qse/ase/cnt/StdAwk.cs

61 lines
1.1 KiB
C#

/*
* $Id: StdAwk.cs,v 1.1 2007/05/01 07:47:12 bacon Exp $
*/
using System;
using System.Collections.Generic;
using System.Text;
namespace ASECNT
{
public class StdAwk: Awk
{
public StdAwk(): base ()
{
AddFunction("sin", 1, 1, new FunctionHandler(handleSin));
AddFunction("cos", 1, 1, new FunctionHandler(handleCos));
AddFunction("tan", 1, 1, new FunctionHandler(handleTan));
}
protected virtual object handleSin(object[] args)
{
if (args[0] is System.Double)
{
return System.Math.Sin((double)args[0]);
}
else if (args[0] is System.Int32)
{
return System.Math.Sin((double)(int)args[0]);
}
else if (args[0] is System.Int64)
{
return System.Math.Sin((double)(long)args[0]);
}
else if (args[0] is string)
{
double t;
/* TODO: atoi */
try { t = System.Double.Parse((string)args[0]); }
catch (System.Exception e) { t = 0; }
return System.Math.Sin(t);
}
else
{
return System.Math.Sin(0.0);
}
}
protected virtual object handleCos(object[] args)
{
return 0;
}
protected virtual object handleTan(object[] args)
{
return 0;
}
}
}