MAINT: Do not test zero powers

Fixes missing backports that can wait until 1.24.x.
numpy · Dec 19, 2022 · f930e48 · f930e48
1 parent 116c94c
commit f930e48
Showing 1 changed file with 0 additions and 27 deletions.
diff --git a/numpy/core/tests/test_umath.py b/numpy/core/tests/test_umath.py
@@ -1078,33 +1078,6 @@ def assert_complex_equal(x, y):
                 assert_complex_equal(np.power(zero, -p), cnan)
             assert_complex_equal(np.power(zero, -1+0.2j), cnan)
 
-    @pytest.mark.skipif(IS_WASM, reason="fp errors don't work in wasm")
-    def test_zero_power_nonzero(self):
-        # Testing 0^{Non-zero} issue 18378
-        zero = np.array([0.0+0.0j])
-        cnan = np.array([complex(np.nan, np.nan)])
-
-        def assert_complex_equal(x, y):
-            assert_array_equal(x.real, y.real)
-            assert_array_equal(x.imag, y.imag)
-
-        #Complex powers with positive real part will not generate a warning
-        assert_complex_equal(np.power(zero, 1+4j), zero)
-        assert_complex_equal(np.power(zero, 2-3j), zero)
-        #Testing zero values when real part is greater than zero
-        assert_complex_equal(np.power(zero, 1+1j), zero)
-        assert_complex_equal(np.power(zero, 1+0j), zero)
-        assert_complex_equal(np.power(zero, 1-1j), zero)
-        #Complex powers will negative real part or 0 (provided imaginary
-        # part is not zero) will generate a NAN and hence a RUNTIME warning
-        with pytest.warns(expected_warning=RuntimeWarning) as r:
-            assert_complex_equal(np.power(zero, -1+1j), cnan)
-            assert_complex_equal(np.power(zero, -2-3j), cnan)
-            assert_complex_equal(np.power(zero, -7+0j), cnan)
-            assert_complex_equal(np.power(zero, 0+1j), cnan)
-            assert_complex_equal(np.power(zero, 0-1j), cnan)
-        assert len(r) == 5
-
     def test_fast_power(self):
         x = np.array([1, 2, 3], np.int16)
         res = x**2.0