Fixed HDFFV-10472

Description:
    Added operator!= to DataType
        bool operator!=(const DataType& compared_type)
Platforms tested:
    Linux/64 (jelly)
    Linux/32 (jam)
    Darwin (osx1010test)

2 files changed, 17 insertions, 0 deletions

diff --git a/c++/src/H5DataType.cpp b/c++/src/H5DataType.cpp
index e460871..28933dd 100644
--- a/c++/src/H5DataType.cpp
+++ b/c++/src/H5DataType.cpp
@@ -396,6 +396,20 @@ bool DataType::operator==(const DataType& compared_type) const
 }
 
 //--------------------------------------------------------------------------
+// Function:    DataType::operator!=
+///\brief       Compares this DataType against the given one to determines
+///             whether the two objects refer to different actual datatypes.
+///\param       compared_type - IN: Reference to the datatype to compare
+///\return      true if the datatypes are not equal, and false, otherwise.
+///\exception   H5::DataTypeIException
+// July, 2018
+//--------------------------------------------------------------------------
+bool DataType::operator!=(const DataType& compared_type) const
+{
+    return !operator==(compared_type);
+}
+
+//--------------------------------------------------------------------------
 // Function:    DataType::p_commit (private)
 //\brief        Commits a transient datatype to a file, creating a new
 //              named datatype
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;