nl_tokens: ( protected ) r = this op a ( bitwise )
pl_tokens: function bnpBitwiseTo ( a , op , r ) { var this_array = this . <mask> ; var a_array = a . array ; var r_array = r . array ; var i , f , m = Math . min ( a . t , this . t ) ; for ( i = 0 ; i < m ; ++ i ) r_array [ i ] = op ( this_array [ i ] , a_array [ i ] ) ; if ( a . t < this . t ) { f = a . s & BI_DM ; for ( i = m ; i < this . t ; ++ i ) r_array [ i ] = op ( this_array [ i ] , f ) ; r . t = this . t ; } else { f = this . s & BI_DM ; for ( i = m ; i < a . t ; ++ i ) r_array [ i ] = op ( f , a_array [ i ] ) ; r . t = a . t ; } r . s = op ( this . s , a . s ) ; r . clamp ( ) ; }