random_shuffle.h: (parallel_random_shuffle_drs) Get the actual number of threads after entering...

2008-06-05  Johannes Singler  <singler@ira.uka.de>

        * include/parallel/random_shuffle.h:
        (parallel_random_shuffle_drs) Get the actual number of
        threads after entering the parallel region. Indentation.
        * include/parallel/algo.h: (random_shuffle(begin, end))
        Add namespace qualification to avoid ambiguity.

From-SVN: r136406

libstdc++-v3/ChangeLog

+2008-06-05  Johannes Singler  <singler@ira.uka.de>
+
+        * include/parallel/random_shuffle.h:
+        (parallel_random_shuffle_drs) Get the actual number of
+        threads after entering the parallel region. Indentation.
+        * include/parallel/algo.h: (random_shuffle(begin, end))
+        Add namespace qualification to avoid ambiguity.
+
 2008-06-04  Benjamin Kosnik  <bkoz@redhat.com>
 
 	* include/ext/pb_ds/assoc_container.hpp: Change allocator typedef

libstdc++-v3/include/parallel/algo.h

@@ -1649,7 +1649,7 @@ namespace __parallel
     {
       c_rand_number<> r;
       // Parallelization still possible.
-      random_shuffle(begin, end, r);
+      __gnu_parallel::random_shuffle(begin, end, r);
     }
 
   // Parallel algorithm for random access iterators.

libstdc++-v3/include/parallel/random_shuffle.h

@@ -333,6 +333,7 @@ template<typename RandomAccessIterator, typename RandomNumberGenerator>
 
 #   pragma omp parallel num_threads(num_threads)
       {
+        thread_index_t num_threads = omp_get_num_threads();
 #       pragma omp single
           {
             pus = new DRSSorterPU<RandomAccessIterator, random_number>
@@ -375,9 +376,9 @@ template<typename RandomAccessIterator, typename RandomNumberGenerator>
               }
             starts[num_threads] = start;
           } //single
-      // Now shuffle in parallel.
-      parallel_random_shuffle_drs_pu(pus);
-    }
+        // Now shuffle in parallel.
+        parallel_random_shuffle_drs_pu(pus);
+      }  // parallel
 
     delete[] starts;
     delete[] sd.bin_proc;