public override Sexpr diff(Sexpr v)
{
return Symbolic.mult(argument.diff(v), new Exp(argument));
}
public static Sexpr sin(Sexpr arg)
{
if (arg.isConstant())
return new Constant(Math.Sin(arg.getValue()));
else
return new Sin(arg);
}
public override Sexpr diff(Sexpr v)
{
if(name.Equals(v.ToString()))
return new Constant(1);
else
return new Constant(0);
}
public static Sexpr exp(Sexpr arg)
{
if (arg.isConstant())
return new Constant(Math.Exp(arg.getValue()));
else
return new Exp(arg);
}
public static Sexpr mult(Sexpr l, Sexpr r)
{
if(l.isConstant() && r.isConstant())
return new Constant(l.getValue() * r.getValue());
else if(l.isZero() || r.isZero())
return new Constant(0);
else if(l.isOne())
return r;
else if(r.isOne())
return l;
else
return new Mult(l,r);
}
public override Sexpr diff(Sexpr v)
{
return Symbolic.sub(left.diff(v), right.diff(v));
}
public static Sexpr cos(Sexpr arg)
{
if (arg.isConstant())
return new Constant(Math.Cos(arg.getValue()));
else
return new Cos(arg);
}
public Mult(Sexpr x, Sexpr y)
: base(x,y)
{
}
public override Sexpr diff(Sexpr v)
{
if(left.isConstant() && right.isConstant())
return new Constant(0);
else
return Symbolic.add(Symbolic.mult(left.diff(v), right),
Symbolic.mult(left, right.diff(v)));
}
public Assignment(Sexpr s, Sexpr v)
: base(s, v)
{
}
public MonOp(Sexpr t)
: base()
{
tecken=t;
}
public override Sexpr diff(Sexpr v)
{
return Symbolic.mult(argument.diff(v), new Div(new Constant(1), argument));
}
public Log(Sexpr a)
: base(a)
{
}
public Function(Sexpr a)
: base()
{
argument=a;
}
public override Sexpr diff(Sexpr h)
{
return Symbolic.mult(argument.diff(h),
new Cos(argument));
}
public Negation(Sexpr t)
: base(t)
{
}
public Subtraction(Sexpr x, Sexpr y)
: base(x,y)
{
}
public override Sexpr diff(Sexpr v)
{
return Symbolic.neg(tecken.diff(v));
}
public static Sexpr add(Sexpr l, Sexpr r)
{
if (l.isConstant() && r.isConstant())
{
Sexpr ret = new Constant(l.getValue() + r.getValue());
// return new Constant(l.getValue() + r.getValue());
return ret;
}
else if (l.isZero())
return r;
else if (r.isZero())
return l;
else
return new addition(l, r);
}
public override Sexpr diff(Sexpr v)
{
return new Constant(0);
}
public static Sexpr div(Sexpr l, Sexpr r)
{
if(r.isZero())
throw new CalculatorException("F�r inte dela med noll");
else
{
if(l.isConstant() && r.isConstant())
return new Constant(l.getValue() / r.getValue());
else if(l.isZero())
return new Constant(0);
else
return new Div(l,r);
}
}
public Quot(Sexpr t)
: base(t)
{
}
public static Sexpr log(Sexpr arg)
{
if (arg.isConstant())
return new Constant(Math.Log(arg.getValue()));
else
return new Log(arg);
}
public override Sexpr diff( Sexpr v)
{
return tecken.diff(v);
}
public static Sexpr neg(Sexpr tecken)
{
if (tecken.isConstant())
return new Constant(-(tecken.getValue()));
else
return new Negation(tecken);
}
public abstract Sexpr diff(Sexpr v);
public static Sexpr sub(Sexpr l, Sexpr r)
{
if(l.isConstant() && r.isConstant())
return new Constant(l.getValue() - r.getValue());
else if(l.isZero())
return new Negation(r);
else if(r.isZero())
return l;
else
return new Subtraction(l,r);
}
public Sin(Sexpr a)
: base(a)
{
}
public addition(Sexpr l, Sexpr r)
: base(l,r)
{
}
public Exp(Sexpr a)
: base(a)
{
}
