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fix ppc64le test failures

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Resolves: RHEL-77878
This commit is contained in:
Lukáš Zaoral 2026-02-03 14:04:28 +01:00
parent 8988f69d88
commit 082a394dd0
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GPG Key ID: 39157506DD67752D
2 changed files with 53 additions and 1 deletions
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47
fix-ppc64le-power10-test-failures.patch Normal file
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@ -0,0 +1,47 @@
From e89ec589000e471f04c71b676c866baec05ecd7d Mon Sep 17 00:00:00 2001
From: Sandeep Gupta <sandeep.gupta12@ibm.com>
Date: Thu, 9 Oct 2025 22:42:35 +0530
Subject: [PATCH] BUG: Fix INT_MIN % -1 to return 0 for all signed integer
types (#29893)
* BUG: Fix INT_MIN % -1 to return 0 for all signed integer types
- Explicitly check for INT_MIN % -1 in scalar tail loops for fmod and remainder kernels.
- Set result to 0 to avoid undefined behavior and match NumPy/Python expectations.
- Ensures correct, portable behavior on all platforms (e.g., PPC64LE).
* Apply suggestion from @seberg
---------
Co-authored-by: Sebastian Berg <sebastian@sipsolutions.net>
---
numpy/_core/src/umath/loops_modulo.dispatch.c.src | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/numpy/core/src/umath/loops_modulo.dispatch.c.src b/numpy/core/src/umath/loops_modulo.dispatch.c.src
index 032cc3344060..4645fe14a487 100644
--- a/numpy/core/src/umath/loops_modulo.dispatch.c.src
+++ b/numpy/core/src/umath/loops_modulo.dispatch.c.src
@@ -490,12 +490,16 @@ vsx4_simd_@func@_by_scalar_contig_@sfx@(char **args, npy_intp len)
#else /* fmod and remainder */
for (; len > 0; --len, ++src1, ++dst1) {
const npyv_lanetype_@sfx@ a = *src1;
- *dst1 = a % scalar;
+ if (NPY_UNLIKELY(a == NPY_MIN_INT@len@ && scalar == -1)) {
+ *dst1 = 0;
+ } else {
+ *dst1 = a % scalar;
#if @id@ == 1 /* remainder */
- if (!((a > 0) == (scalar > 0) || *dst1 == 0)) {
- *dst1 += scalar;
- }
+ if (!((a > 0) == (scalar > 0) || *dst1 == 0)) {
+ *dst1 += scalar;
+ }
#endif
+ }
}
#endif
npyv_cleanup();

7
numpy.spec
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@ -20,7 +20,7 @@
Name: numpy
Version: 1.26.4
Release: 5%{?dist}
Release: 6%{?dist}
Epoch: 1
Summary: A fast multidimensional array facility for Python
@ -38,6 +38,8 @@ Patch0: f2py_test.patch
# Python 3.13: Replace deprecated ctypes.ARRAY(item_type, size) with item_type * size
# Upstream PR: https://github.com/numpy/numpy/pull/25198
Patch4: replace-deprecated-ctypes.ARRAY.patch
# https://github.com/numpy/numpy/commit/e89ec589000e471f04c71b676c866baec05ecd7d
Patch5: fix-ppc64le-power10-test-failures.patch
%description
@ -245,6 +247,9 @@ python3 runtests.py --no-build -- -ra -k 'not test_ppc64_ibm_double_double128 %{
%changelog
* Tue Feb 03 2026 Lukáš Zaoral <lzaoral@redhat.com> - 1:1.26.4-6
- fix ppc64le test failures (RHEL-77878)
* Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 1:1.26.4-5
- Bump release for October 2024 mass rebuild:
Resolves: RHEL-64018