Function __max

src/modules/lda/lda.cpp:136–140

 * @note The caller will ensure that ah is always non-null.
 **/
template<class T> static T __max(
    ArrayHandle<T> ah, size_t start, size_t len){
    const T * array = ah.ptr() + start;
    return *std::max_element(array, array + len);
}
template<class T> static T __max(ArrayHandle<T> ah){
    return __max(ah, 0, ah.size());
}