load to gpu seems to work but the values are different than from python?

src/hurricanedata/datareader.h

@@ -5,6 +5,6 @@
 #include <string>
 
 std::vector<float> readData(std::string path, std::string variableName);
-struct cudaArray* loadDataToDevice(std::string path, std::string variableName);
+std::pair<float*, size_t> loadDataToDevice(std::string path, std::string variableName);
 
 #endif //DATAREADER_H