Remove _data suffix from class members
Remove the redundant _data suffix for input_data_ and output_data_. The names are getting too long when also adding suffixes like _transposed, so they are removed now in preparation for new code.
Remove the redundant _data suffix for input_data_ and output_data_. The names are getting too long when also adding suffixes like _transposed, so they are removed now in preparation for new code.