[c-prog] Re: char to float to char

[John Matthews]

--- In c-prog@yahoogroups.com, Jos Timanta Tarigan <jos_t_tari...@...> wrote:
>
> the problem is i want to merge two image and merging the value of each pixel. 
> so basically pixel1 + pixel2 / 2.0;
> the problem is each of these pixels is char. how can I convert it to float 
> and then convert it back to char again?

Why do you need to convert to float? How about:

    char pixel1, pixel2, newPixel;

    newPixel = (pixel1 + pixel2) / 2;