<BUG>assert _len == _len2;int zs = 0;</BUG><CONTEXT>_xs = null;_ds = ds;}protected void set_sparse(int nzeros){if(_len == nzeros)return;<extra_id_0>if(_ds == null){assert nzeros < _ls.length;_id = MemoryManager.malloc4(_ls.length);</CONTEXT>
assert _len == _len2:"_len = " + _len + ", _len2 = " + _len2 + ", nzeros = " + nzeros;int zs = 0;