From 73fda2a8b1c76548e7d4daa3ae31ee42e9f6ee7d Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Tue, 24 Jun 2014 10:30:37 -0700
Subject: [PATCH] Fix error on MSVC.

---
 test/format-test.cc | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/test/format-test.cc b/test/format-test.cc
index 8b0da14c..ece86785 100644
--- a/test/format-test.cc
+++ b/test/format-test.cc
@@ -1235,9 +1235,7 @@ TEST(FormatterTest, FormatNaN) {
   double nan = std::numeric_limits<double>::quiet_NaN();
   EXPECT_EQ("nan", str(Format("{}") << nan));
   EXPECT_EQ("+nan", str(Format("{:+}") << nan));
-#ifndef signbit
-# define signbit std::signbit
-#endif
+  using namespace std;
   if (signbit(-nan))
     EXPECT_EQ("-nan", str(Format("{}") << -nan));
   else