main_benchmark.cpp
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	/* -------------------------------------------------------------------------- */
	#include <aka_iterators.hh>
	/* -------------------------------------------------------------------------- */
	#include <algorithm>
	#include <benchmark/benchmark.h>
	#include <vector>
	/* -------------------------------------------------------------------------- */

	using namespace akantu;

	using stream_type = int;

	class MyFixture : public benchmark::Fixture {
	public:
	void SetUp(const ::benchmark::State &state) {
	A.resize(state.range(0));
	B.resize(state.range(0));

	auto view = enumerate(A, B);
	std::for_each(view.begin(), view.end(), [](auto &&data) {
	std::get<1>(data) = 2. * std::get<0>(data);
	std::get<2>(data) = 0.;
	});
	}
	void TearDown(const ::benchmark::State & /state/) {}

	std::vector<stream_type> A;
	std::vector<stream_type> B;
	};

	BENCHMARK_DEFINE_F(MyFixture, CopyZip)(benchmark::State &st) {
	for (auto _ : st) {
	auto view = zip(A, B);
	benchmark::DoNotOptimize(
	std::for_each(view.begin(), view.end(), [](auto &&data) {
	std::get<1>(data) = std::get<0>(data);
	}));
	}
	st.SetBytesProcessed(int64_t(st.iterations()) * int64_t(st.range(0)) *
	sizeof(stream_type));
	}

	BENCHMARK_REGISTER_F(MyFixture, CopyZip)->Range(1, 2 << 20);

	BENCHMARK_MAIN();