public void CreatingPolinomial()
{
Polinomial polinomial = new Polinomial(new double[] { 1, 2, 3 });
int expectedDegree = 2;
Assert.AreEqual(expectedDegree, polinomial.Degree);
}
public void HashCode2()
{
Polinomial a = new Polinomial(new double[] { 2, 3, 4, 5 });
Polinomial b = new Polinomial(new double[] { 5, 4, 3, 2 });
Assert.IsTrue(a.GetHashCode() == b.GetHashCode());
}
public bool PolinomialEqualsTests(double[] coefs, int degree)
{
Polinomial firstPol = new Polinomial(new double[] { 1, 2, 3 }, 2);
Polinomial secondPol = new Polinomial(coefs, degree);
return(firstPol.Equals(secondPol));
}
public void EqualityTest4()
{
Polinomial a = new Polinomial(new double[] { 2, 3, 4, 5 });
Polinomial b = new Polinomial(new double[] { 2, 2, 4, 5 });
Assert.IsTrue(a != b);
}
public void EqualsTest2()
{
Polinomial a = new Polinomial(new double[] { 2, 3, 4, 5 });
Polinomial b = new Polinomial(new double[] { 2, 2, 4, 5 });
Assert.IsFalse(a.Equals(b));
}
public void SomaDeContantesTest(double[] actualFist, double actualSecond, double[] expected)
{
var a = new Polinomial(actualFist.ToList());
a.Multiplicar(actualSecond);
Assert.IsTrue(expected.SequenceEqual(a.Polinomio.Values.ToList()));
}
public bool PolinomialEquityTests(double[] coefs1, int degree1, double[] coefs2, int degree2)
{
Polinomial firstPol = new Polinomial(coefs1, degree1);
Polinomial secondPol = new Polinomial(coefs2, degree2);
return(firstPol == secondPol);
}
public void SomaTest(double[] actualFist, double[] actualSecond, double[] expected)
{
var a = new Polinomial(actualFist.ToList());
var b = new Polinomial(actualSecond.ToList());
a.Somar(b);
Assert.IsTrue(expected.SequenceEqual(a.Polinomio.Values.ToList()));
}
public static Polinomial operator /(Polinomial a, Polinomial b)
{
Polinomial ib = new Polinomial(
b.xValue == 0 ? 0 : 1.0f / b.xValue,
b.pureValue == 0 ? 0 : 1.0f / b.pureValue);
return(a * ib);
}
public void MultiplicationTest()
{
Polinomial a = new Polinomial(new double[] { 1, 1 });
Polinomial b = new Polinomial(new double[] { 1, 1 });
a *= b;
Assert.IsTrue(new Polinomial(new double[] { 1, 2, 1 }) == a);
}
public void SubstractionTest()
{
Polinomial a = new Polinomial(new double[] { 2, 3, 4, 5 });
Polinomial b = new Polinomial(new double[] { 5, 4, 3, 2 });
Polinomial c = new Polinomial(new double[] { -3, -1, 1, 3 });
a -= b;
Assert.IsTrue(a == c);
}
public void SummingTest()
{
Polinomial a = new Polinomial(new double[] { 2, 3, 4, 5 });
Polinomial b = new Polinomial(new double[] { 5, 4, 3, 2 });
Polinomial c = new Polinomial(new double[] { 7, 7, 7, 7 });
a += b;
Assert.IsTrue(a == c);
}
public void SumOfTwoPolinomialsNustReturnExpectedResult(double[] first, double[] second, double[] expected)
{
Polinomial firstPolimomial = new Polinomial(first);
Polinomial secondPolimomial = new Polinomial(second);
Polinomial expectedSumOfPolinomials = new Polinomial(expected);
Polinomial sumOfPolinomials = firstPolimomial + secondPolimomial;
Assert.AreEqual(expectedSumOfPolinomials, sumOfPolinomials);
}
public void MultiplyingPolinomialsByZeroNumberMustReturnValidResult()
{
Polinomial polimomial = new Polinomial(new double[] { 5, -3, 0, 9 });
var expectedPolimomial = new Polinomial(new double[] { 0, 0, 0, 0 });
int number = 0;
