Is there a way to prevent rounding in opencv matrix divison

Question

I have an integer matrix and I want to perform an integer division on it. But opencv always rounds the result. I know I can divide each element manually but I want to know is th

Answer 1

Similar to @GPPK's optional method, you can hack it by:

Mat tmp, dst;
c.convertTo(tmp, CV_64F);
tmp = tmp / 8 - 0.5;            // simulate to prevent rounding by -0.5
tmp.convertTo(dst, CV_32S);

cout << dst;