public static IExpression Subtract(IExpression lhe, IExpression rhe)
{
var res = (FlatMultExpression)lhe.Clone();
if (DimensionKey.Compare(res.DimensionKey, rhe.DimensionKey))
{
res.Count.Subtract(rhe.Count);
return(res);
}
return(null);
}
public static IExpression Add(IExpression lhe, IExpression rhe)
{
var res = lhe.Clone();
if (DimensionKey.Compare(res.DimensionKey, rhe.DimensionKey))
{
res.Count.Add(rhe.Count);
return(res);
}
return(null);
}
public void Clone_FlatMultExpression()
{
//Arrange
var expression = new FlatMultExpression();
expression.Add(new VariableExpression("x", 1));
expression.Add(new NumberExpression(3));
//Act
var clone = (FlatMultExpression)expression.Clone();
//Assert
Assert.IsTrue(DimensionKey.Compare(expression.DimensionKey, clone.DimensionKey));
Assert.IsTrue(FlatExpression.Compare(expression, clone));
}
public static IExpression Subtract(IExpression lhe, IExpression rhe)
{
var res = lhe.Clone();
if (rhe is IVariableExpression)
{
if (DimensionKey.Compare(res.DimensionKey, rhe.DimensionKey))
{
res.Count.Subtract(rhe.Count);
return(res);
}
}
return(null);
}
public void Clone_FlatAddExpression_Inversed()
{
//Arrange
var flatAdd = new FlatAddExpression();
flatAdd.Add(new VariableExpression("x", 1));
flatAdd.Add(new NumberExpression(3));
var expression = (FlatAddExpression)(new BinaryExpression(flatAdd, OperatorTypes.Power, new NumberExpression(-1)).Execute());
//Act
var clone = (FlatAddExpression)expression.Clone();
//Assert
Assert.IsTrue(DimensionKey.Compare(expression.DimensionKey, clone.DimensionKey));
Assert.IsTrue(FlatExpression.Compare(expression, clone));
}
public static IExpression Add(IExpression lhe, IExpression rhe)
{
var res = (FlatMultExpression)lhe.Clone();
if (DimensionKey.Compare(res.DimensionKey, rhe.DimensionKey))
{
//if (res.Expressions.ContainsKey(Dimensions.Number))
//{
// res.Expressions[Dimensions.Number][0].Count.Add(rhe.Count);
//}
//else
//{
// res.Count.Add(rhe.Count);
//}
res.Count.Add(rhe.Count);
return(res);
}
return(null);
}
public void Clone_VariableExpression()
{
//Arrange
var expression = new VariableExpression("x", 2);
expression.Count = new Complex(3, 2);
expression.DimensionKey.Set("y", 3);
//Act
var clone = (VariableExpression)expression.Clone();
//Assert
Assert.AreEqual(expression.Symbol, clone.Symbol);
Assert.IsFalse(Object.ReferenceEquals(expression.Symbol, clone.Symbol));
Assert.IsTrue(DimensionKey.Compare(expression.DimensionKey, clone.DimensionKey));
Assert.AreEqual(expression.Count.Re.Numerator, clone.Count.Re.Numerator);
Assert.AreEqual(expression.Count.Re.Denominator, clone.Count.Re.Denominator);
Assert.AreEqual(expression.Count.Im.Numerator, clone.Count.Im.Numerator);
Assert.AreEqual(expression.Count.Im.Denominator, clone.Count.Im.Denominator);
}