double tau = 1e-6; // tolerance
 
-    std::function<double(double)> _f = [](double x) {
-      double res = 0.;
-      Kokkos::parallel_reduce("HelloWorld-reverse", 5, KOKKOS_LAMBDA(const int& i, double& _res){ _res += x; }, res);
-      // res = 5*x;
-      return res;
-    };
+  std::function<double(double)> _f = [](double x) {
+    double res = 0.;
+    Kokkos::parallel_reduce(
+        "HelloWorld-reverse", 5,
+        KOKKOS_LAMBDA(const int& i, double& _res) { _res += x; }, res);
+    // res = 5*x;
+    return res;
+  };
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_grad = clad::gradient(_f);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
-    //   double dx;
-    //   f_grad.execute(x, &dx);
-    //   EXPECT_NEAR(dx_f_FD, dx, abs(tau*dx));
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_grad = clad::gradient(_f);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double dx_f_FD = finite_difference_tangent(_f, x, eps);
+  //   double dx;
+  //   f_grad.execute(x, &dx);
+  //   EXPECT_NEAR(dx_f_FD, dx, abs(tau*dx));
+  // }
 }
 
 double parallel_polynomial_reduce(double x) {
-    using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
-    Kokkos::View <double[1], Kokkos::HostSpace> res("res");
-    res(0) = 0;
-    Kokkos::parallel_reduce("polycalc", Policy(0, 5), KOKKOS_LAMBDA(const int& i, double& _res) {
-        _res += pow(x, i+1)/(i+1);
-    }, res(0));
-    // for (int i = 0; i < 6; ++i) {
-    //   res(0) += pow(x, i+1)/(i+1);
-    // }
-    return res(0);
+  using Policy = Kokkos::RangePolicy<Kokkos::DefaultHostExecutionSpace>;
+  Kokkos::View<double[1], Kokkos::HostSpace> res("res");
+  res(0) = 0;
+  Kokkos::parallel_reduce(
+      "polycalc", Policy(0, 5),
+      KOKKOS_LAMBDA(const int& i, double& _res) {
+        _res += pow(x, i + 1) / (i + 1);
+      },
+      res(0));
+  // for (int i = 0; i < 6; ++i) {
+  //   res(0) += pow(x, i+1)/(i+1);
+  // }
+  return res(0);
 }
 
 TEST(ParallelReduce, ParallelPolynomialForward) {
-    // // check true derivative and forward mode similarity
-    // const double tau = 1e-5; // tolerance
+  // // check true derivative and forward mode similarity
+  // const double tau = 1e-5; // tolerance
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_diff = clad::differentiate(parallel_polynomial_reduce, "x");
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double f_diff_ex = f_diff.execute(x);
-    //   double dx_f_true = parallel_polynomial_true_derivative(x);
-    //   EXPECT_NEAR(f_diff_ex, dx_f_true, abs(tau*dx_f_true)); 
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_diff = clad::differentiate(parallel_polynomial_reduce, "x");
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double f_diff_ex = f_diff.execute(x);
+  //   double dx_f_true = parallel_polynomial_true_derivative(x);
+  //   EXPECT_NEAR(f_diff_ex, dx_f_true, abs(tau*dx_f_true));
+  // }
 }
 
 TEST(ParallelReduce, ParallelPolynomialReverse) {
-    // // check true derivative and reverse mode similarity
-    // const double tau = 1e-5; // tolerance
+  // // check true derivative and reverse mode similarity
+  // const double tau = 1e-5; // tolerance
 
