Added the EIGEN_HAS_CONSTEXPR define

Gate the tensor index list code based on the value of EIGEN_HAS_CONSTEXPR

1 files changed, 4 insertions, 4 deletions

diff --git a/unsupported/test/cxx11_tensor_reduction.cpp b/unsupported/test/cxx11_tensor_reduction.cpp
index 5c3184833..0269853a9 100644
--- a/unsupported/test/cxx11_tensor_reduction.cpp
+++ b/unsupported/test/cxx11_tensor_reduction.cpp
@@ -284,7 +284,7 @@ static void test_static_dims() {
   Tensor<float, 2, DataLayout> out(72, 97);
   in.setRandom();
 
-#if __cplusplus <= 199711L
+#ifndef EIGEN_HAS_CONSTEXPR 
   array<int, 2> reduction_axis;
   reduction_axis[0] = 1;
   reduction_axis[1] = 3;
@@ -314,7 +314,7 @@ static void test_innermost_last_dims() {
   in.setRandom();
 
 // Reduce on the innermost dimensions.
-#if __cplusplus <= 199711L
+#ifndef EIGEN_HAS_CONSTEXPR
   array<int, 2> reduction_axis;
   reduction_axis[0] = 0;
   reduction_axis[1] = 1;
@@ -345,7 +345,7 @@ static void test_innermost_first_dims() {
   in.setRandom();
 
 // Reduce on the innermost dimensions.
-#if __cplusplus <= 199711L
+#ifndef EIGEN_HAS_CONSTEXPR
   array<int, 2> reduction_axis;
   reduction_axis[0] = 2;
   reduction_axis[1] = 3;
@@ -376,7 +376,7 @@ static void test_reduce_middle_dims() {
   in.setRandom();
 
 // Reduce on the innermost dimensions.
-#if __cplusplus <= 199711L
+#ifndef EIGEN_HAS_CONSTEXPR
   array<int, 2> reduction_axis;
   reduction_axis[0] = 1;
   reduction_axis[1] = 2;