Fix CUDA compilation

1 files changed, 3 insertions, 0 deletions

diff --git a/Eigen/src/Core/arch/CUDA/MathFunctions.h b/Eigen/src/Core/arch/CUDA/MathFunctions.h
index 1f2eca061..5b5bf4c94 100644
--- a/Eigen/src/Core/arch/CUDA/MathFunctions.h
+++ b/Eigen/src/Core/arch/CUDA/MathFunctions.h
@@ -27,6 +27,7 @@ float4 plog<float4>(const float4& a)
 template<>  EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
 double2 plog<double2>(const double2& a)
 {
+  using ::log;
   return make_double2(log(a.x), log(a.y));
 }
 
@@ -39,6 +40,7 @@ float4 pexp<float4>(const float4& a)
 template<> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
 double2 pexp<double2>(const double2& a)
 {
+  using ::exp;
   return make_double2(exp(a.x), exp(a.y));
 }
 
@@ -51,6 +53,7 @@ float4 psqrt<float4>(const float4& a)
 template<> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
 double2 psqrt<double2>(const double2& a)
 {
+  using ::sqrt;
   return make_double2(sqrt(a.x), sqrt(a.y));
 }