Method allocate

include/Eigen/Eigen/src/Core/util/Memory.h:992–996

  #endif

  pointer allocate(size_type num, const void* /*hint*/ = 0)
  {
    internal::check_size_for_overflow<T>(num);
    return static_cast<pointer>( internal::aligned_malloc(num * sizeof(T)) );
  }

  void deallocate(pointer p, size_type /*num*/)
  {