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| author | Charles Harris <charlesr.harris@gmail.com> | 2014-02-16 11:27:45 -0700 |
|---|---|---|
| committer | Charles Harris <charlesr.harris@gmail.com> | 2014-02-16 11:42:56 -0700 |
| commit | 1c2ac8fd02cf6db60b2e15ec994b8febe025424a (patch) | |
| tree | 866c7e467a5d1d32f826c7eef50bf750081713be /numpy/lib/tests/test_function_base.py | |
| parent | 2868dc4a0513f58eafc013f3ba3d84ae07113199 (diff) | |
| download | numpy-1c2ac8fd02cf6db60b2e15ec994b8febe025424a.tar.gz | |
BUG: Make interp return NaN at NaN interpolation points.
A NaN interpolation point was interpreted as out of bounds on the left
side, hence the value of the left parameter in the function call was
returned.
>>> np.interp(np.nan, [-10, 10], [-2, 2])
-2.0
NaN is a better choice.
Closes #605.
Diffstat (limited to 'numpy/lib/tests/test_function_base.py')
| -rw-r--r-- | numpy/lib/tests/test_function_base.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py index 003d3e541..8035ac002 100644 --- a/numpy/lib/tests/test_function_base.py +++ b/numpy/lib/tests/test_function_base.py @@ -1490,6 +1490,8 @@ class TestInterp(TestCase): assert_almost_equal(np.interp(x0, x, y), x0) x0 = np.float64(.3) assert_almost_equal(np.interp(x0, x, y), x0) + x0 = np.nan + assert_almost_equal(np.interp(x0, x, y), x0) def test_zero_dimensional_interpolation_point(self): x = np.linspace(0, 1, 5) |