Function padding_requirement

include/rabitqlib/utils/rotator.hpp:45–54

get padding requirement for different rotator

namespace rotator_impl {

// get padding requirement for different rotator
inline size_t padding_requirement(size_t dim, RotatorType type) {
    if (type == RotatorType::MatrixRotator) {
        return dim;
    }
    if (type == RotatorType::FhtKacRotator) {
        return round_up_to_multiple(dim, 64);
    }
    std::cerr << "Invalid rotator type in padding_requirement()\n" << std::flush;
    exit(1);
}