public void StringParse8()
{
string numeratorStr = "x^(1/2)";
List <Summand> numerator = StringToSummand.Parse(numeratorStr); //meta exception
numerator[0].Coefficient.Should().Be(1);
numerator[0].Multiplicands[0].Should().Match <PowerFunction>(x => x.PowerDenominator == 2 && x.PowerNumerator == 1);
}
public void StringParse9() //exception
{
string numeratorStr = "9*x^2 - 1";
List <Summand> numerator = StringToSummand.Parse(numeratorStr); //meta exception
numerator[0].Coefficient.Should().Be(9);
numerator[0].PolynomialDegree.Should().Be(2);
numerator[1].Coefficient.Should().Be(-1);
}
public void StringParse6()
{
string numeratorStr = "sin(x-1)";
List <Summand> numerator = StringToSummand.Parse(numeratorStr);
numerator[0].Coefficient.Should().Be(1);
numerator[0].Multiplicands.Count.Should().Be(1);
numerator[0].Multiplicands[0].Aparam.Should().Be(1);
numerator[0].Multiplicands[0].Bparam.Should().Be(-1);
}
public void StringParse5()
{
string numeratorStr = "x^3-1";
List <Summand> numerator = StringToSummand.Parse(numeratorStr);
numerator[0].Coefficient.Should().Be(1);
numerator[0].PolynomialDegree.Should().Be(3);
numerator[1].Coefficient.Should().Be(-1);
numerator[1].PolynomialDegree.Should().Be(0);
}
public void StringParse10() //exception
{
string numeratorStr = "(x-6)^(1/3)+2";
List <Summand> numerator = StringToSummand.Parse(numeratorStr); //meta exception
numerator[0].Coefficient.Should().Be(1);
numerator[0].Multiplicands[0].Should().Match <PowerFunction>(x => x.PowerDenominator == 3 && x.PowerNumerator == 1 && x.Aparam == 1 && x.Bparam == -6);
numerator[1].Coefficient.Should().Be(2);
numerator[1].PolynomialDegree.Should().Be(0);
}
public void StringParse7()
{
string numeratorStr = "5*x^2-4*x-1";
List <Summand> numerator = StringToSummand.Parse(numeratorStr); //meta exception
numerator[0].Coefficient.Should().Be(5);
numerator[0].PolynomialDegree.Should().Be(2);
numerator[1].Coefficient.Should().Be(-4);
numerator[1].PolynomialDegree.Should().Be(1);
numerator[2].Coefficient.Should().Be(-1);
}
public void StringParse1()
{
string numeratorStr = "sin(5*x)";
List <Summand> numerator = StringToSummand.Parse(numeratorStr);
numerator.Count.Should().Be(1);
numerator.ToArray().First().Coefficient.Should().Be(1);
numerator.ToArray().First().PolynomialDegree.Should().Be(0);
numerator.ToArray().First().Multiplicands.ToArray().Length.Should().Be(1);
numerator.ToArray().First().Multiplicands.ToArray().First().Aparam.Should().Be(5);
}
public void Parse_4()
{
string str = "x^2";
var result = StringToSummand.Parse(str);
result.Should().HaveCount(1);
result[0].PolynomialDegree.Should().Be(2);
result[0].Coefficient.Should().Be(1.0);
result[0].Multiplicands.Should().HaveCount(0);
result[0].SumsRaisedToPower.Should().HaveCount(0);
}
public void StringParse3()
{
string numeratorStr = "x^2+6*x+5";
List <Summand> numerator = StringToSummand.Parse(numeratorStr);
numerator.Count.Should().Be(3);
numerator[0].Coefficient.Should().Be(1);
numerator[0].PolynomialDegree.Should().Be(2);
numerator[1].Coefficient.Should().Be(6); //Ant sito failina
numerator[1].PolynomialDegree.Should().Be(1);
numerator[2].Coefficient.Should().Be(1);
numerator[2].PolynomialDegree.Should().Be(0);
}
public void StringParse2()
{
string numeratorStr = "5*x-x^(1/2)";
List <Summand> numerator = StringToSummand.Parse(numeratorStr);
numerator.Count.Should().Be(2);
numerator[0].Coefficient.Should().Be(5);
numerator[0].PolynomialDegree.Should().Be(1);
numerator[1].Coefficient.Should().Be(-1);
numerator[1].Multiplicands.Count.Should().Be(1);
numerator[1].Multiplicands[0].Aparam.Should().Be(1);
numerator[1].Multiplicands[0].Bparam.Should().Be(0);
numerator[1].Multiplicands[0].Should()
