Function threshold

src/api/c/imgproc_common.hpp:33–44

template<typename T>
detail::Array<T> threshold(const detail::Array<T>& in, T min, T max) {
    const af::dim4 inDims = in.dims();

    auto MN    = detail::createValueArray(inDims, min);
    auto MX    = detail::createValueArray(inDims, max);
    auto below = detail::logicOp<T, af_le_t>(in, MX, inDims);
    auto above = detail::logicOp<T, af_ge_t>(in, MN, inDims);
    auto valid = detail::logicOp<char, af_and_t>(below, above, inDims);

    return detail::arithOp<T, af_mul_t>(in, common::cast<T, char>(valid),
                                        inDims);
}

template<typename To, typename Ti>
detail::Array<To> convRange(const detail::Array<Ti>& in,