RE: [Dev-C++] bit extraction problem

[Ioannis V. <iv...@em...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Dawood Vora
> Sent: Sunday, August 17, 2003 10:07 AM
> To: Dev C++
> Subject: [Dev-C++] bit extraction problem
> 
> 
> bit extraction problem
> 
> Below is a program to extract the layout of the bits from an integer.
> It works fine, if the input number is within the range of 
> long type of int.
> It is suppose to give me a message, if the input number is 
> either greater 
> than the max limits of long or lower than the min limits of 
> long.  But it 
> does not.  Apparently the offending line is : "cin>>x;"  If x 
> is not able 
> to accommodate any input number it simply stores the number 2 
> as per my 
> system.  Does anybody know, how to solve this problem.


Read the number as a string so as to be sure that it fits however large the
"value" is. Then make some trick to see if it is within
numeric_limits<long>::max(), numeric_limits<long>::min() (defined in
<limits> which are the equivalent of LONG_MIN and LONG_MAX defined in
<climits>).






Ioannis Vranos
 
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