public void Statistcs_ListGeneralizeMeanBlockAlgorithmTest()
{
var target = new ListGeneralizedMeanAlgorithm <int, double>(
i => i,
d => d,
(d, i) => d / i,
new DoubleField());
var blockNumber = 2500;
var integerSequence = new List <int>();
for (var i = 1; i < 5500; ++i)
{
integerSequence.Add(i);
var expected = (i + 1) / 2.0;
var actual = target.Run <double>(
integerSequence,
blockNumber,
(j, k) => j / (double)k,
(d1, d2) => d1 * d2);
Assert.IsTrue(Math.Abs(expected - actual) < 0.001);
}
var n = 1000500;
for (var i = 5500; i <= n; ++i)
{
integerSequence.Add(i);
}
var outerExpected = (n + 1) / 2.0;
var outerActual = target.Run <double>(
integerSequence,
blockNumber,
(j, k) => j / (double)k,
(d1, d2) => d1 * d2);
Assert.AreEqual(outerExpected, outerActual);
var integerDomain = new BigIntegerDomain();
var fractionField = new FractionField <BigInteger>(integerDomain);
var fracTarget = new ListGeneralizedMeanAlgorithm <int, Fraction <BigInteger> >(
i => new Fraction <BigInteger>(i, 1, integerDomain),
d => d,
(d, i) => d.Divide(i, integerDomain),
fractionField);
var fractionExpected = new Fraction <BigInteger>(n + 1, 2, integerDomain);
var fractionActual = fracTarget.Run <Fraction <BigInteger> >(
integerSequence,
blockNumber,
(j, k) => new Fraction <BigInteger>(j, k, integerDomain),
(d1, d2) => d1.Multiply(d2, integerDomain));
Assert.AreEqual(fractionExpected, fractionActual);
// Teste com alteração da função directa
fracTarget.DirectFunction = i => new Fraction <BigInteger>(new BigInteger(i) * i, 1, integerDomain);
fractionExpected = new Fraction <BigInteger>(
(new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, integerDomain);
fractionActual = fracTarget.Run <Fraction <BigInteger> >(
integerSequence,
blockNumber,
(j, k) => new Fraction <BigInteger>(j, k, integerDomain),
(d1, d2) => d1.Multiply(d2, integerDomain));
// Teste com transformação
var transformedTarget = new ListGeneralizedMeanAlgorithm <BigInteger, Fraction <BigInteger> >(
i => new Fraction <BigInteger>(i, 1, integerDomain),
d => d,
(d, i) => d.Divide(i, integerDomain),
fractionField);
var transformedSeq = new TransformList <int, BigInteger>(
integerSequence,
i => new BigInteger(i) * i);
var transformedExpected = new Fraction <BigInteger>(
(new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, integerDomain);
var transformedActual = transformedTarget.Run <Fraction <BigInteger> >(
transformedSeq,
blockNumber,
(j, k) => new Fraction <BigInteger>(j, k, integerDomain),
(d1, d2) => d1.Multiply(d2, integerDomain));
Assert.AreEqual(transformedExpected, transformedActual);
}
public void Statistcs_ListGeneralizeMeanAlgorithmTest()
{
var target = new ListGeneralizedMeanAlgorithm <int, double>(
i => i,
d => d,
(d, i) => d / i,
new DoubleField());
var integerSequence = new List <int>();
for (var i = 1; i < 5000; ++i)
{
integerSequence.Add(i);
var expected = (i + 1) / 2.0;
var actual = target.Run(integerSequence);
Assert.AreEqual(expected, actual);
}
var n = 1000000;
for (var i = 5000; i <= n; ++i)
{
integerSequence.Add(i);
}
var outerExpected = (n + 1) / 2.0;
var outerActual = target.Run(integerSequence);
Assert.AreEqual(outerExpected, outerActual);
var bigIntegerDomain = new BigIntegerDomain();
var fractionField = new FractionField <BigInteger>(bigIntegerDomain);
var fractionTarget = new ListGeneralizedMeanAlgorithm <int, Fraction <BigInteger> >(
i => new Fraction <BigInteger>(i, 1, bigIntegerDomain),
d => d,
(d, i) => d.Divide(i, bigIntegerDomain),
fractionField);
var fractionExpected = new Fraction <BigInteger>(n + 1, 2, bigIntegerDomain);
var fractionActual = fractionTarget.Run(integerSequence);
Assert.AreEqual(fractionExpected, fractionActual);
// Teste com alteração da função directa
fractionTarget.DirectFunction = i => new Fraction <BigInteger>(new BigInteger(i) * i, 1, bigIntegerDomain);
fractionExpected = new Fraction <BigInteger>(
(new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, bigIntegerDomain);
fractionActual = fractionTarget.Run(integerSequence);
Assert.AreEqual(fractionExpected, fractionActual);
// Teste com transformação
var transformedTarget = new ListGeneralizedMeanAlgorithm <BigInteger, Fraction <BigInteger> >(
i => new Fraction <BigInteger>(i, 1, bigIntegerDomain),
d => d,
(d, i) => d.Divide(i, bigIntegerDomain),
fractionField);
var transformedSeq = new TransformList <int, BigInteger>(
integerSequence,
i => new BigInteger(i) * i);
var transformedExpected = new Fraction <BigInteger>(
(new BigInteger(n) + BigInteger.One) * (2 * new BigInteger(n) + 1), 6, bigIntegerDomain);
var transformedActual = transformedTarget.Run(transformedSeq);
Assert.AreEqual(transformedExpected, transformedActual);
}
