From 9558414a12fb26a6a46d256d8c555ca103ba72ac Mon Sep 17 00:00:00 2001
From: Tom Callaway <spot@fedoraproject.org>
Date: Fri, 16 Aug 2013 10:00:52 -0400
Subject: [PATCH] fix behavior to be correct on arm (and all other platforms)

---
 R-bitops-armfix.patch | 12 ++++++++++++
 R-bitops.spec         |  8 +++++++-
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 R-bitops-armfix.patch

diff --git a/R-bitops-armfix.patch b/R-bitops-armfix.patch
new file mode 100644
index 0000000..8f65fcd
--- /dev/null
+++ b/R-bitops-armfix.patch
@@ -0,0 +1,12 @@
+diff -up bitops/bitops/src/bit-ops.c.armfix bitops/bitops/src/bit-ops.c
+--- bitops/bitops/src/bit-ops.c.armfix	2013-08-16 09:54:59.216088912 -0400
++++ bitops/bitops/src/bit-ops.c	2013-08-16 09:55:23.444089276 -0400
+@@ -29,7 +29,7 @@ SEXP bitFlip(SEXP a, SEXP bitWidth ) {
+ 		if ( !R_FINITE(xa[i]) || logb(xa[i])>31 ) xaflip[i]=NA_REAL ;
+ 
+ 		else {
+-			tmp=(unsigned int) xa[i] ;
++			tmp=xa[i] < 0 ? (int) xa[i] : (unsigned) xa[i];
+ 			xaflip[i]=(double) ( ~tmp & mask ) ; 
+ 		}
+ 	}
diff --git a/R-bitops.spec b/R-bitops.spec
index f158bf4..4bc22c4 100644
--- a/R-bitops.spec
+++ b/R-bitops.spec
@@ -3,13 +3,14 @@
 
 Name:             R-%{packname}
 Version:          1.0.5
-Release:          2%{?dist}
+Release:          3%{?dist}
 Summary:          Functions for Bitwise operations
 
 Group:            Applications/Productivity
 License:          GPLv2+
 URL:              http://cran.r-project.org/web/packages/bitops/index.html
 Source0:          http://cran.r-project.org/src/contrib/%{packname}_%{packvers}.tar.gz
+Patch0:           R-bitops-armfix.patch
 BuildRoot:        %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 Requires:         R-core >= 3.0.0
 BuildRequires:    R-devel >= 3.0.0, tex(latex)
@@ -19,6 +20,7 @@ Functions for Bitwise operations on integer vectors.
 
 %prep
 %setup -c -q -n %{packname}
+%patch0 -p1 -b .armfix
 %build
 
 %install
@@ -48,6 +50,10 @@ test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
 %{_libdir}/R/library/%{packname}/libs
 
 %changelog
+* Fri Aug 16 2013 Tom Callaway <spot@fedoraproject.org> - 1.0.5-3
+- fix bug on arm where casting double to unsigned is undefined if the value is negative
+  Many thanks to Florian Weimer.
+
 * Fri Aug 02 2013 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 1.0.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild