public void DivisionTest()
{
var(div, remaining) = NumberWork.GetSufficientPartForDivision(1306, 16);
Assert.Equal(130, div);
Assert.Equal(6, remaining);
(div, remaining) = NumberWork.GetSufficientPartForDivision(3, 2);
Assert.Equal(3, div);
Assert.Equal(-1, remaining);
}
public void GetFirstDigitTest()
{
var(digit, remaining) = NumberWork.GetFirstDigit(3458977);
Assert.Equal(3, digit);
Assert.Equal(458977, remaining);
(digit, remaining) = NumberWork.GetFirstDigit(7);
Assert.Equal(7, digit);
Assert.Equal(-1, remaining);
(digit, remaining) = NumberWork.GetFirstDigit(0);
Assert.Equal(0, digit);
Assert.Equal(-1, remaining);
}
public View BuildViewByModel(Model model)
{
View view = new View();
int degree = NumberWork.GetMostRoundingDegree(model.First, model.Second);
long xArg = (long)(model.First * NumberWork.Pow(10, degree));
long yArg = (long)(model.Second * NumberWork.Pow(10, degree));
int maxLength = NumberWork.GetMaxLength(xArg, yArg);
view.AddLine(makeIndent(Indent) + xArg);
view.AddLine(makeIndent(Indent + maxLength - NumberWork.NumLength(yArg)) + yArg);
view.AddLine(makeIndent(Indent) + makeLine(maxLength));
foreach (var component in model.Components)
{
view.AddLine(makeIndent(Indent + maxLength - NumberWork.NumLength(component)) + component);
}
view.AddLine(makeIndent(Indent) + makeLine(maxLength));
view.AddLine(makeIndent(Indent) + model.Result);
return(view);
}
private long[] computeComponents()
{
int degree = NumberWork.GetMostRoundingDegree(First, Second);
long xArg = (long)(First * NumberWork.Pow(10, degree));
long yArg = (long)(Second * NumberWork.Pow(10, degree));
int maxLength = NumberWork.GetMaxLength(xArg, yArg);
long[] components = new long[maxLength];
if (NumberWork.NumLength(xArg) < NumberWork.NumLength(yArg))
{
Util.Swap(ref xArg, ref yArg);
}
long[] xComps = NumberWork.GetNumberComponents(xArg);
long[] yComps = NumberWork.GetNumberComponents(yArg);
for (int i = 0; i < maxLength; i++)
{
components[i] = xComps[i] + (i < yComps.Length ? yComps[i] : 0);
}
return(components);
}
public void RoundingDegreeTest()
{
Assert.Equal(2, NumberWork.GetMostRoundingDegree(13.6, 12.75));
Assert.Equal(1, NumberWork.GetMostRoundingDegree(13.6, 10));
Assert.Equal(0, NumberWork.GetMostRoundingDegree(10, 20));
}
public void GetMaxLengthTest()
{
Assert.Equal(6, NumberWork.GetMaxLength(345, 867_498));
Assert.Equal(3, NumberWork.GetMaxLength(0, 756));
}
public void NumLengthTest()
{
Assert.Equal(3, NumberWork.NumLength(567));
}
public void ConcatTest()
{
Assert.Equal(346, NumberWork.Concat(3, 46));
Assert.Equal(346, NumberWork.Concat(34, 6));
Assert.Equal(35_468, NumberWork.Concat(35, 468));
}
