random.tcc: Fix operator>> and operator<< for uniform_on_sphere_distribution.

	* include/ext/random.tcc: Fix operator>> and operator<< for
	uniform_on_sphere_distribution.

From-SVN: r212496

libstdc++-v3/ChangeLog

+2014-07-13  Ulrich Drepper  <drepper@gmail.com>
+
+	* include/ext/random.tcc: Fix operator>> and operator<< for
+	uniform_on_sphere_distribution.
+
 2014-07-12  Ulrich Drepper  <drepper@gmail.com>
 
 	* include/ext/random: Add uniform_on_sphere_distribution definition.

libstdc++-v3/include/ext/random.tcc

@@ -1584,7 +1584,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 							       _RealType>& __x)
     {
       // The distribution has no state, nothing to save.
-      return __os;
+      return __os << _M_n;
     }
 
   template<std::size_t _Dimen, typename _RealType, typename _CharT,
@@ -1595,7 +1595,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 							 _RealType>& __x)
     {
       // The distribution has no state, nothing to restore.
-      return __is;
+      return __is >> _M_n;
     }
 
 _GLIBCXX_END_NAMESPACE_VERSION