public void Simplify_Multiplication_6()
{
Environment environment = new Environment();
ConstantSimplifier simplifier = new ConstantSimplifier(environment);
SyntaxNode node = Parser.ParseExpression("2 * 3", environment);
Assert.AreEqual("6", simplifier.Simplify(node).ToString());
}
public void Simplify_Subtraction_1()
{
Environment environment = new Environment();
ConstantSimplifier simplifier = new ConstantSimplifier(environment);
SyntaxNode node = Parser.ParseExpression("2 - 1", environment);
Assert.AreEqual("1", simplifier.Simplify(node).ToString());
}
private SyntaxNode Simplify(SyntaxNode node)
{
ConstantSimplifier constantSimplifier = new ConstantSimplifier(environment);
if (node == null)
{
return(node);
}
return(constantSimplifier.Simplify(node));
}
public void Simplify_Subtract0_X()
{
Environment environment = new Environment();
environment.AddSymbol("x");
ConstantSimplifier simplifier = new ConstantSimplifier(environment);
SyntaxNode node = Parser.ParseExpression("x - 0", environment);
Assert.AreEqual("x", simplifier.Simplify(node).ToString());
}
public void Simplify_MultiplyBy1ManyTimes_X()
{
Environment environment = new Environment();
environment.AddSymbol("x");
ConstantSimplifier simplifier = new ConstantSimplifier(environment);
SyntaxNode node = Parser.ParseExpression("x * 1 * 1 * 1", environment);
Assert.AreEqual("x", simplifier.Simplify(node).ToString());
}
public void Simplify_ComplexAlgebraExpression_SimplifiesDivision()
{
Environment environment = new Environment();
environment.AddSymbol("x");
ConstantSimplifier simplifier = new ConstantSimplifier(environment);
SyntaxNode node = Parser.ParseExpression("3 * x / 3 + 12", environment);
Assert.AreEqual("x + 12", simplifier.Simplify(node).ToString());
}
public Derivative(Expression expression, string variable)
{
this.expression = expression;
this.variable = variable;
simplifier = new ConstantSimplifier(expression.GetEnvironment());
}
