lib/ngt/index.rb in ngt-0.1.0 vs lib/ngt/index.rb in ngt-0.1.1

@@ -27,10 +27,10 @@
       objects = objects.to_a
       flat_objects = objects.flatten
       obj = ::FFI::MemoryPointer.new(:float, flat_objects.size)
       obj.write_array_of_float(flat_objects)
 
-      ids = ::FFI::MemoryPointer.new(:uint32_t, objects.size)
+      ids = ::FFI::MemoryPointer.new(:uint32, objects.size)
       ffi(:ngt_batch_insert_index, @index, obj, objects.size, ids)
 
       build_index(num_threads: num_threads)
 
       ids.read_array_of_uint32(objects.size)