From 43df2be295a395e617bdf5246961b3778843cea0 Mon Sep 17 00:00:00 2001
From: Pavel Simovec <psimovec@redhat.com>
Date: Tue, 19 Nov 2024 14:01:28 +0100
Subject: [PATCH] Update to 0.3.28

Resolves: BZ#2273704
Resolves: RHEL-54180
---
 openblas-0.3.28-zgemm-cgemm.patch | 22 ++++++++++++++++++++++
 openblas.spec                     | 15 ++++++++++-----
 sources                           |  2 +-
 3 files changed, 33 insertions(+), 6 deletions(-)
 create mode 100644 openblas-0.3.28-zgemm-cgemm.patch

diff --git a/openblas-0.3.28-zgemm-cgemm.patch b/openblas-0.3.28-zgemm-cgemm.patch
new file mode 100644
index 0000000..125b531
--- /dev/null
+++ b/openblas-0.3.28-zgemm-cgemm.patch
@@ -0,0 +1,22 @@
+From 8a1710dd0da445d76e6eaeb35b180d24efac0919 Mon Sep 17 00:00:00 2001
+From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
+Date: Sun, 6 Oct 2024 20:03:32 +0200
+Subject: [PATCH] don't apply switch_ratio to tail of loop
+
+---
+ driver/level3/level3_thread.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/driver/level3/level3_thread.c b/driver/level3/level3_thread.c
+index ddb39abd66..3d56c45a99 100644
+--- a/driver/level3/level3_thread.c
++++ b/driver/level3/level3_thread.c
+@@ -742,7 +742,7 @@ static int gemm_driver(blas_arg_t *args, BLASLONG *range_m, BLASLONG
+     num_parts  = 0;
+     while (n > 0){
+       width = blas_quickdivide(n + nthreads - num_parts - 1, nthreads - num_parts);
+-      if (width < switch_ratio) {
++      if (width < switch_ratio && width > 1) {
+         width = switch_ratio;
+       }
+       width = round_up(n, width, GEMM_PREFERED_SIZE);
diff --git a/openblas.spec b/openblas.spec
index 9c2ac78..394808d 100644
--- a/openblas.spec
+++ b/openblas.spec
@@ -14,8 +14,8 @@
 # "obsoleted" features are still kept in the spec.
 
 Name:           openblas
-Version:        0.3.26
-Release:        7%{?dist}
+Version:        0.3.28
+Release:        1%{?dist}
 Summary:        An optimized BLAS library based on GotoBLAS2
 
 License:        BSD-3-Clause
@@ -30,8 +30,8 @@ Patch1:         openblas-0.2.5-libname.patch
 Patch2:         openblas-0.2.15-constructor.patch
 # Supply the proper flags to the test makefile
 Patch3:         openblas-0.3.11-tests.patch
-# Fix incompatible pointer types (causes FTBFS on ppc64le)
-Patch4:         openblas-0.3.26-incompatibletypes.patch
+# https://github.com/OpenMathLib/OpenBLAS/issues/49172
+Patch4:         openblas-0.3.28-zgemm-cgemm.patch
 
 BuildRequires: make
 BuildRequires:  gcc
@@ -245,7 +245,7 @@ cd OpenBLAS-%{version}
 %patch 2 -p1 -b .constructor
 %endif
 %patch 3 -p1 -b .tests
-%patch 4 -p1 -b .incompatibletypes
+%patch 4 -p1 -b .gemm
 
 # Fix source permissions
 find -name \*.f -exec chmod 644 {} \;
@@ -651,6 +651,11 @@ rm -rf %{buildroot}%{_libdir}/pkgconfig
 %endif
 
 %changelog
+* Tue Nov 19 2024 Pavel Simovec <psimovec@redhat.com> - 0.3.28-1
+- Update to 0.3.28
+  Resolves: BZ#2273704
+  Resolves: RHEL-54180
+
 * Tue Oct 29 2024 Troy Dawson <tdawson@redhat.com> - 0.3.26-7
 - Bump release for October 2024 mass rebuild:
   Resolves: RHEL-64018
diff --git a/sources b/sources
index 554f56c..15772e7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (OpenBLAS-0.3.26.tar.gz) = 01d3a536fbfa62f276fd6b1ad0e218fb3d91f41545fc83ddc74979fa26372d8389f0baa20334badfe0adacd77bd944c50a47ac920577373fcc1d495553084373
+SHA512 (OpenBLAS-0.3.28.tar.gz) = 358301c8a60bedf920c07a110c772feb639e52412bd783789741fd2fd0686aac97e6b17ebcdf01ce48a2a15841058f82df0fee551af952f6e70b58140c055133