Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / 18_support / numeric_limits / quiet_NaN.cc

diff --git a/libstdc++-v3/testsuite/18_support/numeric_limits/quiet_NaN.cc b/libstdc++-v3/testsuite/18_support/numeric_limits/quiet_NaN.cc
new file mode 100644 (file)
index 0000000..581ceea
--- /dev/null
+++ b/libstdc++-v3/testsuite/18_support/numeric_limits/quiet_NaN.cc
@@ -0,0 +1,55 @@
+// { dg-options "-mieee" { target alpha*-*-* } }
+// { dg-options "-mieee" { target sh*-*-* } }
+
+// 1999-08-23 bkoz
+
+// Copyright (C) 1999, 2001, 2002, 2003, 2004, 2009 Free Software Foundation
+//
+// 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 3, 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 COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 18.2.1.1 template class numeric_limits
+
+#include <limits>
+#include <limits.h>
+#include <float.h>
+#include <cwchar>
+#include <testsuite_hooks.h>
+
+template<typename T>
+void
+test_qnan()
+{
+  bool test;
+
+  if (std::numeric_limits<T>::has_quiet_NaN)
+    {
+      T nan = std::numeric_limits<T>::quiet_NaN();
+      test = (nan != nan);
+    }
+  else
+    test = true;
+
+  VERIFY (test);
+}
+
+int main()
+{
+  test_qnan<float>();
+  test_qnan<double>();
+  test_qnan<long double>();
+
+  return 0;
+}