static void Main(string[] args)
{
// (3*x^2 + 7) / (x + 5) 82 / 10 = 8.2
//Expression exp = new DivExpr(
// new AddExpr(
// new MonomialExpr(3, 2),
// new ConstExpr(7)),
// new AddExpr(
// new MonomialExpr(1, 1),
// new ConstExpr(5)));
//double result = exp.Evaluate(5);
//Expression exp2 = exp.Derive();
//Console.WriteLine(result);
//Console.WriteLine("f(x)=" + exp.ToString());
//Console.WriteLine("f'(x)=" + exp2.ToString());
//Expression exp3 = new DivExpr(
// new AddExpr(
// new MonomialExpr(1, 2),
// new ConstExpr(2)),
// new AddExpr(
// new MonomialExpr(1, 1),
// new ConstExpr(1)));
//Expression exp4 = new DivExpr(
// new AddExpr(
// exp3,
// new ConstExpr(10)),
// new AddExpr(
// new MonomialExpr(1, 2),
// new ConstExpr(5)));
//Console.WriteLine(exp4.ToString());
//Expression expResult = exp4.Derive();
//Console.WriteLine(expResult.ToString());
Expression exp3 = new DivExpr(
new AddExpr(
MonomialExpr.createObject(1, 2),
ConstExpr.createObject(2)),
new AddExpr(
MonomialExpr.createObject(1, 1),
ConstExpr.createObject(1)));
Expression exp4 = new DivExpr(
new AddExpr(
exp3,
ConstExpr.createObject(10)),
new AddExpr(
MonomialExpr.createObject(1, 2),
ConstExpr.createObject(5)));
Console.WriteLine(exp4.ToString());
Expression expResult = exp4.Derive();
Console.WriteLine(expResult.ToString());
}
public static Expression createObject(double a, double n)
{
if (a == 0 || n == 0)
{
return(ConstExpr.createObject(a));
}
return(new MonomialExpr(a, n));
}
public static Expression createObject(double val_a, double val_n)
{
if (val_a == 0 || val_n == 0)
{
return(ConstExpr.createObject(val_a));
}
return(new MonomialExpr(val_a, val_n));
}
public static ConstExpr getZero()
{
if (ZERO == null)
{
ZERO = new ConstExpr(0);
}
return(ZERO);
}
public static Expression createObject(double value)
{
if (value == 0)
{
ConstExpr.getZero();
}
return(new ConstExpr(value));
}
public static Expression createObject(double value)
{
if (value == 0)
{
if (ZERO == null)
ZERO = new ConstExpr(0);
return ZERO;
}
return new ConstExpr(value);
}
public static ConstExpr getZero()
{
if (ZERO == null)
ZERO = new ConstExpr(0);
return ZERO;
}
