>> C_PLUSPLUS <<
Thursday, October 23, 1997
Hello Chris!
Wednesday, October 22, 1997, Chris Downs writes to Michael Rathburn:
 MR>> Please if you have time please look at this code and tell me what
 MR>> is going wrong all it is supposed to do is get the user to enter
 MR>> the quoted char,int and float check they have input the correct
 MR>> data then output the data but the float check cocks up please
 MR>> tell me why.
 CD>  FASCINATING!!
 CD>  First off, there were some problems with the logic of the program.
 CD>  You didn't use braces around some of the else deals so that program
 CD>  control didn't flow as I suppose you expected.  But that's not what
 CD>  was so interesting.
 MR>> float pi;
 MR>> cout << "\n\tPlease enter pi ie:-3.142  ";
 MR> cin >>> pi;
 MR>> if(pi  3.142 )
 MR>> {
 MR>> cout << "\n\tWrong Formula";
 MR>> continue;
 MR>> }
 CD>  When I ran this thing, I would type in 3.142 and the program thinks
 CD> that pi is either less than 3.142 or greater than 3.142.
That is correct, the program tests that pi = 3.142 is not good.
3.142 is NOT smaller than 3.142 and 3.142 is NOT greater than 3.142
use:
if(pi  3.142 )
      -------
or
if(pi = 3.142 )
                   -----
Regards, Henk
E-mail: hdeutekom@bundy.idn.nl
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