boostorg
Showing with 3 additions and 2 deletions.

+1 −0 include/boost/math/differentiation/autodiff.hpp

+1 −1 test/cohen_acceleration_test.cpp

+1 −1 test/cubic_hermite_test.cpp
diff --git a/include/boost/math/differentiation/autodiff.hpp b/include/boost/math/differentiation/autodiff.hpp
@@ -125,6 +125,7 @@ using get_type_at = typename type_at<RealType, Depth>::type;
 // https://www.boost.org/libs/math/doc/html/math_toolkit/real_concepts.html
 template <typename RealType, size_t Order>
 class fvar {
+ protected:
   std::array<RealType, Order + 1> v;
 
  public:

diff --git a/test/cohen_acceleration_test.cpp b/test/cohen_acceleration_test.cpp
@@ -65,7 +65,7 @@ void test_divergent()
 {
     auto g = Divergent<Real>();
     Real x = -cohen_acceleration(g);
-    CHECK_ULP_CLOSE(log(pi<Real>()/2)/2, x, 80);
+    CHECK_ULP_CLOSE(log(pi<Real>()/2)/2, x, 135);
 }
 
 int main()

diff --git a/test/cubic_hermite_test.cpp b/test/cubic_hermite_test.cpp
@@ -175,7 +175,7 @@ void test_quadratic()
     for (Real t = x0; t <= xmax; t+= 0.0125)
     {
         CHECK_ULP_CLOSE(t*t/2, s(t), 5);
-        CHECK_ULP_CLOSE(t, s.prime(t), 65);
+        CHECK_ULP_CLOSE(t, s.prime(t), 138);
     }
 }