added auto as default value for complexity
diff --git a/include/benchmark/benchmark_api.h b/include/benchmark/benchmark_api.h
index 2fe8753..9c32bac 100644
--- a/include/benchmark/benchmark_api.h
+++ b/include/benchmark/benchmark_api.h
@@ -501,7 +501,7 @@
// Set the asymptotic computational complexity for the benchmark. If called
// the asymptotic computational complexity will be shown on the output.
- Benchmark* Complexity(BigO complexity);
+ Benchmark* Complexity(BigO complexity = benchmark::oAuto);
// Support for running multiple copies of the same benchmark concurrently
// in multiple threads. This may be useful when measuring the scaling
diff --git a/test/complexity_test.cc b/test/complexity_test.cc
index 6e6ae3c..35a6fa0 100644
--- a/test/complexity_test.cc
+++ b/test/complexity_test.cc
@@ -40,7 +40,7 @@
state.SetComplexityN(state.range_x());
}
BENCHMARK(BM_Complexity_O_N) -> RangeMultiplier(2) -> Range(1<<10, 1<<16) -> Complexity(benchmark::oN);
-BENCHMARK(BM_Complexity_O_N) -> RangeMultiplier(2) -> Range(1<<10, 1<<16) -> Complexity(benchmark::oAuto);
+BENCHMARK(BM_Complexity_O_N) -> RangeMultiplier(2) -> Range(1<<10, 1<<16) -> Complexity();
static void BM_Complexity_O_N_Squared(benchmark::State& state) {
std::string s1(state.range_x(), '-');
