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Viewing changes to examples/CalcFunc.cs

  • Committer: kluyten
  • Date: 2004-06-20 23:10:09 UTC
  • Revision ID: vcs-imports@canonical.com-20040620231009-b9b2875161f3b250
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examples/CalcFunc.cs
 
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using System;
 
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/// double implementation
 
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class CalcFunc
 
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{
 
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        public static bool empty = true;
 
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        public static double result = 0;
 
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        public static double temp = 0;
 
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        public static string sign = null;
 
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        public static string operation = null;
 
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        public static void RecordNumber(string number)
 
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        {
 
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                temp = Double.Parse(number);
 
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                if(operation != null)
 
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                {
 
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                        result = Calculate(temp);
 
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                        operation = null;
 
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                }
 
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                else
 
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                        result = temp;
 
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        }
 
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        public static double Calculate(double g)
 
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        {
 
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                switch(operation)
 
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                {
 
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                        case "+":
 
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                                return result + g;
 
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                        case "-":
 
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                                return result - g;
 
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                        case "*":
 
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                                return result * g;
 
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                        case "/":
 
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                                return result / g;              
 
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                }
 
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                return g;
 
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        }
 
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        public static void RecordSign(string psign)
 
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        {
 
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                sign = psign;
 
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                result = temp;
 
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        }
 
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        public static void RecordOperation(string oper)
 
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        {
 
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                operation = oper;
 
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        }
 
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        public static string SwitchSign(String number)
 
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        {
 
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                return -Double.Parse(number) + "";
 
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        }
 
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        public static String CalculateResult()
 
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        {
 
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                sign = null;
 
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           operation = null;
 
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                empty = true;
 
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                return "" + result;
 
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        }
 
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}