61 lines
1.1 KiB
C#
61 lines
1.1 KiB
C#
/*
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* $Id: StdAwk.cs,v 1.2 2007/09/18 14:30:41 bacon Exp $
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace ase.com
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{
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public class StdAwk: Awk
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{
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public StdAwk(): base ()
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{
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AddFunction("sin", 1, 1, new FunctionHandler(handleSin));
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AddFunction("cos", 1, 1, new FunctionHandler(handleCos));
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AddFunction("tan", 1, 1, new FunctionHandler(handleTan));
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}
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protected virtual object handleSin(object[] args)
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{
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if (args[0] is System.Double)
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{
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return System.Math.Sin((double)args[0]);
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}
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else if (args[0] is System.Int32)
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{
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return System.Math.Sin((double)(int)args[0]);
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}
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else if (args[0] is System.Int64)
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{
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return System.Math.Sin((double)(long)args[0]);
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}
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else if (args[0] is string)
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{
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double t;
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/* TODO: atoi */
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try { t = System.Double.Parse((string)args[0]); }
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catch (System.Exception) { t = 0; }
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return System.Math.Sin(t);
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}
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else
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{
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return System.Math.Sin(0.0);
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}
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}
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protected virtual object handleCos(object[] args)
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{
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return 0;
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}
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protected virtual object handleTan(object[] args)
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{
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return 0;
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}
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}
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}
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