complex (operator==, !=): Mark constexpr.

2010-11-08  Benjamin Kosnik  <bkoz@redhat.com>

        * include/std/complex (operator==, !=): Mark constexpr.
        * testsuite/26_numerics/complex/comparison_operators/constexpr.cc: New.

From-SVN: r166439

1 files changed, 39 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/26_numerics/complex/comparison_operators/constexpr.cc b/libstdc++-v3/testsuite/26_numerics/complex/comparison_operators/constexpr.cc
new file mode 100644
index 00000000000..85c3ab7b4aa
--- /dev/null
+++ b/libstdc++-v3/testsuite/26_numerics/complex/comparison_operators/constexpr.cc
@@ -0,0 +1,39 @@
+// { dg-do compile }
+// { dg-options "-std=gnu++0x" }
+
+// Copyright (C) 2010 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 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/>.
+
+#include <complex>
+#include <testsuite_common_types.h>
+
+int main()
+{
+  __gnu_test::constexpr_comparison_eq_ne test;
+  test.operator()<std::complex<float>>();
+  test.operator()<std::complex<float>, float>();
+  test.operator()<float,std::complex<float>>();
+
+  test.operator()<std::complex<double>>();
+  test.operator()<std::complex<double>, double>();
+  test.operator()<double,std::complex<double>>();
+
+  test.operator()<std::complex<long double>>();
+  test.operator()<std::complex<long double>, long double>();
+  test.operator()<long double,std::complex<long double>>();
+  return 0;
+}