1 files changed, 3 insertions, 0 deletions
diff --git a/c++/src/H5DataType.h b/c++/src/H5DataType.h
index 52fd4de..e4d9e4b 100644
--- a/c++/src/H5DataType.h
+++ b/c++/src/H5DataType.h
@@ -90,6 +90,9 @@ class H5_DLLCPP DataType : public H5Object {
         // Determines whether two datatypes are the same.
         bool operator==(const DataType& compared_type) const;
 
+        // Determines whether two datatypes are not the same.
+        bool operator!=(const DataType& compared_type) const;
+
         // Locks a datatype.
         void lock() const;