def exit_with_parsing_error():
    print("Invalid argument(s).")
    usage()
    sys.exit(2)
Return multiplication of two quaternions.
dataset/ETHPy150Open uwdata/termite-data-server/web2py/scripts/dict_diff.py/exit_with_parsing_error--crossover with--dataset/ETHPy150Open IEEERobotics/bot/bot/hardware/complex_hardware/transformations.py/quaternion_multiply