diff --git a/sprout/range/algorithm/non_modifying.hpp b/sprout/range/algorithm/non_modifying.hpp
index e5fcd663..a7434e5f 100644
--- a/sprout/range/algorithm/non_modifying.hpp
+++ b/sprout/range/algorithm/non_modifying.hpp
@@ -38,6 +38,7 @@
 #include <sprout/range/algorithm/any_of_equal.hpp>
 #include <sprout/range/algorithm/none_of_equal.hpp>
 #include <sprout/range/algorithm/one_of_equal.hpp>
+#include <sprout/range/algorithm/tristate_lexicographical_compare.hpp>
 #include <sprout/range/algorithm/is_increasing.hpp>
 #include <sprout/range/algorithm/is_decreasing.hpp>
 #include <sprout/range/algorithm/is_strictly_increasing.hpp>
diff --git a/sprout/range/algorithm/tristate_lexicographical_compare.hpp b/sprout/range/algorithm/tristate_lexicographical_compare.hpp
new file mode 100644
index 00000000..b36dae78
--- /dev/null
+++ b/sprout/range/algorithm/tristate_lexicographical_compare.hpp
@@ -0,0 +1,31 @@
+#ifndef SPROUT_RANGE_ALGORITHM_TRISTATE_LEXICOGRAPHICAL_COMPARE_HPP
+#define SPROUT_RANGE_ALGORITHM_TRISTATE_LEXICOGRAPHICAL_COMPARE_HPP
+
+#include <sprout/config.hpp>
+#include <sprout/container/functions.hpp>
+#include <sprout/algorithm/tristate_lexicographical_compare.hpp>
+
+namespace sprout {
+	namespace range {
+		//
+		// tristate_lexicographical_compare
+		//
+		template<typename Range1, typename Range2>
+		inline SPROUT_CONSTEXPR int
+		tristate_lexicographical_compare(Range1 const& range1, Range2 const& range2) {
+			return sprout::tristate_lexicographical_compare(
+				sprout::begin(range1), sprout::end(range1), sprout::begin(range2), sprout::end(range2)
+				);
+		}
+
+		template<typename Range1, typename Range2, typename Compare>
+		inline SPROUT_CONSTEXPR int
+		tristate_lexicographical_compare(Range1 const& range1, Range2 const& range2, Compare comp) {
+			return sprout::tristate_lexicographical_compare(
+				sprout::begin(range1), sprout::end(range1), sprout::begin(range2), sprout::end(range2), comp
+				);
+		}
+	}	// namespace range
+}	// namespace sprout
+
+#endif	// #ifndef SPROUT_RANGE_ALGORITHM_TRISTATE_LEXICOGRAPHICAL_COMPARE_HPP