Raising floating point errors with FloatingPointErrorsToTrap

ID: 74

See: Error = [ErrorInfo], FloatingPointErrorsToTrap = [Int32] 
				
					using uCalcSoftware;

var uc = new uCalc();
Console.WriteLine(uc.Error.FloatingPointErrorsToTrap);
Console.WriteLine(uc.EvalStr("1/0"));
Console.WriteLine(uc.EvalStr("0/0"));
Console.WriteLine(uc.EvalStr("5*10^308"));
Console.WriteLine(uc.EvalStr("10^-308/10000"));

Console.WriteLine("--- Raise Div-by-0 ---");
uc.Error.FloatingPointErrorsToTrap = (int)ErrorCode.FloatDivisionByZero;
Console.WriteLine(uc.Error.FloatingPointErrorsToTrap);
Console.WriteLine(uc.EvalStr("1/0"));
Console.WriteLine(uc.EvalStr("0/0"));
Console.WriteLine(uc.EvalStr("5*10^308"));
Console.WriteLine(uc.EvalStr("10^-308/10000"));

Console.WriteLine("--- Raise overflow ---");
uc.Error.FloatingPointErrorsToTrap = (int)ErrorCode.FloatOverflow;
Console.WriteLine(uc.Error.FloatingPointErrorsToTrap);
Console.WriteLine(uc.EvalStr("1/0"));
Console.WriteLine(uc.EvalStr("0/0"));
Console.WriteLine(uc.EvalStr("5*10^308"));
Console.WriteLine(uc.EvalStr("10^-308/10000"));

Console.WriteLine("--- Raise invalid & underflow ---");
uc.Error.SetFloatingPointErrorsToTrap(ErrorCode.FloatInvalid, ErrorCode.FloatUnderflow);
Console.WriteLine(uc.Error.FloatingPointErrorsToTrap); // ErrorCode::FloatInvalid + ErrorCode::FloatUnderflow
Console.WriteLine(uc.EvalStr("1/0"));
Console.WriteLine(uc.EvalStr("0/0"));
Console.WriteLine(uc.EvalStr("5*10^308"));
Console.WriteLine(uc.EvalStr("10^-308/10000"));
				
			
0
inf
nan
inf
0
--- Raise Div-by-0 ---
8
Division by 0
nan
inf
0
--- Raise overflow ---
4
Floating point overflow
nan
Floating point overflow
0
--- Raise invalid & underflow ---
18
inf
Invalid operation
inf
Floating point underflow
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					#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   cout << uc.Error().FloatingPointErrorsToTrap() << endl;
   cout << uc.EvalStr("1/0") << endl;
   cout << uc.EvalStr("0/0") << endl;
   cout << uc.EvalStr("5*10^308") << endl;
   cout << uc.EvalStr("10^-308/10000") << endl;

   cout << "--- Raise Div-by-0 ---" << endl;
   uc.Error().FloatingPointErrorsToTrap((int)ErrorCode::FloatDivisionByZero);
   cout << uc.Error().FloatingPointErrorsToTrap() << endl;
   cout << uc.EvalStr("1/0") << endl;
   cout << uc.EvalStr("0/0") << endl;
   cout << uc.EvalStr("5*10^308") << endl;
   cout << uc.EvalStr("10^-308/10000") << endl;

   cout << "--- Raise overflow ---" << endl;
   uc.Error().FloatingPointErrorsToTrap((int)ErrorCode::FloatOverflow);
   cout << uc.Error().FloatingPointErrorsToTrap() << endl;
   cout << uc.EvalStr("1/0") << endl;
   cout << uc.EvalStr("0/0") << endl;
   cout << uc.EvalStr("5*10^308") << endl;
   cout << uc.EvalStr("10^-308/10000") << endl;

   cout << "--- Raise invalid & underflow ---" << endl;
   uc.Error().SetFloatingPointErrorsToTrap(ErrorCode::FloatInvalid, ErrorCode::FloatUnderflow);
   cout << uc.Error().FloatingPointErrorsToTrap() << endl; // ErrorCode::FloatInvalid + ErrorCode::FloatUnderflow
   cout << uc.EvalStr("1/0") << endl;
   cout << uc.EvalStr("0/0") << endl;
   cout << uc.EvalStr("5*10^308") << endl;
   cout << uc.EvalStr("10^-308/10000") << endl;
}
				
			
0
inf
nan
inf
0
--- Raise Div-by-0 ---
8
Division by 0
nan
inf
0
--- Raise overflow ---
4
Floating point overflow
nan
Floating point overflow
0
--- Raise invalid & underflow ---
18
inf
Invalid operation
inf
Floating point underflow
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					Imports System
Imports uCalcSoftware
Public Module Program
   Public Sub Main()
      Dim uc As New uCalc()
      Console.WriteLine(uc.Error.FloatingPointErrorsToTrap)
      Console.WriteLine(uc.EvalStr("1/0"))
      Console.WriteLine(uc.EvalStr("0/0"))
      Console.WriteLine(uc.EvalStr("5*10^308"))
      Console.WriteLine(uc.EvalStr("10^-308/10000"))
      
      Console.WriteLine("--- Raise Div-by-0 ---")
      uc.Error.FloatingPointErrorsToTrap = CInt(ErrorCode.FloatDivisionByZero)
      Console.WriteLine(uc.Error.FloatingPointErrorsToTrap)
      Console.WriteLine(uc.EvalStr("1/0"))
      Console.WriteLine(uc.EvalStr("0/0"))
      Console.WriteLine(uc.EvalStr("5*10^308"))
      Console.WriteLine(uc.EvalStr("10^-308/10000"))
      
      Console.WriteLine("--- Raise overflow ---")
      uc.Error.FloatingPointErrorsToTrap = CInt(ErrorCode.FloatOverflow)
      Console.WriteLine(uc.Error.FloatingPointErrorsToTrap)
      Console.WriteLine(uc.EvalStr("1/0"))
      Console.WriteLine(uc.EvalStr("0/0"))
      Console.WriteLine(uc.EvalStr("5*10^308"))
      Console.WriteLine(uc.EvalStr("10^-308/10000"))
      
      Console.WriteLine("--- Raise invalid & underflow ---")
      uc.Error.SetFloatingPointErrorsToTrap(ErrorCode.FloatInvalid, ErrorCode.FloatUnderflow)
      Console.WriteLine(uc.Error.FloatingPointErrorsToTrap) '// ErrorCode::FloatInvalid + ErrorCode::FloatUnderflow
      Console.WriteLine(uc.EvalStr("1/0"))
      Console.WriteLine(uc.EvalStr("0/0"))
      Console.WriteLine(uc.EvalStr("5*10^308"))
      Console.WriteLine(uc.EvalStr("10^-308/10000"))
   End Sub
End Module
				
			
0
inf
nan
inf
0
--- Raise Div-by-0 ---
8
Division by 0
nan
inf
0
--- Raise overflow ---
4
Floating point overflow
nan
Floating point overflow
0
--- Raise invalid & underflow ---
18
inf
Invalid operation
inf
Floating point underflow
Explore 600+ other examples