Function pzero

dependency/densecrf/include/Eigen/src/Core/GenericPacketMath.h:295–298

/** \internal \returns packet of zeros */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet
pzero(const Packet& a) {
  return pzero_impl<Packet>::run(a);
}

/** \internal \returns a <= b as a bit mask */
template<typename Packet> EIGEN_DEVICE_FUNC inline Packet