#include <chrono>
#include <iostream>
#include <string>
#include <functional>
using namespace std::chrono_literals;

template<class T>
void time_type(const size_t loop,T init,T incr ,const std::function<T(T,T)> lambda, std::string name)
{
	T p;
	auto begin = std::chrono::high_resolution_clock::now();
	for(T i=0;i<loop;++i)
	{
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
		p=lambda(p,incr);
	}
	auto end = std::chrono::high_resolution_clock::now();
	std::cout
		<<name
		<<" took "
		<<std::chrono::duration_cast<std::chrono::microseconds>(end-begin).count()
		<<"µs"
		<<std::endl;
}

int main()
{
	time_type<int>(10000,1,1,[](int a,int b)->int {return a+b;}, "int +");
	time_type<int>(10000,20000,1,[](int a,int b)->int {return a-b;}, "int -");
	time_type<int>(10000,1,2,[](int a,int b)->int {return a*b;}, "int *");
	time_type<int>(10000,99999999,2,[](int a,int b)->int {return a/b;}, "int /");

	time_type<float>(10000,1,0.5,[](float a,float b)->float {return a+b;}, "float +");
	time_type<float>(10000,20000,1.14,[](float a,float b)->float {return a-b;}, "float -");
	time_type<float>(10000,1,1.25,[](float a,float b)->float {return a*b;}, "float *");
	time_type<float>(10000,99999999,1.25,[](float a,float b)->float {return a/b;}, "float /");

	time_type<double>(10000,1,0.5,[](double a,double b)->double {return a+b;}, "double +");
	time_type<double>(10000,20000,1.14,[](double a,double b)->double {return a-b;}, "double -");
	time_type<double>(10000,1,1.25,[](double a,double b)->double {return a*b;}, "double *");
	time_type<double>(10000,99999999,1.25,[](double a,double b)->double {return a/b;}, "double /");
}