diff options
| -rw-r--r-- | numpy/core/src/umath/scalarmath.c.src | 5 | ||||
| -rw-r--r-- | numpy/core/tests/test_scalarmath.py | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/numpy/core/src/umath/scalarmath.c.src b/numpy/core/src/umath/scalarmath.c.src index 3936efbdf..a425faf3c 100644 --- a/numpy/core/src/umath/scalarmath.c.src +++ b/numpy/core/src/umath/scalarmath.c.src @@ -523,9 +523,12 @@ static NPY_INLINE int { #if @uns@ *out = -a; + if (a == 0) { + return 0; + } return NPY_FPE_OVERFLOW; #elif @int@ - if(a == NPY_MIN_@NAME@){ + if (a == NPY_MIN_@NAME@){ *out = a; return NPY_FPE_OVERFLOW; } diff --git a/numpy/core/tests/test_scalarmath.py b/numpy/core/tests/test_scalarmath.py index a358d4f5f..e3dc52c48 100644 --- a/numpy/core/tests/test_scalarmath.py +++ b/numpy/core/tests/test_scalarmath.py @@ -923,6 +923,8 @@ def test_scalar_unsigned_integer_overflow(dtype): with pytest.warns(RuntimeWarning, match="overflow encountered"): -val + zero = np.dtype(dtype).type(0) + -zero # does not warn @pytest.mark.parametrize("dtype", np.typecodes["AllInteger"]) @pytest.mark.parametrize("operation", [ |