Imported gcc-4.4.3

[msp430-gcc.git] / libstdc++-v3 / testsuite / tr1 / 5_numerical_facilities / random / subtract_with_carry_01 / cons / default.cc

diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/cons/default.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/cons/default.cc
new file mode 100644 (file)
index 0000000..a094c55
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/subtract_with_carry_01/cons/default.cc
@@ -0,0 +1,47 @@
+// 2006-08-22  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2006, 2009 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/>.
+
+// 5.1.4.4 class template subtract_with_carry_01 [tr.rand.eng.sub1]
+// 5.1.1 Table 16 line 1 default ctor
+
+#include <tr1/random>
+#include <testsuite_hooks.h>
+
+void
+test01() 
+{
+  bool test __attribute__((unused)) = true;
+  using namespace std::tr1;
+
+  subtract_with_carry_01<float, 24, 10, 24> x;
+  VERIFY( x.min() == 0.0 );
+  VERIFY( x.max() == 1.0 );
+
+#if _GLIBCXX_USE_C99_MATH_TR1
+  VERIFY( x() == 15039276 * std::tr1::ldexp(float(1), -24) );
+#else
+  VERIFY( x() == 15039276 * std::pow(float(2), -24) );
+#endif
+}
+
+int main()
+{
+  test01();
+  return 0;
+}