Worked on the OSGeo/gdal repository to deliver a new feature in the GDAL GTiff writer, enabling support for the Float16 data type when using PREDICTOR=3. This addition required careful C++ development and Python scripting to implement the data-type handling and to create a dedicated regression test validating the new functionality. The work included updating error handling routines to ensure robust support for Float16, addressing the need for more memory-efficient geospatial data processing. By focusing on testing and reliability, the changes improved compatibility for larger datasets and aligned the GTiff writer with evolving requirements in image processing workflows.