public void CorrectlyDivides(uint divisor, uint testDividend)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var quotient = testDividend / uInt32Divisor;
Assert.AreEqual(testDividend / divisor, quotient);
}
public void CalculatesModulusCorrectly(uint divisor, uint testDividend)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var remainder = testDividend % uInt32Divisor;
Assert.AreEqual(testDividend % divisor, remainder);
}
public void CalculatesFloorCorrectly(uint divisor, uint testDividend)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var rounded = uInt32Divisor.Floor(testDividend);
Assert.AreEqual(testDividend / divisor * divisor, rounded);
}
public DelegateDispatchedUInt32Divisor(uint divisor) : this()
{
Divisor = divisor;
var w = new UInt32Divisor(divisor);
Multiplier = w.Multiplier;
Strategy = w.Strategy;
Shift = w.Shift;
switch (Strategy)
{
case UnsignedIntegerDivisorStrategy.Shift:
DivideFunc = ShiftOnly;
break;
case UnsignedIntegerDivisorStrategy.MultiplyShift:
DivideFunc = Multiply;
break;
case UnsignedIntegerDivisorStrategy.MultiplyAddShift:
DivideFunc = MultiplyAdd;
break;
default:
DivideFunc = Echo;
break;
}
}
public void Setup()
{
rng = new PcgRandom();
Console.WriteLine($"Setup with value {ValueToDivideBy}");
divisorBranching = new UInt32Divisor(ValueToDivideBy);
divisorOld = new OldDivisor(ValueToDivideBy);
}
public void DivRemReturnsCorrectly(uint divisor, uint testDividend)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var remainder = uInt32Divisor.DivRem(testDividend, out var quotient);
Assert.Multiple(() =>
{
Assert.AreEqual(testDividend % divisor, remainder);
Assert.AreEqual(testDividend / divisor, quotient);
});
}
public void CalculatesFloorRemCorrectly(uint divisor, uint testDividend)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var remainder = uInt32Divisor.FloorRem(testDividend, out var rounded);
Assert.Multiple(() =>
{
Assert.AreEqual(testDividend % divisor, remainder);
Assert.AreEqual(testDividend / divisor * divisor, rounded);
});
}
public void CalculatesFloorCorrectlyRandomNumerators(uint divisor)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = rng.Next();
var rounded = uInt32Divisor.Floor(testDividend);
Assert.AreEqual(testDividend / divisor * divisor, rounded, $"Trying to test {testDividend} / {divisor} * {divisor}");
}
}
public void CalculatesModulusCorrectlyRandomNumerators(uint divisor)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = rng.Next();
var remainder = testDividend % uInt32Divisor;
Assert.AreEqual(testDividend % divisor, remainder, $"Trying to test {testDividend} % {divisor}");
}
}
public void CorrectlyDividesRandomNumerators(uint divisor)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = rng.Next();
var quotient = testDividend / uInt32Divisor;
Assert.AreEqual(testDividend / divisor, quotient, $"Trying to test {testDividend} / {divisor}");
}
}
public void DivRemReturnsCorrectlyRandomNumerators(uint divisor)
{
var uInt32Divisor = new UInt32Divisor(divisor);
var rng = new PcgRandom();
for (ulong i = 0; i < RandomTestCount; i++)
{
var testDividend = rng.Next();
var remainder = uInt32Divisor.DivRem(testDividend, out var quotient);
Assert.AreEqual(testDividend % divisor, remainder, $"Trying to test {testDividend} % {divisor}");
Assert.AreEqual(testDividend / divisor, quotient, $"Trying to test {testDividend} / {divisor}");
}
}
public UInt32Divisor UInt32Divisor() => u32D = new UInt32Divisor(Divisor());
