func GetSizeWidth(img *IplImage) int {
	size := C.cvGetSize(unsafe.Pointer(img))
	w := int(size.width)
	return w
}
func GetSizeWidth(img *IplImage) int {
	size := C.cvGetSize(unsafe.Pointer(img))
	w := int(size.width)
	return w
}
func GetSizeWidth ( img * IplImage ) int { size := C . cvGetSize ( unsafe . Pointer ( img ) ) w := int ( size . width ) return w }
/******** matrix iterator: used for n-ary operations on dense arrays *********/
// P290
/* Returns width and height of array in elements */
****** matrix iterator : used for n - ary operations on dense arrays ******** P290 / * Returns width and height of array in elements