*****************   Assignment #5 for CS341  *********************
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*****                 Due: Tuesday 11/24/98                  *****
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Write a C/C++ program to find out how floating point numbers are represented 
internally. Your program should prompt the user to enter a number in one of two 
formats:
              --> Decimal (D),
              --> Exponent/Significand (E).

Examples:


(i)   Program -> Choose precision
      User    -> S
      Program -> Choose format
      User    -> D
      Program -> Enter number
      User    -> 2.5
      Program -> S=_ E=________ F=_______________________

(ii)  Program -> Choose precision
      User    -> D
      Program -> Choose format
      User    -> E
      Program -> Enter base
      User    -> 10
      Program -> Enter exponent
      User    -> -4
      Program -> Enter mantissa
      User    -> 198.077
      Program -> S=_ E=___________ F=_______________________..._