#include <numeric>

#include "common.h"

namespace bench {

Data Task::operator()(int min, int max) const {
	Data v(size);
	std::generate_n(std::begin(v), size, [&, i=0]() mutable { return (++i)%(max-min+1) + min; });
	return v;
};

Data taskD(Data const& data) {
	Data out(data.size()+2);
	std::copy(std::begin(data), std::end(data), std::begin(out)+2);
	out[0] = std::accumulate(std::begin(data), std::end(data), Data::value_type{});
	out[1] = out[0]&1? out[0]*out[0] : out[0];
	return out;
}

Data const& select(Data const& a, Data const& b) {
	Data::value_type sumA = std::accumulate(std::begin(a), std::end(a), Data::value_type{});
	Data::value_type sumB = std::accumulate(std::begin(b), std::end(b), Data::value_type{});

	return sumA < sumB? a : b;
}

Data::value_type project(Data const& a, Data::value_type const& init) {
	return std::accumulate(std::begin(a), std::end(a), init);
}

}