private void FrmMain_Load(object sender, EventArgs e)
{
parser = new SimpleMathParser();
parser.AddUserConstant("MyConst", 10);
parser.AddUserVar("x", 5);
parser.RegisterUserFunction("plus2", plus2);
}
private void FrmMain_Load(object sender, EventArgs e)
{
parser = new SimpleMathParser();
parser.AddUserConstant("MyConst", 10);
parser.AddUserVar("x", 5);
parser.RegisterUserFunction("plus2", plus2);
}
private void button1_Click(object sender, EventArgs e)
{
double result = 0.0;
SimpleMathParser newParser = new SimpleMathParser();
newParser.Formula = "(1+2)*3";
result = parser + newParser;
MessageBox.Show(result.ToString());
}
private void button1_Click(object sender, EventArgs e)
{
double result = 0.0;
SimpleMathParser newParser = new SimpleMathParser();
newParser.Formula = "(1+2)*3";
result = parser + newParser;
MessageBox.Show(result.ToString());
}
/* overloading '/' sign */
public static double operator /(SimpleMathParser parser, object exp)
{
double ret = 0.0;
if (exp is int)
{
ret = parser.ExecuteResult / (double)exp;
}
else if (exp is double)
{
ret = parser.ExecuteResult / (double)exp;
}
else if (exp is string)
{
SimpleMathParser newParser = new SimpleMathParser();
newParser.Formula = exp.ToString();
ret = parser.ExecuteResult / newParser.ExecuteResult;
}
else if (exp is SimpleMathParser)
{
ret = parser.ExecuteResult + (exp as SimpleMathParser).ExecuteResult;
}
return(ret);
}
/* overloading '/' sign */
public static double operator /(SimpleMathParser parser, object exp)
{
double ret = 0.0;
if (exp is int)
{
ret = parser.ExecuteResult / (double)exp;
}
else if (exp is double)
{
ret = parser.ExecuteResult / (double)exp;
}
else if (exp is string)
{
SimpleMathParser newParser = new SimpleMathParser();
newParser.Formula = exp.ToString();
ret = parser.ExecuteResult / newParser.ExecuteResult;
}
else if (exp is SimpleMathParser)
{
ret = parser.ExecuteResult + (exp as SimpleMathParser).ExecuteResult;
}
return ret;
}
