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| author | Lars Buitinck <larsmans@gmail.com> | 2015-01-27 16:31:37 +0100 |
|---|---|---|
| committer | Lars Buitinck <larsmans@gmail.com> | 2015-02-07 13:38:56 +0100 |
| commit | 24cf7c9671b45e891a6c35b4f576fff3dff5c00e (patch) | |
| tree | 56532c6ccbf4a32fcf3fbf13293e586ffc9e4157 | |
| parent | 1b21f1f36cad96ee4a3294830742b56e2b830b79 (diff) | |
| download | cython-24cf7c9671b45e891a6c35b4f576fff3dff5c00e.tar.gz | |
test: assert that isinf returns -1 for negative infinity
Makes sure (and documents, in a sense) that isinf's declaration as returning
a bint preserves its C semantics.
| -rw-r--r-- | tests/run/numpy_math.pyx | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tests/run/numpy_math.pyx b/tests/run/numpy_math.pyx index 48fe7cce8..eafd23a81 100644 --- a/tests/run/numpy_math.pyx +++ b/tests/run/numpy_math.pyx @@ -37,7 +37,8 @@ def test_fp_classif(): assert not npmath.isnan(d_zero) assert not npmath.isnan(f_zero) - assert npmath.isinf(npmath.INFINITY) + assert npmath.isinf(npmath.INFINITY) == 1 + assert npmath.isinf(-npmath.INFINITY) == -1 assert npmath.isnan(npmath.NAN) assert npmath.signbit(npmath.copysign(1., -1.)) |