From 7c34000953f2896f97ffb37a1a9f55aaae752000 Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Sun, 7 Aug 2016 19:12:03 +0100
Subject: [PATCH] Add missing qualifier to isnan call.

---
 test/test_arithmetic.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/test_arithmetic.hpp b/test/test_arithmetic.hpp
index a74920fc..e9c8ab7a 100644
--- a/test/test_arithmetic.hpp
+++ b/test/test_arithmetic.hpp
@@ -887,8 +887,8 @@ void test_float_funcs(const boost::mpl::true_&)
    {
       a = std::numeric_limits<Real>::quiet_NaN();
       b = modf(a, &c);
-      BOOST_CHECK((isnan)(b));
-      BOOST_CHECK((isnan)(c));
+      BOOST_CHECK((boost::math::isnan)(b));
+      BOOST_CHECK((boost::math::isnan)(c));
    }
 
    a = 4;