def test_mean_wave_period(U):
"""
test the wave period
"""
w = Waves(test_wind_5, default_water)
print "testing for U:", U
f = w.mean_wave_period(U)
print f
def test_mean_wave_period_with_fetch(U):
"""
Test the wave period
"""
print "testing for U:", U
water = copy(default_water)
water.fetch = 1e4 # 10km
w = Waves(test_wind_5, water) # 10km fetch
T = w.mean_wave_period(U)
print T