Fixed compilation warning

1 files changed, 2 insertions, 2 deletions

diff --git a/unsupported/test/cxx11_tensor_argmax.cpp b/unsupported/test/cxx11_tensor_argmax.cpp
index c9052941d..50904d5bc 100644
--- a/unsupported/test/cxx11_tensor_argmax.cpp
+++ b/unsupported/test/cxx11_tensor_argmax.cpp
@@ -208,7 +208,7 @@ static void test_argmax_dim()
 
     VERIFY_IS_EQUAL(tensor_argmax.size(),
                     ptrdiff_t(2*3*5*7 / tensor.dimension(dim)));
-    for (size_t n = 0; n < tensor_argmax.dimensions().TotalSize(); ++n) {
+    for (ptrdiff_t n = 0; n < tensor_argmax.dimensions().TotalSize(); ++n) {
       // Expect max to be in the last index of the reduced dimension
       VERIFY_IS_EQUAL(tensor_argmax.data()[n], tensor.dimension(dim) - 1);
     }
@@ -266,7 +266,7 @@ static void test_argmin_dim()
 
     VERIFY_IS_EQUAL(tensor_argmin.size(),
                     ptrdiff_t(2*3*5*7 / tensor.dimension(dim)));
-    for (size_t n = 0; n < tensor_argmin.dimensions().TotalSize(); ++n) {
+    for (ptrdiff_t n = 0; n < tensor_argmin.dimensions().TotalSize(); ++n) {
       // Expect min to be in the last index of the reduced dimension
       VERIFY_IS_EQUAL(tensor_argmin.data()[n], tensor.dimension(dim) - 1);
     }