static void AssertDivMod(int x1, int x2)
{
var nd = SchemeImpl.Div(x1, x2);
var xm = SchemeImpl.Mod(x1, x2);
AssertDivMod(x1, x2, nd, xm);
}
static void AssertDivMod(int x1, int x2)
{
var nd = SchemeImpl.Div(x1, x2);
var xm = SchemeImpl.Mod(x1, x2);
var r = SchemeImpl.DivMod(x1, x2);
Assert.AreEqual(nd, r.Item1);
Assert.AreEqual(xm, r.Item2);
AssertDivMod(x1, x2, nd, xm);
}
static void Main(string[] args)
{
var sw = new Stopwatch();
var r = SchemeImpl.Div(123, 10);
for (int i = 0; i < 500000; i++)
{
r = SchemeImpl.Div(123, 10);
//r = SchemeImpl.DivSlow(123, 10);
r = SchemeImpl.Div0(123, 10);
//r = SchemeImpl.Div0Slow(123, 10);
}
const int MAX = 500000000;
sw.Start();
for (int i = 1; i < MAX; i++)
{
r = SchemeImpl.Div(i, MAX - i);
r = SchemeImpl.Div(i, 0 - i);
r = SchemeImpl.Div(MAX - i, i);
r = SchemeImpl.Div(0 - i, i);
}
sw.Stop();
Console.WriteLine("Div: {0:f3}s", sw.Elapsed.TotalSeconds);
/*
* sw.Restart();
*
* for (int i = 1; i < MAX; i++)
* {
* r = SchemeImpl.DivSlow(i, 0 - i);
* }
*
* sw.Stop();
*
* Console.WriteLine("DivSlow: {0:f3}s", sw.Elapsed.TotalSeconds);
*/
sw.Restart();
for (int i = 1; i < MAX; i++)
{
r = SchemeImpl.Div0(i, MAX - i);
r = SchemeImpl.Div0(i, 0 - i);
r = SchemeImpl.Div0(MAX - i, i);
r = SchemeImpl.Div0(0 - i, i);
}
sw.Stop();
Console.WriteLine("Div0: {0:f3}s", sw.Elapsed.TotalSeconds);
/*
* sw.Restart();
*
* for (int i = 1; i < MAX; i++)
* {
* r = SchemeImpl.Div0Slow(i, 0 - i);
* }
*
* sw.Stop();
*
* Console.WriteLine("Div0Slow: {0:f3}s", sw.Elapsed.TotalSeconds);
*/
Console.WriteLine(r);
}
public void TestDivPP()
{
Assert.AreEqual(12, SchemeImpl.Div(123, 10));
}
public void TestDivNN()
{
Assert.AreEqual(13, SchemeImpl.Div(-123, -10));
}
public void TestDivNP()
{
Assert.AreEqual(-13, SchemeImpl.Div(-123, 10));
}
public void TestDivPN()
{
Assert.AreEqual(-12, SchemeImpl.Div(123, -10));
}
public void TestDivPP()
{
Assert.AreEqual(1, SchemeImpl.Div(17, 11));
}
public void TestDivNN()
{
Assert.AreEqual(2, SchemeImpl.Div(-17, -11));
}
public void TestDivNP()
{
Assert.AreEqual(-2, SchemeImpl.Div(-17, 11));
}
public void TestDivPN()
{
Assert.AreEqual(-1, SchemeImpl.Div(17, -11));
}