2006-08-22 Paolo Carlini <pcarlini@suse.de>

	* include/tr1/random (class subtract_with_carry_01): Add.
	* include/tr1/random.tcc (subtract_with_carry_01<>::
	seed(unsigned long), subtract_with_carry_01<>::
	seed(_Gen&, false_type), subtract_with_carry_01<>::
	operator(), operator<<(std::basic_ostream<>&, const
	subtract_with_carry_01<>&), operator>>(std::basic_istream<>&,
	subtract_with_carry_01<>&)): Define.
	* testsuite/tr1/5_numerical_facilities/random/ranlux3_01.cc:
	New.
	* testsuite/tr1/5_numerical_facilities/random/ranlux4_01.cc:
	Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/seed1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/seed2.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/default.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/cons/gen1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/requirements/typedefs.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/not_equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry_01/operators/serialize.cc: Likewise.

	* docs/html/ext/howto.html: Add two implemented TR1 issues.

	* include/tr1/random.tcc (struct _To_Unsigned_Type): Move...
	* include/tr1/random: ... here.
	(class subtract_with_carry): Use it everywhere.

	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/seed1.cc: Qualify 1 as 1UL.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/seed2.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/default.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/cons/gen1.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/requirements/typedefs.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/not_equal.cc: Likewise.
	* testsuite/tr1/5_numerical_facilities/random/
	subtract_with_carry/operators/serialize.cc: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@116327 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 48 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/ranlux3_01.cc b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/ranlux3_01.cc
new file mode 100644
index 00000000000..fc9cb3dd7a6
--- /dev/null
+++ b/libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/ranlux3_01.cc
@@ -0,0 +1,48 @@
+// 2006-08-22  Paolo Carlini  <pcarlini@suse.de>
+//
+// Copyright (C) 2006 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
+// USA.
+
+// 5.1.5 Engines with predefined parameters
+// 5.1.5 [3]
+
+#include <iostream>
+#include <tr1/random>
+#include <testsuite_hooks.h>
+
+void
+test01() 
+{
+  bool test __attribute__((unused)) = true;
+
+  std::tr1::ranlux3_01 a;
+  for (int i = 0; i < 9999; ++i)
+    a();
+
+#if _GLIBCXX_USE_C99_MATH_TR1
+  VERIFY( a() == 5957620 * std::tr1::ldexp(float(1), -24) );
+#else
+  VERIFY( a() == 5957620 * std::pow(float(2), -24) );
+#endif
+}
+
+int main()
+{
+  test01();
+  return 0;
+}