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33 lines
1.4 KiB
Diff
33 lines
1.4 KiB
Diff
From b80b0e08b75f41730a1116aebe34361e5d63d58c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Micha=C5=82=20G=C3=B3rny?= <mgorny@gentoo.org>
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Date: Tue, 2 Jul 2024 08:11:58 +0200
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Subject: [PATCH] Fix the comparison in test_compatibility for NumPy 2.0.0
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The comparison in `mpmath/tests/test_convert.py::test_compatibility`
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failed for `np.float16` in NumPy 2.0.0 since `2.0**-53` cannot be
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represented in half-precision floating point type. Convert the LHS
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to `np.float64` to ensure that the comparison is done in sufficiently
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precise type.
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This fixes the actual test failure from #815 but the deprecation warning
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remains.
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---
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mpmath/tests/test_convert.py | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/mpmath/tests/test_convert.py b/mpmath/tests/test_convert.py
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index 5578b245..c6ef2187 100644
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--- a/mpmath/tests/test_convert.py
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+++ b/mpmath/tests/test_convert.py
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@@ -254,7 +254,9 @@ def test_compatibility():
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# Handle the weird types
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try: diff = np.abs(type(np.sqrt(x))(sqrt(x)) - np.sqrt(x))
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except: continue
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- assert diff < 2.0**-53
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+ # numpy-2 does the comparison on LHS type, so we need to convert
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+ # it to a type that can actually represent 2.0**-53
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+ assert np.float64(diff) < 2.0**-53
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assert mpf(np.float64('inf')) == inf
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assert isnan(mp.npconvert(np.float64('nan')))
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if hasattr(np, "float128"):
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