polimomial *= number;
Assert.AreEqual(expectedPolimomial, polimomial);
}
public void MultiplyingPolinomialsByZNegativeNumberMustReturnValidResult()
{
Polinomial polimomial = new Polinomial(new double[] { 5, -3, 0, 9 });
var expectedPolimomial = new Polinomial(new double[] { -15, 9, 0, -27 });
int number = -3;
polimomial *= number;
Assert.AreEqual(expectedPolimomial, polimomial);
}
public void DividingPolinomialWithSmallerDegreeOnPolinomialWithBiggerDegreeMustReturnNull()
{
Polinomial firstPolinomial = new Polinomial(new double[] { 3, -1, 1 });
Polinomial secondPolinomial = new Polinomial(new double[] { -1, 0, -7, 0, 10 });
Polinomial expectedPolinomial = null;
Polinomial dividingOfTwoPolinomials = firstPolinomial / secondPolinomial;
Assert.AreEqual(expectedPolinomial, dividingOfTwoPolinomials);
}
public void DividingPolinomialOnZeroPolinomialMustReturnNull()
{
Polinomial firstPolinomial = new Polinomial(new double[] { -1, 0, -7, 0, 10 });
Polinomial secondPolinomial = new Polinomial(new double[] { 0 });
Polinomial expectedPolinomial = null;
Polinomial dividingOfTwoPolinomials = firstPolinomial / secondPolinomial;
Assert.AreEqual(expectedPolinomial, dividingOfTwoPolinomials);
}
public void DividingOfTwoPolinomialsMustReturnValidResult()
{
Polinomial firstPolinomial = new Polinomial(new double[] { -1, 0, -7, 0, 10 });
Polinomial secondPolinomial = new Polinomial(new double[] { 3, -1, 1 });
Polinomial expectedPolinomial = new Polinomial(new double[] { -27, 10, 10 });
Polinomial dividingOfTwoPolinomials = firstPolinomial / secondPolinomial;
Assert.AreEqual(expectedPolinomial, dividingOfTwoPolinomials);
}
public void MultiplayingOfTwoPolinomialsSameSizeMustReturnValidResult()
{
Polinomial firstPolinomial = new Polinomial(new double[] { 5, -3, 0, 9 });
Polinomial secondPolinomial = new Polinomial(new double[] { 11, 6, -12, 3 });
var expectedPolinomial = new Polinomial(new double[] { 55, -3, -78, 150, 45, -108, 27 });
var multiplayingOfTwoPolinomials = firstPolinomial * secondPolinomial;
Assert.AreEqual(expectedPolinomial, multiplayingOfTwoPolinomials);
}
public void MultiplayingOfTwoPolinomialsDifferentSizeMustReturnValidResult()
{
Polinomial firstPolinomial = new Polinomial(new double[] { 5, -3, 0, 9 });
Polinomial secondPolinomial = new Polinomial(new double[] { 11, 6, -12 });
var expectedPolinomial = new Polinomial(new double[] { 55, -3, -78, 135, 54, -108 });
var multiplayingOfTwoPolinomials = firstPolinomial * secondPolinomial;
Assert.AreEqual(expectedPolinomial, multiplayingOfTwoPolinomials);
}
public void DifferenceOfTwoPolinomialsNustReturnExpectedResult()
{
Polinomial firstPolimomial = new Polinomial(new double[] { 5, -3, 0, 9 });
Polinomial secondPolimomial = new Polinomial(new double[] { 11, 6, -12 });
Polinomial expectedSumOfPolinomials = new Polinomial(new double[] { -6, -9, 12, 9 });
Polinomial sumOfPolinomials = firstPolimomial - secondPolimomial;
Assert.AreEqual(expectedSumOfPolinomials, sumOfPolinomials);
}
public string Interpolacao()
{
// Quantida de pontos
K = Pontos.Count - 1;
var polinomial = new Polinomial();
for (var i = 0; i < K; i++)
{
polinomial.Somar(ProdutorioL(i));
}
return(polinomial.ImprimirFormatado());
}
public void PolinomialMultiplicationTests(double[] coefs, int degree, double[] sumCoef, int sumDegree)
