Function check_alignment

example/utility/thread_alloc.cpp:154–197

} // End empty namespace

bool check_alignment(void)
{  bool ok = true;
   using CppAD::thread_alloc;

   // number of binary digits in a size_t value
   size_t n_digit = std::numeric_limits<size_t>::digits;

   // must be a multiple of 8
   ok &= (n_digit % 8) == 0;

   // number of bytes in a size_t value
   size_t n_byte  = n_digit / 8;

   // check raw allocation -------------------------------------------------
   size_t min_bytes = 1;
   size_t cap_bytes;
   void* v_ptr = thread_alloc::get_memory(min_bytes, cap_bytes);

   // convert to a size_t value
   size_t v_size_t = reinterpret_cast<size_t>(v_ptr);

   // check that it is aligned
   ok &= (v_size_t % n_byte) == 0;

   // return memory to available pool
   thread_alloc::return_memory(v_ptr);

   // check array allocation ----------------------------------------------
   size_t size_min = 1;
   size_t size_out;
   my_char *array_ptr =
      thread_alloc::create_array<my_char>(size_min, size_out);

   // convert to a size_t value
   size_t array_size_t = reinterpret_cast<size_t>(array_ptr);

   // check that it is aligned
   ok &= (array_size_t % n_byte) == 0;

   // return memory to available pool
   thread_alloc::delete_array(array_ptr);

   return ok;
}


bool thread_alloc(void)