def test_make_p0_pd_appropriate():
options = gsim.Options()
#bnd = gsim.get_start_srt(options)
p0 = gfit_pd.make_p0(options)
# correct length
assert_equal(p0.size, 11)
# check baseline is in range 0:20 Hz, which seems reasonable
assert_((p0[0] >= 0) & (p0[0] <= 20.))
# check thetas are in range 0:pi, phis in 0:2pi
thetas = p0[np.array([1,3])]
assert_(np.all(thetas >= 0.))
assert_(np.all(thetas < np.pi))
phi = p0[np.array([2,4])]
assert_(np.all(phi >= 0.))
assert_(np.all(phi < (2 * np.pi)))
# check amplitudes are in range 10:150 Hz
assert_(np.all(p0[5:7] >= 0) & np.all(p0[5:7] <= 150.))
assert_(np.all(p0[5:7] >= 0) & np.all(p0[5:7] <= 150.))
# check widths are in range 0:0.5 s
assert_(np.all(p0[-4:-2] >= 0) & np.all(p0[-4:-2] <= .5))
assert_(np.all(p0[-4:-2] >= 0) & np.all(p0[-4:-2] <= .5))
# check centers are in range 0:1 s
assert_(np.all(p0[-2:] >= 0) & np.all(p0[-2:] <= 1))
assert_(np.all(p0[-2:] >= 0) & np.all(p0[-2:] <= 1))
def test_pd_unpackp():
options = gsim.Options()
p0 = gfit_pd.make_p0(options)
b0, pd, amp, width, center = gfit_pd.unpackp(p0, options.n)
assert_equal(b0, 5)
assert_array_almost_equal(pd, np.array([[0., 0., 1.], [0., 0., 1.]]))
assert_equal(amp, [75, 75])
assert_equal(width, curves.fwhm2k(.3))
assert_equal(center, [options.tt/3., options.tt * 2 / 3.])
