added a test

primary_operations_test.cpp

@@ -0,0 +1,50 @@
+#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 /");
+}