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Diffstat (limited to 'numpy/lib/tests')
| -rw-r--r-- | numpy/lib/tests/test_financial.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_financial.py b/numpy/lib/tests/test_financial.py index 6b7c6ef53..41a060a3f 100644 --- a/numpy/lib/tests/test_financial.py +++ b/numpy/lib/tests/test_financial.py @@ -13,6 +13,21 @@ class TestFinancial(TestCase): v = [-150000, 15000, 25000, 35000, 45000, 60000] assert_almost_equal(np.irr(v), 0.0524, 2) + v = [-100, 0, 0, 74] + assert_almost_equal(np.irr(v), + -0.0955, 2) + v = [-100, 39, 59, 55, 20] + assert_almost_equal(np.irr(v), + 0.28095, 2) + v = [-100, 100, 0, -7] + assert_almost_equal(np.irr(v), + -0.0833, 2) + v = [-100, 100, 0, 7] + assert_almost_equal(np.irr(v), + 0.06206, 2) + v = [-5, 10.5, 1, -8, 1] + assert_almost_equal(np.irr(v), + 0.0886, 2) def test_pv(self): assert_almost_equal(np.pv(0.07, 20, 12000, 0), |