Function sobel

src/api/cpp/sobel.cpp:17–23

namespace af {

void sobel(array &dx, array &dy, const array &img, const unsigned ker_size) {
    af_array af_dx = 0;
    af_array af_dy = 0;
    AF_THROW(af_sobel_operator(&af_dx, &af_dy, img.get(), ker_size));
    dx = array(af_dx);
    dy = array(af_dy);
}

array sobel(const array &img, const unsigned ker_size, const bool isFast) {
    array dx;