public void ParallelEnumerator_Next_WithValidData_Enumerates()
{
int[] data1 = new[] { 1, 2, 3, 4, 5 };
int[] data2 = new[] { 6, 7, 8 };
int[] data3 = new[] { 9, 10, 11, 12 };
var enumerator = new ParallelEnumerator <int>(data1, data2, data3);
Assert.That(enumerator.Next(), Is.True);
Assert.That(enumerator.Current, Is.EquivalentTo(new[] { 1, 6, 9 }));
Assert.That(enumerator.Next(), Is.True);
Assert.That(enumerator.Current, Is.EquivalentTo(new[] { 2, 7, 10 }));
Assert.That(enumerator.Next(), Is.True);
Assert.That(enumerator.Current, Is.EquivalentTo(new[] { 3, 8, 11 }));
Assert.That(enumerator.Next(), Is.True);
Assert.That(enumerator.Current, Is.EquivalentTo(new[] { 4, 0, 12 }));
Assert.That(enumerator.Next(), Is.True);
Assert.That(enumerator.Current, Is.EquivalentTo(new[] { 5, 0, 0 }));
Assert.That(enumerator.Next(), Is.False);
}
private static ArbitraryNumber SubstractPositives(ArbitraryNumber a, ArbitraryNumber b)
{
var num1 = new ArbitraryNumber(a);
var num2 = new ArbitraryNumber(b);
AlignFractionalDigits(num1, num2);
var result = new ArbitraryNumber();
var enumerator = new ParallelEnumerator <int>(num1.Digits.AsEnumerable().Reverse(), num2.Digits.AsEnumerable().Reverse());
int carryOver = 0;
while (enumerator.Next())
{
int val1 = enumerator.Current[0];
int val2 = enumerator.Current[1];
int sub = val1 - val2 - carryOver;
int val = 0;
if (sub < 0)
{
val = 10 + sub;
carryOver = 1;
}
else
{
val = sub;
carryOver = 0;
}
result.Digits.Insert(0, val);
}
if (carryOver > 0)
{
result.Digits.Insert(0, carryOver);
result.IsNegative = true;
}
result.DecimalsCount = num1.DecimalsCount;
Trim(result);
return(result);
}
private static ArbitraryNumber AddPositives(ArbitraryNumber a, ArbitraryNumber b)
{
var num1 = new ArbitraryNumber(a);
var num2 = new ArbitraryNumber(b);
AlignFractionalDigits(num1, num2);
var result = new ArbitraryNumber();
var enumerator = new ParallelEnumerator <int>(num1.Digits.AsEnumerable().Reverse(), num2.Digits.AsEnumerable().Reverse());
int carryOver = 0;
while (enumerator.Next())
{
int val1 = enumerator.Current[0];
int val2 = enumerator.Current[1];
int added = val1 + val2 + carryOver;
int val = added % 10;
carryOver = (added - val) / 10;
result.Digits.Insert(0, val);
}
if (carryOver > 0)
{
result.Digits.Insert(0, carryOver);
}
result.DecimalsCount = num1.DecimalsCount;
Trim(result);
return(result);
}