Method none

gecode/support/bitset-base.hpp:302–305

    return (bits & mask) == mask;
  }
  forceinline bool
  BitSetData::none(void) const {
    return bits == static_cast<Base>(0U);
  }
  forceinline bool
  BitSetData::none(unsigned int i) const {
    const Base mask = (static_cast<Base>(1U) << i) - static_cast<Base>(1U);