diff options
| author | Crucible <crucible@localhost> | 2026-09-24 16:55:33 -0500 |
|---|---|---|
| committer | Crucible <crucible@localhost> | 2026-09-24 16:55:33 -0500 |
| commit | 6295f37a70d50a32011b5a1ee7793fea329cd5f2 (patch) | |
| tree | 11a38d28475be98b7cf8226e8aa2a95aeb7d771e /dev-python/gfloat/files | |
| parent | 2c54208beece2b6a1243a50c850e195d1a42d716 (diff) | |
| download | srcux-6295f37a70d50a32011b5a1ee7793fea329cd5f2.tar.gz srcux-6295f37a70d50a32011b5a1ee7793fea329cd5f2.tar.xz srcux-6295f37a70d50a32011b5a1ee7793fea329cd5f2.zip | |
Publish srcux candidate 0000000383-20260924-165302
Diffstat (limited to 'dev-python/gfloat/files')
| -rw-r--r-- | dev-python/gfloat/files/gfloat-0.5.2-signed-zero-overflow.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/dev-python/gfloat/files/gfloat-0.5.2-signed-zero-overflow.patch b/dev-python/gfloat/files/gfloat-0.5.2-signed-zero-overflow.patch deleted file mode 100644 index fd011671ecfe..000000000000 --- a/dev-python/gfloat/files/gfloat-0.5.2-signed-zero-overflow.patch +++ /dev/null @@ -1,51 +0,0 @@ -From 575ceff2babe3e54795ec4ce441ec8e981462f9b Mon Sep 17 00:00:00 2001 -From: Andrew Fitzgibbon <awf@fitzgibbon.ie> -Date: Fri, 18 Sep 2026 15:58:51 +0100 -Subject: [PATCH] Fix binary64 ndarray encoding overflow for signed zero - ---- - src/gfloat/encode_ndarray.py | 5 ++++- - test/test_encode.py | 17 +++++++++++++++++ - 2 files changed, 21 insertions(+), 1 deletion(-) - -diff --git a/src/gfloat/encode_ndarray.py b/src/gfloat/encode_ndarray.py -index af883e4..3d5981c 100644 ---- a/src/gfloat/encode_ndarray.py -+++ b/src/gfloat/encode_ndarray.py -@@ -51,7 +51,10 @@ def encode_ndarray(fi: FormatInfo, v: npt.NDArray) -> npt.NDArray: - - if fi.has_zero: - if fi.has_nz: -- code[v == 0] = np.where(sign[v == 0], fi.code_of_negzero, fi.code_of_zero) -+ # binary64's negative-zero code exceeds the signed int64 range. -+ code[v == 0] = np.where( -+ sign[v == 0], np.uint64(fi.code_of_negzero), np.uint64(fi.code_of_zero) -+ ) - else: - code[v == 0] = fi.code_of_zero - -diff --git a/test/test_encode.py b/test/test_encode.py -index efdaa1f..8ab344f 100644 ---- a/test/test_encode.py -+++ b/test/test_encode.py -@@ -62,3 +62,20 @@ def test_encode_edges(fi: FormatInfo, enc: Callable) -> None: - if fi.domain == Domain.Extended - else fi.code_of_nan if fi.num_nans > 0 else fi.code_of_min - ) -+ -+ -+@pytest.mark.parametrize( -+ "values", -+ [ -+ [0.0, -0.0], -+ [[-0.0, 0.0], [1.0, -1.0]], -+ [1.0, -1.0], # The zero selection is empty, as in issue #63. -+ [], -+ ], -+) -+def test_encode_binary64_signed_zero(values: npt.ArrayLike) -> None: -+ v = np.array(values, dtype=np.float64) -+ codes = encode_ndarray(format_info_binary64, v) -+ assert codes.dtype == np.dtype(np.uint64) -+ assert codes.shape == v.shape -+ np.testing.assert_array_equal(codes, v.view(np.uint64)) |
