6287ceff5a
For calculations in upcoming algorithm patches, the inverse of a matrix is required. Add an implementation of the inverse() function for square matrices. Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>