Re: #define issues

FROM : p3consulting
DATE : Sat Apr 16 10:25:21 2005

>
> #define setvalue(matrix, row, col, value) ( matrix[row+col] = value) 
> //roughly looks like this
>


row + col ?

0 + 3 = 3 + 0

and obviously is not what you want...

((row * 4) + col)
((0 * 4) + 3) == 3 and ((3 * 4) + 0) == 12

+

row and col being indices in an array
should be int not double...


(#define are not a good idea for this kind of application..., just an
opinion)


Pascal Pochet
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