Levenstain automatically adaptable to old-style interface

asgn/levenmain.cpp

@@ -23,19 +23,42 @@ namespace levenmain {
 							std::mt19937_64::default_seed + ctx2.thread_index()
 						), get<a_size>(ctx4), get<b_size>(ctx4));
 
-					levensol::levenstein<policy> data(mg.size1(), mg.size2());
-
-					for (auto&& ctx5 : auto_measurement<repeat_policy>(ctx4, 1024))
+					if constexpr ( std::is_constructible_v<levensol::levenstein<policy>, const levenasgn::data_element *, const levenasgn::data_element *, const levenasgn::data_element *, const levenasgn::data_element *> )
 					{
-						std::size_t h = 0;
-						for (auto i : for_index<repeats>(ctx5))
+						// old-style interface
+						levensol::levenstein<policy> data(mg.begin1(), mg.end1(), mg.begin2(), mg.end2());
+
+						for (auto&& ctx5 : auto_measurement<repeat_policy>(ctx4, 1024))
 						{
-							auto rv = data.compute(mg.data1(), mg.data2());
-							h = rv;
+							std::size_t h = 0;
+							for (auto i : for_index<repeats>(ctx5))
+							{
+								auto rv = data.compute();
+								h = rv;
+							}
+							if (stop_for_results(ctx5))
+							{
+								store_result<output>(ctx5, h);
+							}
 						}
-						if (stop_for_results(ctx5))
+					}
+					else
+					{
+						// new interface
+						levensol::levenstein<policy> data(mg.size1(), mg.size2());
+
+						for (auto&& ctx5 : auto_measurement<repeat_policy>(ctx4, 1024))
 						{
-							store_result<output>(ctx5, h);
+							std::size_t h = 0;
+							for (auto i : for_index<repeats>(ctx5))
+							{
+								auto rv = data.compute(mg.data1(), mg.data2());
+								h = rv;
+							}
+							if (stop_for_results(ctx5))
+							{
+								store_result<output>(ctx5, h);
+							}
 						}
 					}
 				}