int8_tArray starting_point_arr = (*env)->NewByteArray(env, 33);
(*env)->SetByteArrayRegion(env, starting_point_arr, 0, 33, starting_point.compressed_form);
jobject obj = (*env)->NewLocalRef(env, j_calls->o);
int8_tArray starting_point_arr = (*env)->NewByteArray(env, 33);
(*env)->SetByteArrayRegion(env, starting_point_arr, 0, 33, starting_point.compressed_form);
jobject obj = (*env)->NewLocalRef(env, j_calls->o);