.Match <PowerFunction>(x => x.PowerDenominator == 2 && x.PowerNumerator == 1);
}
public void CalculateLimit_MKD_69_30_StringParse()
{
string numeratorString = "sin(x)";
string denominatorString = "ln(1+2*x)";
var normalizedFunction = new NormalizedFunction
{
Numerator = StringToSummand.Parse(numeratorString),
Denominator = StringToSummand.Parse(denominatorString),
};
var result = LimitCalculator.CalculateLimit(normalizedFunction, 0.0);
result.LimitResultType.Should().Be(LimitResultType.RealNumber);
result.Value.Should().Be(0.5);
}
public void CalculateLimit_MKD_67_16_StringParse()
{
string numeratorString = "1-cos(Pi*x+2)";
string denominatorString = "1";
var normalizedFunction = new NormalizedFunction
{
Numerator = StringToSummand.Parse(numeratorString),
Denominator = StringToSummand.Parse(denominatorString),
};
var result = LimitCalculator.CalculateLimit(normalizedFunction, -2 / Math.PI);
result.LimitResultType.Should().Be(LimitResultType.RealNumber);
result.Value.Should().Be(0);
}
public void CalculateLimit_AndReturnsCorrectLimit_9_StringParse()
{
string numeratorString = "x^(1/5)";
string denominatorString = "x^(1/3)";
var normalizedFunction = new NormalizedFunction
{
Numerator = StringToSummand.Parse(numeratorString),
Denominator = StringToSummand.Parse(denominatorString),
};
var result = LimitCalculator.CalculateLimit(normalizedFunction, 0);
result.LimitResultType.Should().Be(LimitResultType.PositiveInfinity);
}
public void CalculateLimit_MKD_67_1_StringParse()
{
string numeratorString = "((5*x^2)-4*x-1)";
string denominatorString = "(x-1)";
// var a = StringToSummand.FindPolynomialDegree("(5*x^2)");
var normalizedFunction = new NormalizedFunction
{
Numerator = StringToSummand.Parse(numeratorString),
Denominator = StringToSummand.Parse(denominatorString)
};
var result = LimitCalculator.CalculateLimit(normalizedFunction, 1);
result.LimitResultType.Should().Be(LimitResultType.RealNumber);
result.Value.Should().Be(6.0);
}
public void Parse_1()
{
string str = "cos(x)*(e^(3+7x)-2e^(2x))";
var result = StringToSummand.Parse(str);
result.Should().HaveCount(1);
result[0].PolynomialDegree.Should().Be(0);
result[0].Coefficient.Should().Be(1.0);
result[0].Multiplicands.Should().HaveCount(1);
result[0].Multiplicands[0].Should()
.Match <Cosine>(
x =>
MathHelper.AreApproximatelyEqual(x.Aparam, 1.0) &&
MathHelper.AreApproximatelyEqual(x.Bparam, 0.0));
result[0].SumsRaisedToPower.Should().HaveCount(1);
result[0].SumsRaisedToPower[0].Degree.Should().Be(1);
var sum = result[0].SumsRaisedToPower[0].Sum;
sum.Should().HaveCount(2);
sum[0].PolynomialDegree.Should().Be(0);
sum[0].Coefficient.Should().Be(1.0);
sum[0].Multiplicands.Should().HaveCount(1);
sum[0].Multiplicands[0].Should()
.Match <ExponentialFunction>(
x =>
MathHelper.AreApproximatelyEqual(x.Aparam, 7.0) &&
MathHelper.AreApproximatelyEqual(x.Bparam, 3.0));
sum[1].PolynomialDegree.Should().Be(0);
sum[1].Coefficient.Should().Be(-2);
sum[1].Multiplicands.Should().HaveCount(1);
sum[1].Multiplicands[0].Should()
.Match <ExponentialFunction>(
x =>
MathHelper.AreApproximatelyEqual(x.Aparam, 2.0) &&
MathHelper.AreApproximatelyEqual(x.Bparam, 0.0));
}
public void Parse_6()
{
string str = "x^(2/3)";
var a = StringToSummand.FindPolynomialDegree("x^(2/3)");
var result = StringToSummand.Parse(str);
result.Should().HaveCount(1);
result[0].PolynomialDegree.Should().Be(0);
result[0].Coefficient.Should().Be(1.0);
result[0].Multiplicands.Should().HaveCount(1);
result[0].Multiplicands[0].Should()
.Match <PowerFunction>(
x =>
MathHelper.AreApproximatelyEqual(x.Aparam, 1.0) &&
MathHelper.AreApproximatelyEqual(x.Bparam, 0.0) &&
x.PowerNumerator == 2 &&
x.PowerDenominator == 3);
result[0].SumsRaisedToPower.Should().HaveCount(0);
}