bench.cpp

#include "foo.h"

void bench()
{
	Radians rad(PI);
	Radians tmp(0);

	for (int i=0; i<100000000; ++i)
	{
		tmp=mul(rad);
		rad=div(tmp);
	}
}

void bench_ref()
{
	Radians rad(PI);
	Radians tmp(0);

	for (int i=0; i<100000000; ++i)
	{
		tmp=mul_ref(rad);
		rad=div_ref(tmp);
	}
}

foo.cpp

#include "foo.h"

Radians mul(Radians r)
{
	return r*2;
}
Radians div(Radians r)
{
	return r/2;
}

Radians mul_ref(const Radians &r)
{
	return r*2;
}
Radians div_ref(const Radians &r)
{
	return r/2;
}

foo.h

#include "degrad.h"

Radians mul(Radians);
Radians div(Radians);

Radians mul_ref(const Radians);
Radians div_ref(const Radians);