Function diff1

src/api/cpp/diff.cpp:15–19

namespace af {
array diff1(const array &in, const int dim) {
    af_array out = 0;
    AF_THROW(af_diff1(&out, in.get(), dim));
    return array(out);
}

array diff2(const array &in, const int dim) {
    af_array out = 0;