From f8cf0d2cb4e5e18f48d6b3bfbc7d0e72e7ed5190 Mon Sep 17 00:00:00 2001
From: Noel Grandin <noel.grandin@collabora.co.uk>
Date: Mon, 6 Sep 2021 13:25:45 +0200
Subject: tdf#144319 fix formula load

regression from
    commit 67d83e40e2c4f3862c50e6abeabfc24a75119fc8
    Author: Noel Grandin <noelgrandin@gmail.com>
    Date:   Sat Dec 19 13:25:53 2020 +0200
    speedup rational_FromDouble

Change-Id: Icb728b63f950e827f1492087114f927c2f85ddb9
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/121719
Tested-by: Jenkins
Tested-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
---
 tools/source/generic/fract.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tools')

diff --git a/tools/source/generic/fract.cxx b/tools/source/generic/fract.cxx
index 7c0e850db8d7..57dd4e79c138 100644
--- a/tools/source/generic/fract.cxx
+++ b/tools/source/generic/fract.cxx
@@ -43,6 +43,9 @@ static boost::rational<sal_Int32> toRational(sal_Int32 n, sal_Int32 d)
     // https://github.com/boostorg/boost/issues/335 when these are std::numeric_limits<sal_Int32>::min
     if (n == d)
         return 1;
+    // tdf#144319 avoid boost::bad_rational e.g. if numerator=-476741369, denominator=-2147483648
+    if (d < -std::numeric_limits<sal_Int32>::max())
+        return 0;
     return boost::rational<sal_Int32>(n, d);
 }
 
-- 
cgit