-    // // TODO: uncomment this once it has been implemented
-    // auto f_grad = clad::gradient(parallel_polynomial_reduce);
-    // for (double x = -2; x <= 2; x += 1) {
-    //   double dx_f_true = parallel_polynomial_true_derivative(x);
-    //   double dx = 0;
-    //   f_grad.execute(x, &dx);
-    //   EXPECT_NEAR(dx_f_true, dx, abs(tau*dx));
-    // }
+  // // TODO: uncomment this once it has been implemented
+  // auto f_grad = clad::gradient(parallel_polynomial_reduce);
+  // for (double x = -2; x <= 2; x += 1) {
+  //   double dx_f_true = parallel_polynomial_true_derivative(x);
+  //   double dx = 0;
+  //   f_grad.execute(x, &dx);
+  //   EXPECT_NEAR(dx_f_true, dx, abs(tau*dx));
+  // }
 }
\ No newline at end of file
diff --git a/unittests/Kokkos/TestUtils.h b/unittests/Kokkos/TestUtils.h
index cb72905b7..ab55219aa 100644
--- a/unittests/Kokkos/TestUtils.h
+++ b/unittests/Kokkos/TestUtils.h
@@ -3,19 +3,24 @@
 #ifndef KOKKOS_UNITTEST_UTILS
 #define KOKKOS_UNITTEST_UTILS
 
-template <typename T> // comparison with the finite difference approx. has been tested in the initial PR for Kokkos-aware Clad by Kim Liegeois
-T finite_difference_tangent(std::function<T(T)> func, const T& x, const T& epsilon) {
-  return (func(x+epsilon)-func(x-epsilon)) / (2 * epsilon);
+template <typename T> // comparison with the finite difference approx. has been
+                      // tested in the initial PR for Kokkos-aware Clad by Kim
+                      // Liegeois
+T finite_difference_tangent(std::function<T(T)> func, const T& x,
+                            const T& epsilon) {
+  return (func(x + epsilon) - func(x - epsilon)) / (2 * epsilon);
 }
 
-double parallel_polynomial_true_derivative(double x) { // the true derivative of the polynomial tested in ParallelFor.cpp and ParallelReduce.cpp
-    double res = 0;
-    double x_c = 1;
-    for (unsigned i = 0; i < 6; ++i) {
-        res += x_c;
-        x_c *= x;
-    }
-    return res;
+double parallel_polynomial_true_derivative(
+    double x) { // the true derivative of the polynomial tested in
+                // ParallelFor.cpp and ParallelReduce.cpp
+  double res = 0;
+  double x_c = 1;
+  for (unsigned i = 0; i < 6; ++i) {
+    res += x_c;
+    x_c *= x;
+  }
+  return res;
 }
 
 #endif
\ No newline at end of file
diff --git a/unittests/Kokkos/ViewBasics.cpp b/unittests/Kokkos/ViewBasics.cpp
index 3453c4738..d08c94a61 100644
--- a/unittests/Kokkos/ViewBasics.cpp
+++ b/unittests/Kokkos/ViewBasics.cpp
@@ -1,23 +1,24 @@
 // Very basic Kokkos::View usage test that should work by all means
-// inspired by https://github.com/kliegeois/clad/blob/kokkos-PR/unittests/Kokkos/view_access.cpp
+// inspired by
+// https://github.com/kliegeois/clad/blob/kokkos-PR/unittests/Kokkos/view_access.cpp
 // it has been modified to match gtest guidelines and improve readability
 
+#include "ParallelAdd.h"
+#include "TestUtils.h"
 #include <Kokkos_Core.hpp>
 #include "clad/Differentiator/Differentiator.h"
 #include "gtest/gtest.h"
-#include "TestUtils.h"
-#include "ParallelAdd.h"
 
 double f(double x, double y) {
   const int N = 2;
 
-  Kokkos::View<double*[N], Kokkos::HostSpace> a("a", N);
-  Kokkos::View<double*[N], Kokkos::HostSpace> b("b", N);
+  Kokkos::View<double* [N], Kokkos::HostSpace> a("a", N);
+  Kokkos::View<double* [N], Kokkos::HostSpace> b("b", N);
 
-  a(0,0) = x;
-  b(0,0) = y*x;
+  a(0, 0) = x;
+  b(0, 0) = y * x;
 
-  return a(0,0) + a(0,0)*b(0,0) + b(0,0);
+  return a(0, 0) + a(0, 0) * b(0, 0) + b(0, 0);
 }
 
 TEST(ViewBasics, TestAccessForward) {
@@ -32,7 +33,7 @@ TEST(ViewBasics, TestAccessForward) {
   //   for (double x = 3; x <= 5; x += 1) {
   //     double f_x_ex = f_x.execute(x, y);
   //     double dx_f_FD = finite_difference_tangent(f_tmp, x, eps);
-  //     EXPECT_NEAR(f_x_ex, dx_f_FD, abs(tau*dx_f_FD));  
+  //     EXPECT_NEAR(f_x_ex, dx_f_FD, abs(tau*dx_f_FD));
   //   }
   // }
 }
@@ -58,16 +59,16 @@ TEST(ViewBasics, TestAccessReverse) {
 double f_2(double x, double y) {
   const int N = 2;
 
-  Kokkos::View<double*[4], Kokkos::LayoutLeft, Kokkos::HostSpace> a("a", N);
-  Kokkos::View<double*[4], Kokkos::LayoutLeft, Kokkos::HostSpace> b("b", N);
+  Kokkos::View<double* [4], Kokkos::LayoutLeft, Kokkos::HostSpace> a("a", N);
+  Kokkos::View<double* [4], Kokkos::LayoutLeft, Kokkos::HostSpace> b("b", N);
 
-  Kokkos::deep_copy(a, 3*x+y);
-  b(0,0) = x;
+  Kokkos::deep_copy(a, 3 * x + y);
+  b(0, 0) = x;
   Kokkos::deep_copy(b, a);
 
-  b(0,0) = b(0,0) + a(0,0) * b(0,0);
+  b(0, 0) = b(0, 0) + a(0, 0) * b(0, 0);
 
-  return a(0,0); // derivative wrt x is constantly 3
+  return a(0, 0); // derivative wrt x is constantly 3
 }
 
 TEST(ViewBasics, TestDeepCopyForward) {
@@ -82,7 +83,7 @@ TEST(ViewBasics, TestDeepCopyForward) {
   //   for (double x = 3; x <= 5; x += 1) {
   //     double f_x_ex = f_x.execute(x, y);
   //     double dx_f_FD = finite_difference_tangent(f_tmp, x, eps);
-  //     EXPECT_NEAR(f_x_ex, dx_f_FD, abs(tau*dx_f_FD));  
+  //     EXPECT_NEAR(f_x_ex, dx_f_FD, abs(tau*dx_f_FD));
   //   }
   // }
 }
@@ -111,13 +112,13 @@ double f_3(double x, double y) {
   Kokkos::View<double*, Kokkos::LayoutLeft, Kokkos::HostSpace> a("a", N);
   Kokkos::View<double*, Kokkos::LayoutLeft, Kokkos::HostSpace> b("b", N);
 
-  Kokkos::deep_copy(a, 3*y+x+50);
-  b(1) = x*y;
+  Kokkos::deep_copy(a, 3 * y + x + 50);
+  b(1) = x * y;
   Kokkos::deep_copy(b, a);
 
   b(1) = b(1) + a(0) * b(1);
 
-  a(1) = x*x*x;
+  a(1) = x * x * x;
   a(0) += a(1);
 
   return a(0); // derivative of this wrt y is constantly 3
@@ -135,7 +136,7 @@ TEST(ViewBasics, TestDeepCopy2Forward) {
   //   for (double y = 3; y <= 5; y += 1) {
   //     double f_y_ex = f_y.execute(x, y);
   //     double dy_f_FD = finite_difference_tangent(f_tmp, y, eps);
-  //     EXPECT_NEAR(f_y_ex, dy_f_FD, abs(tau*dy_f_FD));  
+  //     EXPECT_NEAR(f_y_ex, dy_f_FD, abs(tau*dy_f_FD));
   //   }
   // }
 }