Added boost header

test/external/boost/graph/detail/set_adaptor.hpp

@@ -0,0 +1,123 @@
+// (C) Copyright Jeremy Siek 2001.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_SET_ADAPTOR_HPP
+#define BOOST_SET_ADAPTOR_HPP
+
+#include <set>
+#include <boost/unordered_set.hpp>
+
+namespace boost {
+
+    template <class K, class C, class A, class T>
+    bool set_contains(const std::set<K,C,A>& s, const T& x) {
+      return s.find(x) != s.end();
+    }
+    
+    template <class K, class H, class C, class A, class T>
+    bool set_contains(const boost::unordered_set<K,H,C,A>& s, const T& x) {
+      return s.find(x) != s.end();
+    }
+    
+    template <class K, class C, class A>
+    bool set_equal(const std::set<K,C,A>& x,
+                   const std::set<K,C,A>& y)
+    {
+      return x == y;
+    }
+
+    // Not the same as lexicographical_compare_3way applied to std::set.
+    // this is equivalent semantically to bitset::operator<()
+    template <class K, class C, class A>
+    int set_lex_order(const std::set<K,C,A>& x,
+                      const std::set<K,C,A>& y)
+    {
+      typename std::set<K,C,A>::iterator
+        xi = x.begin(), yi = y.begin(), xend = x.end(), yend = y.end();
+      for (; xi != xend && yi != yend; ++xi, ++yi) {
+        if (*xi < *yi)
+          return 1;
+        else if (*yi < *xi)
+          return -1;
+      }
+      if (xi == xend)
+        return (yi == yend) ? 0 : -1;
+      else
+        return 1;
+    }
+
+    template <class K, class C, class A>
+    void set_clear(std::set<K,C,A>& x) {
+      x.clear();
+    }
+
+    template <class K, class C, class A>
+    bool set_empty(const std::set<K,C,A>& x) {
+      return x.empty();
+    }
+
+    template <class K, class C, class A, class T>
+    void set_insert(std::set<K,C,A>& x, const T& a) {
+      x.insert(a);
+    }
+
+    template <class K, class C, class A, class T>
+    void set_remove(std::set<K,C,A>& x, const T& a) {
+      x.erase(a);
+    }
+    
+    template <class K, class C, class A>
+    void set_intersect(const std::set<K,C,A>& x,
+                       const std::set<K,C,A>& y,
+                       std::set<K,C,A>& z)
+    {
+      z.clear();
+      std::set_intersection(x.begin(), x.end(),
+                            y.begin(), y.end(),
+                            std::inserter(z));
+    }
+
+    template <class K, class C, class A>
+    void set_union(const std::set<K,C,A>& x,
+                   const std::set<K,C,A>& y,
+                   std::set<K,C,A>& z)
+    {
+      z.clear();
+      std::set_union(x.begin(), x.end(),
+                     y.begin(), y.end(),
+                     std::inserter(z));
+    }
+
+    template <class K, class C, class A>
+    void set_difference(const std::set<K,C,A>& x,
+                        const std::set<K,C,A>& y,
+                        std::set<K,C,A>& z)
+    {
+      z.clear();
+      std::set_difference(x.begin(), x.end(),
+                          y.begin(), y.end(),
+                          std::inserter(z, z.begin()));
+    }
+
+    template <class K, class C, class A>
+    bool set_subset(const std::set<K,C,A>& x,
+                    const std::set<K,C,A>& y)
+    {
+      return std::includes(x.begin(), x.end(), y.begin(), y.end());
+    }
+
+    // Shit, can't implement this without knowing the size of the
+    // universe.
+    template <class K, class C, class A>
+    void set_compliment(const std::set<K,C,A>& x,
+                        std::set<K,C,A>& z)
+    {
+      z.clear();
+      
+    }
+    
+} // namespace boost    
+
+#endif // BOOST_SET_ADAPTOR_HPP