private static List <DoublePoint> GetPointsToGraph()
{
var graphPoinst = new List <DoublePoint>();
double minY = -GraphHeight / 2 - 1;
double maxY = GraphHeight / 2 + 1;
double x = (-Offset.X - GraphWidth / 2);
double y = new Rpn(rpn).GetNewRpnWithSetVariable(x * Zoom).Calculate() / Zoom - Offset.Y;
graphPoinst.Add(new DoublePoint(x + Offset.X, y));
foreach (DoublePoint el in pointsList)
{
if (el.X > GetLeftPointXPos() && el.X < GetRightPointXPos())
{
var point = new DoublePoint(el.X, el.Y);
point.Y -= Offset.Y;
point.X += Offset.X;
if (point.Y > maxY)
{
point.Y = maxY;
}
if (point.Y < minY)
{
point.Y = minY;
}
graphPoinst.Add(point);
}
}
for (int i = 1; i < graphPoinst.Count - 1; i++)
{
if (graphPoinst[i].Y == maxY)
{
if (graphPoinst[i - 1].Y == maxY && graphPoinst[i + 1].Y == maxY)
{
graphPoinst.RemoveAt(i);
i--;
}
}
else if (graphPoinst[i].Y == minY)
{
if (graphPoinst[i - 1].Y == minY && graphPoinst[i + 1].Y == minY)
{
graphPoinst.RemoveAt(i);
i--;
}
}
}
x = (-Offset.X + GraphWidth / 2);
y = new Rpn(rpn).GetNewRpnWithSetVariable(x * Zoom).Calculate() / Zoom - Offset.Y;
graphPoinst.Add(new DoublePoint(x + Offset.X, y));
return(graphPoinst);
}
public void TestFuncWithManyArguments()
{
var rpn = new Rpn("threesum(3+4,sqrt(9),6)");
Assert.AreEqual("3 4 + 9 sqrt( 6 threesum(", rpn.ToString());
Assert.AreEqual(3, ((RpnItemFunction)rpn.Result.Last()).ArgumentCount);
}
public void InputButton_Click(object sender, RoutedEventArgs e)
{
string equation = Rpn.StartRpn(InputBox.Text);
OutputResult.Text = equation;
DrawF(equation);
}
public void TestSubtraction()
{
var rpn = new Rpn("100-10-10-10");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(70, value.Numeric);
}
public void TestNotEqualOpStr()
{
var rpn = new Rpn("''hej'!='då'");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(1, value.Numeric);
}
public void TestNotEqualOp2()
{
var rpn = new Rpn("85!=85");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(0, value.Numeric);
}
public void TestFirstFunction()
{
var rpn = new Rpn("(12)/(first(0?1,0?2,0?3,1?4,1?5))");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(3, value.Numeric);
}
public void TestOrderEvaluation()
{
var rpn = new Rpn("12/2/3");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(2, value.Numeric);
}
public void TestBasicAddition()
{
var rpn = new Rpn("3+4");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(7, value.Numeric);
}
public void TestThatNullIsFalse()
{
var rpn = new Rpn("null?1");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(null, value.String);
}
public void TestDivision()
{
var rpn = new Rpn("3+4/2");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(5, value.Numeric);
}
public void TestNullParsing()
{
var rpn = new Rpn("null");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(null, value.String);
}
public void TestDivision3()
{
var rpn = new Rpn("1000/10*2/10");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(20, value);
}
public void TestSubtraction()
{
var rpn = new Rpn("100-10-10-10");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(70, value);
}
public void TestDivision()
{
var rpn = new Rpn("3+4/2");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(5, value);
}
public void TestDivision3()
{
var rpn = new Rpn("1000/10*2/10");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(20, value.Numeric);
}
public void TestBasicAddition()
{
var rpn = new Rpn("3+4");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(7, value);
}
public void TestNotEqualOp2()
{
var rpn = new Rpn("85!=85");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(0, value);
}
public void Calculate_Always_Success(string expression, int expectedValue)
{
var rpn = new Rpn();
var calculate = rpn.Calculate(expression);
Assert.AreEqual(expectedValue, calculate);
}
public void TestOrderEvaluation()
{
var rpn = new Rpn("12/2/3");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(2, value);
}
public void TestEqLtParsing()
{
var rpn = new Rpn("5<=2+3");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual(1, value.Numeric);
}
private void AddRpn(Rpn rpn)
{
program.AddLast(new LinkedListNode <Rpn>(rpn));
if (labelsForNextRpn.Count > 0)
{
LabelLastRpn();
}
}
public void TestStringAddition()
{
var rpn = new Rpn("\"3\"+\"3\"");
var eval = new EvaluateRpn(rpn);
var value = eval.Eval();
Assert.AreEqual("33", value.String);
}
public void TestEqLtParsing()
{
var rpn = new Rpn("5<=2+3");
var eval = new CompileRpn(rpn);
var value = eval.Evaluate(null);
Assert.AreEqual(1, value);
}
public void InputButton_Click(object sender, RoutedEventArgs e)
{
_ = this.Find <Button>("InputButton");
var OutputResult = this.Find <TextBlock>("OutputResult");
var InputBox = this.Find <TextBox>("InputBox");
string equation = Rpn.StartRpn(InputBox.Text);
OutputResult.Text = equation;
}
public void CanWorkWithGuids()
{
var id = Guid.NewGuid();
var rpn = new Rpn($"id=='{id}'");
var eval = new EvaluateRpn(rpn, new List <NameAndType> {
new NameAndType("id", typeof(Guid))
});
var value = eval.Eval(new object[] { id });
Assert.AreEqual(1, value.Numeric);
}
public void Test()
{
var rpn = new Rpn("nisse+2*sture+5");
var x = new CompileRpn(rpn,
new List <NameAndType>
{
new NameAndType("nisse", typeof(double)),
new NameAndType("sture", typeof(double))
});
var result = x.Evaluate(new object[] { 1.0, 3.0 });
Console.WriteLine(result);
}
public void TestThatNullabelsWorks1()
{
var rpn = new Rpn("var1??-1");
Assert.AreEqual("var1 -1 ??", rpn.ToString());
var eval = new EvaluateRpn(rpn, new List <NameAndType>
{
new NameAndType("var1", typeof(double))
});
var value = eval.Eval(new object[] { null });
Assert.AreEqual(-1, value.Numeric);
}
public void TestEqualOp(double variableValue, double expected)
{
var rpn = new Rpn("Url==42");
Assert.AreEqual("Url 42 ==", rpn.ToString());
var eval = new CompileRpn(rpn, new List <NameAndType>
{
new NameAndType("Url", typeof(double))
});
var value = eval.Evaluate(new object[] { variableValue });
Assert.AreEqual(expected, value);
}
public void TestVariables()
{
var rpn = new Rpn("3+(a+q)/(2+2)+3");
Assert.AreEqual("3 a q + 2 2 + / + 3 +", rpn.ToString());
var eval = new CompileRpn(rpn, new List <NameAndType>
{
new NameAndType("a", typeof(double)), new NameAndType("q", typeof(double))
});
var variables = new object[] { 3.0, 5.0 };
var value = eval.Evaluate(variables);
Assert.AreEqual(8, value);
}
