random (class xor_combine): Fix result_type typedef.

2006-06-15  Paolo Carlini  <pcarlini@suse.de>

	* include/tr1/random (class xor_combine): Fix result_type typedef.
	* testsuite/tr1/5_numerical_facilities/random/xor_combine/
	cons/default.cc: New.
	* testsuite/tr1/5_numerical_facilities/random/xor_combine/
	requirements/typedefs.cc: Tweak.

	* include/tr1/random: Minor cosmetic changes.

From-SVN: r114676

libstdc++-v3/ChangeLog

+2006-06-15  Paolo Carlini  <pcarlini@suse.de>
+
+	* include/tr1/random (class xor_combine): Fix result_type typedef.
+	* testsuite/tr1/5_numerical_facilities/random/xor_combine/
+	cons/default.cc: New.
+	* testsuite/tr1/5_numerical_facilities/random/xor_combine/
+	requirements/typedefs.cc: Tweak.
+
+	* include/tr1/random: Minor cosmetic changes.
+
 2006-06-14  Ami Tavory  <atavory@gmail.com>
 	    Benjamin Kosnik  <bkoz@redhat.com>
 

libstdc++-v3/include/tr1/random

@@ -825,7 +825,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
     class discard_block
     {
       // __glibcxx_class_requires(typename base_type::result_type,
-      //                          ArithmeticTypeConcept);
+      //                          ArithmeticTypeConcept)
 
     public:
       /** The type of the underlying generator engine. */
@@ -991,7 +991,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
    * James's luxury-level-3 integer adaptation of Luescher's generator.
    */
   typedef discard_block<
-    subtract_with_carry<int, (1<<24), 10, 24>,
+    subtract_with_carry<int, (1 << 24), 10, 24>,
       223,
       24
       > ranlux3;
@@ -1000,7 +1000,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
    * James's luxury-level-4 integer adaptation of Luescher's generator.
    */
   typedef discard_block<
-    subtract_with_carry<int, (1<<24), 10, 24>,
+    subtract_with_carry<int, (1 << 24), 10, 24>,
       389,
       24
       > ranlux4;
@@ -1015,21 +1015,25 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
     class xor_combine
     {
       // __glibcxx_class_requires(typename _UniformRandomNumberGenerator1::
-      //                          result_type, ArithmeticTypeConcept);
+      //                          result_type, ArithmeticTypeConcept)
       // __glibcxx_class_requires(typename _UniformRandomNumberGenerator2::
-      //                          result_type, ArithmeticTypeConcept);
+      //                          result_type, ArithmeticTypeConcept)
 
     public:
       /** The type of the the first underlying generator engine. */
-      typedef _UniformRandomNumberGenerator1 base1_type;
+      typedef _UniformRandomNumberGenerator1   base1_type;
       /** The type of the the second underlying generator engine. */
-      typedef _UniformRandomNumberGenerator2 base2_type;
+      typedef _UniformRandomNumberGenerator2   base2_type;
+
+    private:
+      typedef typename base1_type::result_type _Result_type1;
+      typedef typename base2_type::result_type _Result_type2;
+
+    public:
       /** The type of the generated random value. */
       typedef typename _Private::_Select<
-	(sizeof(base1_type) > sizeof(base2_type)),
-	base1_type,
-	base2_type
-	>::_Type result_type;
+	(sizeof(_Result_type1) > sizeof(_Result_type2)),
+	_Result_type1, _Result_type2>::_Type result_type;
 
       // parameter values
       static const int shift1 = __s1;
@@ -1185,7 +1189,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
 #else
 
     explicit
-    random_device(const std::string& __token = "rand")
+    random_device(const std::string& __token = "mt19937")
     : _M_mt(_M_strtoul(__token)) { }
 
   private:
@@ -1193,7 +1197,7 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
     _M_strtoul(const std::string& __str)
     {
       unsigned long __ret = 5489UL;
-      if (__str != "rand")
+      if (__str != "mt19937")
 	{
 	  const char* __nptr = __str.c_str();
 	  char* __endptr;

libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/cons/default.cc

+// 2006-06-15  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.
+
+// 5.1.4.6 Class template xor_combine [tr.rand.eng.xor]
+// 5.1.1 Table 15 default ctor
+
+#include <tr1/random>
+#include <testsuite_hooks.h>
+
+void
+test01() 
+{
+  bool test __attribute__((unused)) = true;
+
+  using namespace std::tr1;
+  xor_combine
+    <
+    minstd_rand, 1,
+    minstd_rand0, 2
+    > x;
+
+  VERIFY( x() == 32642 );
+}
+
+int main()
+{
+  test01();
+  return 0;
+}

libstdc++-v3/testsuite/tr1/5_numerical_facilities/random/xor_combine/requirements/typedefs.cc

@@ -32,9 +32,9 @@ test01()
 
   typedef xor_combine
     <
-    subtract_with_carry<long, (1 << 24), 10, 24>, 1,
-    linear_congruential<unsigned long, 16807, 0, 2147483647>, 2
+    minstd_rand, 1,
+    mt19937, 2
     > test_type;
-  
+
   typedef test_type::result_type result_type;
 }