1 files changed, 84 insertions, 0 deletions
diff --git a/deps/tao_tuple/28626e99/include/tao/seq/make_integer_sequence.hpp b/deps/tao_tuple/28626e99/include/tao/seq/make_integer_sequence.hpp
new file mode 100644
index 0000000000..23a4e97180
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+++ b/deps/tao_tuple/28626e99/include/tao/seq/make_integer_sequence.hpp
@@ -0,0 +1,84 @@
+// The Art of C++ / Sequences
+// Copyright (c) 2015 Daniel Frey
+
+#ifndef TAOCPP_SEQUENCES_INCLUDE_MAKE_INTEGER_SEQUENCE_HPP
+#define TAOCPP_SEQUENCES_INCLUDE_MAKE_INTEGER_SEQUENCE_HPP
+
+#include <cstddef>
+#include <utility>
+#include <type_traits>
+
+#include "config.hpp"
+#include "integer_sequence.hpp"
+
+namespace tao
+{
+  namespace seq
+  {
+
+#ifdef TAOCPP_USE_STD_MAKE_INTEGER_SEQUENCE
+
+    using std::make_integer_sequence;
+    using std::make_index_sequence;
+    using std::index_sequence_for;
+
+#else
+
+    // idea from http://stackoverflow.com/a/13073076
+
+    namespace impl
+    {
+      template< typename, std::size_t, bool >
+      struct double_up;
+
+      template< typename T, T... Ns, std::size_t N >
+      struct double_up< integer_sequence< T, Ns... >, N, false >
+      {
+        using type = integer_sequence< T, Ns..., ( N + Ns )... >;
+      };
+
+      template< typename T, T... Ns, std::size_t N >
+      struct double_up< integer_sequence< T, Ns... >, N, true >
+      {
+        using type = integer_sequence< T, Ns..., ( N + Ns )..., 2 * N >;
+      };
+
+      template< typename T, T N, typename = void >
+      struct generate;
+
+      template< typename T, T N >
+      using generate_t = typename generate< T, N >::type;
+
+      template< typename T, T N, typename >
+      struct generate
+        : double_up< generate_t< T, N / 2 >, N / 2, N % 2 == 1 >
+      {};
+
+      template< typename T, T N >
+      struct generate< T, N, typename std::enable_if< ( N == 0 ) >::type >
+      {
+        using type = integer_sequence< T >;
+      };
+
+      template< typename T, T N >
+      struct generate< T, N, typename std::enable_if< ( N == 1 ) >::type >
+      {
+        using type = integer_sequence< T, 0 >;
+      };
+    }
+
+    template< typename T, T N >
+    using make_integer_sequence = impl::generate_t< T, N >;
+
+    template< std::size_t N >
+    using make_index_sequence = make_integer_sequence< std::size_t, N >;
+
+    template< typename... Ts >
+    using index_sequence_for = make_index_sequence< sizeof...( Ts ) >;
+
+#endif
+
+  }
+}
+
+#endif // TAOCPP_SEQUENCES_INCLUDE_MAKE_INTEGER_SEQUENCE_HPP