{
Polinomial firstPol = new Polinomial(new double[] { 1, 2, 3 }, 2);
Polinomial secondPol = new Polinomial(coefs, degree);
Polinomial sumPol = firstPol * secondPol;
Assert.AreEqual(sumPol.getDegree(), sumDegree);
for (int i = 0; i < sumPol.getCoef().Length; i++)
{
Assert.AreEqual(sumPol.getCoef()[i], sumCoef[i], 0.1);
}
}
private void btnEqual_Click(object sender, EventArgs e)
{
try
{
Polinomial p = new Polinomial(txtView.Text);
txtView.Text = p.Answer(new string[0]);
txtView.Tag = "Answer";
}
catch
{
txtView.Text = "Error: Invalid terms.";
txtView.Tag = "Answer";
}
}
public void TestAnsver()
{
Polinomial v = new Polinomial(new List <double>()
{
1, 2, 3
});
double expected = 11;
double actual;
actual = v.getAnsver(2);
Assert.AreEqual(actual, expected);
}
private Polinomial ProdutorioL(int j)
{
Polinomial polinomial;
// Caso especial para iniciação do polinomio
// K == 1
if (j != 0)
{
polinomial = new Polinomial(new[]
{
Pontos[0].x * -1,
1
});
polinomial.Multiplicar(1 / (Pontos[j].x - Pontos[0].x));
}
else
{
// Quando é o primeiro
// K = 1
polinomial = new Polinomial(new[]
{
Pontos[1].x * -1,
1
});
polinomial.Multiplicar(1 / (Pontos[j].x - Pontos[1].x));
}
for (var i = 1; i < K; i++)
{
if (i == j)
{
continue;
}
polinomial.Multiplicar(new[]
{
Pontos[i].x * -1,
1
});
polinomial.Multiplicar(1 / (Pontos[j].x - Pontos[i].x));
}
// Multiplicação de Y
polinomial.Multiplicar(Pontos[j].y);
return(polinomial);
}
public static Polinomial operator *(Polinomial a, Polinomial b)
{
Polinomial result = new Polinomial();
for (int i = 0; i < a.coefficients.Count + b.coefficients.Count - 1; i++)
{
result.AddCoefficient(0d);
}
for (int i = 0; i < a.coefficients.Count; i++)
{
for (int j = 0; j < b.coefficients.Count; j++)
{
result[i + j] += (a[i] * b[j]);
}
}
return(result);
}
public static float Solve(Equation equation)
{
Polinomial lhs = Solve(equation.lhs);
Polinomial rhs = Solve(equation.rhs);
//Console.WriteLine(lhs + " = " + rhs);
float xTerms = lhs.xValue - rhs.xValue;
float nTerms = rhs.pureValue - lhs.pureValue;
if (xTerms == 0)
{
throw new Exception("No Xs left on equation");
}
//Console.WriteLine(xTerms + "x = " + nTerms);
return(nTerms / xTerms);
}
public string Interpolacao()
{
var escalares = CalculaD();
var polinomio = new Polinomial(escalares[0]);
for (var i = 1; i < escalares.Count; i++)
{
var auxPoli = new Polinomial(-Pontos[0].x, 1);
for (var j = 1; j < i; j++)
{
auxPoli.Multiplicar(new [] { -Pontos[j].x, 1 });
}
auxPoli.Multiplicar(escalares[i]);
polinomio.Somar(auxPoli);
}
return(polinomio.ImprimirFormatado());
}
public static Polinomial Solve(Mult mult)
{
Polinomial result = Solve(mult.term);
foreach (var multOp in mult.multOp)
{
switch (multOp.operatorSymbol)
{
case "*":
result *= Solve(multOp.term);
break;
case "/":
result /= Solve(multOp.term);
break;
}
}
return(result);
}
private void Sort()
{
foreach (Monomial monomial in this.left)
{
if (!monomial.IsMonomial)
{
this.right -= monomial;
this.left.Remove(monomial);
}
}
foreach (Monomial monomial in this.right)
{
if (monomial.IsMonomial)
{
this.left -= monomial;
this.right.Remove(monomial);
}
}
}
public Equation(Polinomial left, Polinomial right)
{
this.left = left;
this.right = right;
}