def test_2nd_sheet_schwarz():
schwarz(sheet_2, 1.3 + 4.0j)
def test_schwarz():
real_part = 0.760**2
imaginary_parts = np.linspace(-1e4, 1e4, 20)
mandelstam_s = real_part + 1j * imaginary_parts
schwarz(nlo, mandelstam_s)
def test_schwarz(function):
"""Check if the Omnes function fulfills the Schwarz reflection princple."""
real_part = 0.760**2
imaginary_parts = np.linspace(-1e4, 1e4, 20)
mandelstam_s = real_part + 1j * imaginary_parts
schwarz(function, mandelstam_s)
def test_schwarz(function, vertical_line):
schwarz(function, vertical_line)