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-rw-r--r--unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h2
-rw-r--r--unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h b/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
index c94ed977e..eed0a9f05 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorIndexList.h
@@ -10,7 +10,7 @@
#ifndef EIGEN_CXX11_TENSOR_TENSOR_INDEX_LIST_H
#define EIGEN_CXX11_TENSOR_TENSOR_INDEX_LIST_H
-#if __cplusplus > 199711L
+#ifdef EIGEN_HAS_CONSTEXPR
namespace Eigen {
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h b/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
index 83ba1df71..21416afe0 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorReduction.h
@@ -53,7 +53,7 @@ struct preserve_inner_most_dims {
static const bool value = false;
};
-#if __cplusplus > 199711L
+#ifdef EIGEN_HAS_CONSTEXPR
template <typename ReducedDims, int NumTensorDims>
struct are_inner_most_dims<ReducedDims, NumTensorDims, ColMajor>{
static const bool value = indices_statically_known_to_increase<ReducedDims>()() &&