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diff --git a/libstdc++-v3/testsuite/26_numerics/c99_classification_macros_c++.cc b/libstdc++-v3/testsuite/26_numerics/c99_classification_macros_c++.cc
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+++ b/libstdc++-v3/testsuite/26_numerics/c99_classification_macros_c++.cc
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+// 2001-04-06 gdr
+
+// Copyright (C) 2001 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING. If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction. Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License. This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+// { dg-do compile }
+
+#include <cmath>
+
+void fpclassify() { }
+
+void isfinite() { }
+
+void isinf() { }
+
+void isnan() { }
+
+void isnormal() { }
+
+void signbit() { }
+
+void isgreater() { }
+
+void isgreaterequal() { }
+
+void isless() { }
+
+void islessequal() { }
+
+void islessgreater() { }
+
+void isunordered() { }
+
+#if _GLIBCPP_USE_C99
+template <typename _Tp>
+ void test_c99_classify()
+ {
+ bool test = true;
+
+ typedef _Tp fp_type;
+ fp_type f1 = 1.0;
+ fp_type f2 = 3.0;
+ int res = 0;
+
+ res = std::fpclassify(f1);
+ res = std::isfinite(f2);
+ res = std::isinf(f1);
+ res = std::isnan(f2);
+ res = std::isnormal(f1);
+ res = std::signbit(f2);
+ res = std::isgreater(f1, f2);
+ res = std::isgreaterequal(f1, f2);
+ res = std::isless(f1, f2);
+ res = std::islessequal(f1,f2);
+ res = std::islessgreater(f1, f2);
+ res = std::isunordered(f1, f2);
+ }
+#endif
+
+int main()
+{
+#if _GLIBCPP_USE_C99
+ test_c99_classify<float>();
+ //test_c99_classify<double>();
+#endif
+ return 0;
+}