def testHarmonic(self):
py.test.raises(ValueError, funcs.harmonic, -1)
py.test.raises(ValueError, funcs.harmonic, 0)
assert funcs.harmonic(1) == fractions.Fraction(1, 1)
assert funcs.harmonic(2) == fractions.Fraction(3, 2)
assert funcs.harmonic(3) == fractions.Fraction(11, 6)
assert funcs.harmonic(4) == fractions.Fraction(25, 12)
assert funcs.harmonic(5) == fractions.Fraction(137, 60)
assert funcs.harmonic(6) == fractions.Fraction(49, 20)
assert funcs.harmonic(7) == fractions.Fraction(363, 140)
assert funcs.harmonic(8) == fractions.Fraction(761, 280)
assert funcs.harmonic(9) == fractions.Fraction(7129, 2520)
assert funcs.harmonic(10) == fractions.Fraction(7381, 2520)
def testGeneralizedHarmonic(self):
py.test.raises(ValueError, funcs.harmonic_g, -1, 1)
py.test.raises(ValueError, funcs.harmonic_g, 0, 1)
assert funcs.harmonic_g(10, 1) == funcs.harmonic(10)
assert funcs.harmonic_g(2, 1) == fractions.Fraction(3, 2)
assert funcs.harmonic_g(3, 2) == fractions.Fraction(49, 36)
assert funcs.harmonic_g(4, 4) == fractions.Fraction(22369, 20736)
assert funcs.harmonic_g(2, 3) == fractions.Fraction(9, 8)
assert funcs.harmonic_g(4, 2) == fractions.Fraction(205, 144)
assert funcs.harmonic_g(4, 4) == fractions.Fraction(22369, 20736)