Re: #define issues
Re: #define issues
- Subject: Re: #define issues
- From: Aaron Boothello <email@hidden>
- Date: Sat, 16 Apr 2005 16:35:26 +0800
Well yeah....
the code looks like that. it's not exactly what i typed in....it does the calculating of the rows and columns just fine. It's actually making the assignment. 'value' is a double and the elements in matrix are doubles. But i keep getting 'incompatible types in assignments'...
(and it seems like the error is in "matrix[whatever] = value" for some reason)
i cant seem to figure if it's a syntax error or what ? how would you set a value in a #define ?
Cheers,
Aaron.
On Saturday, April 16, 2005, at 04:25PM, p3consulting <email@hidden> wrote:
>>
>> #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
>email@hidden
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