def __init__(self, measure_name, trig_name, targ_name, trig_dir_str, targ_dir_str, trig_vdd=0.5, targ_vdd=0.5, measure_scale=None, has_port=True):
    spice_measurement.__init__(self, measure_name, measure_scale, has_port)
    self.set_meas_constants(trig_name, targ_name, trig_dir_str, targ_dir_str, trig_vdd, targ_vdd)
def __init__(self, measure_name, trig_name, targ_name, trig_dir_str, targ_dir_str, trig_vdd=0.5, targ_vdd=0.5, measure_scale=None, has_port=True):
    spice_measurement.__init__(self, measure_name, measure_scale, has_port)
    self.set_meas_constants(trig_name, targ_name, trig_dir_str, targ_dir_str, trig_vdd, targ_vdd)