public void TwoDomains()
{
int[] array = new int[] { 1, 2, 3 };
IDomain domain = Domains.ToDomain(array);
string[] array2 = new string[] { "hello", "world" };
IDomain domain2 = Domains.ToDomain(array2);
object[] results = new object[array.Length * array2.Length];
for (int i = 0; i < array.Length; ++i)
{
for (int j = 0; j < array2.Length; ++j)
{
results[i * array2.Length + j] = new object[] { array[i], array2[j] };
}
}
int k = 0;
foreach (ITuple tuple in Products.Cartesian(domain, domain2))
{
object[] result = (object[])results[k];
Assert.AreEqual(result[0], tuple[0]);
Assert.AreEqual(result[1], tuple[1]);
++k;
}
Assert.AreEqual(k, array.Length * array2.Length);
}
public void SingleDomain()
{
int[] array = new int[] { 1, 2, 3 };
IDomain domain = Domains.ToDomain(array);
int i = 0;
foreach (ITuple tuple in Products.Cartesian(domain))
{
Assert.AreEqual(array[i], tuple[0]);
++i;
}
Assert.AreEqual(i, array.Length);
}
public static IDomainCollection Uniformize(IDomainCollection domains)
{
if (domains == null)
{
throw new ArgumentNullException("domains");
}
Random rnd = new Random((int)DateTime.Now.Ticks);
// find max
int maxCount = int.MinValue;
int minCount = int.MaxValue;
foreach (IDomain domain in domains)
{
maxCount = Math.Max(maxCount, domain.Count);
minCount = Math.Max(minCount, domain.Count);
}
if (minCount == maxCount)
{
return(domains);
}
DomainCollection udomains = new DomainCollection();
foreach (IDomain domain in domains)
{
if (domain.Count == maxCount)
{
udomains.Add(domain);
continue;
}
Object[] udomain = new Object[maxCount];
int i;
for (i = 0; i < domain.Count; ++i)
{
udomain[i] = domain[i];
}
for (; i < maxCount; ++i)
{
udomain[i] = domain[rnd.Next(domain.Count)];
}
udomains.Add(Domains.ToDomain(udomain));
}
return(udomains);
}
private void TestProblem(int k, int l)
{
// create domains
DomainCollection domains = new DomainCollection();
for (int i = 0; i < k; ++i)
{
int[] domain = new int[l];
for (int j = 0; j < l; ++j)
{
domain[j] = j;
}
domains.Add(Domains.ToDomain(domain));
}
// iterface
ITupleEnumerable tuples = Products.PairWize(domains);
int f = 1;
foreach (ITuple tuple in tuples)
{
Console.WriteLine("{0}: {1}", f++, tuple);
}
}