skip test_float_to_fp8e4m3_extreme_values (#17228)

fp8 overflow behavior changed in torch 2.13.0, skipped the test for now
2026-07-26 21:01:51 -04:00
parent 456b5b5060
commit 0f98212e80
1 changed files with 1 additions and 0 deletions
@@ -124,6 +124,7 @@ class TestFp8sConversions(unittest.TestCase):
  def test_float_to_fp8e4m3(self, x):
    np.testing.assert_equal(float_to_fp8(x, dtypes.fp8e4m3), torch.tensor(x, dtype=torch.float8_e4m3fn).view(torch.uint8).item())

+  @unittest.skip("fp8 overflow semantics are inconsistent")
  def test_float_to_fp8e4m3_extreme_values(self):
    for x in [FP8E4M3_MAX, FP8E4M3_MAX*1.01, -FP8E4M3_MAX, -FP8E4M3_MAX*1.01, math.inf, -math.inf, math.nan, -math.nan]:
      np.testing.assert_equal(float_to_fp8(x, dtypes.fp8e4m3), torch.tensor(x, dtype=torch.float8_e4m3fn).view(torch.uint8).item())