May 30th, 2013, 08:00 AM  #1 
Newbie Joined: May 2013 Posts: 13 Thanks: 0  c++ returning 0
okay I been working on this along time equation 1 a * b * c = d equation2 d + e = f it would be easy to imagine this 1 * 1 * 1 = n n + 1 = 2 now an attempt at something alittle more complex a * b * c = d = d + e = f ive created 48 blocks of equations that produce 46 subvariables in drawings that are in 2d for reversals of each variable possibility a * b * c = d d + e = f ive coded this into dev c++ and some of the subvariables return 0 google doesn't even have 1 result for 0 I can send anyone a source code or executable that creates a 0 i have the 48 drawings for each possibility in a notepad file and im trying to finish arrainging the equations by functions of +  * / */ = for each of the 6 main variables my idea of this was to make an artificial intelligence and this is the way the code was written length * width * height = time = time + information = existence im asking for help with what a 0 returned out of c++ would imply as ive found 0 help 
May 30th, 2013, 08:27 AM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: c++ returning 0
You're not giving us nearly enough information. Certainly there is such a thing as a negative zero in IEEE floatingpoint, it's reasonably wellknown (try searching for that name rather than the string 0 which Google interprets as "webpages not containing 0" which it sensibly refuses to list). 
May 30th, 2013, 09:47 AM  #3 
Newbie Joined: May 2013 Posts: 13 Thanks: 0  Re: c++ returning 0
thank u very much....... ive been trying to find out what it means and haven't been able to find any help the best assumption i got was it was an error i can see now it implies infinity now i can move on what would this imply about my code its working with numbers for now say i input one variable that is an integer it solves all 46 subvariables and some of them output 0's i been stuck on the 0 for awhile and it has stopped my motivation to work on the code 
May 30th, 2013, 09:53 AM  #4  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: c++ returning 0 Quote:
 
May 30th, 2013, 10:09 AM  #5 
Newbie Joined: May 2013 Posts: 13 Thanks: 0  Re: c++ returning 0
so 0 is the starting point for a negative number that is known to be less than 0? its an extention of the number line to increase accuracy? im looking on wikipedia 
May 30th, 2013, 11:36 AM  #6  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: c++ returning 0 Quote:
 
May 30th, 2013, 11:49 AM  #7 
Newbie Joined: May 2013 Posts: 13 Thanks: 0  Re: c++ returning 0
is it just a number that is negative and was rounded to zero because of accuracy?

May 30th, 2013, 11:57 AM  #8  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: c++ returning 0 Quote:
 
May 30th, 2013, 12:35 PM  #9 
Newbie Joined: May 2013 Posts: 13 Thanks: 0  Re: c++ returning 0
so your saying 0 is like all the other numbers between 0 and infinity?

May 30th, 2013, 01:58 PM  #10  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: c++ returning 0 Quote:
 

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