From: Wolfgang Bangerth <bangerth@colostate.edu>
Date: Thu, 1 Nov 2018 12:55:23 +0000 (-0600)
Subject: Ensure a left-shift operation happens in the right data type.
X-Git-Tag: v9.1.0-rc1~589^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F7400%2Fhead;p=dealii.git

Ensure a left-shift operation happens in the right data type.
---

diff --git a/source/base/utilities.cc b/source/base/utilities.cc
index 659f82b45c..eed85074c3 100644
--- a/source/base/utilities.cc
+++ b/source/base/utilities.cc
@@ -132,7 +132,7 @@ namespace Utilities
     // based on that get the maximum integer:
     const Integer max_int = (min_bits == std::numeric_limits<Integer>::digits ?
                                std::numeric_limits<Integer>::max() :
-                               ((Integer)1 << min_bits) - 1);
+                               (Integer(1) << min_bits) - 1);
 
     std::vector<std::array<Integer, dim>> int_points(points.size());
 
@@ -193,7 +193,7 @@ namespace Utilities
            ExcMessage("This integer type can not hold " +
                       std::to_string(bits_per_dim) + " bits."));
 
-    const Integer M = 1 << (bits_per_dim - 1); // largest bit
+    const Integer M = Integer(1) << (bits_per_dim - 1); // largest bit
 
     for (unsigned int index = 0; index < int_points.size(); ++index)
       {