private void demix ( final int j , final int d ) { y [ 1 ] ^= y [ 0 ] ; final long rotr = r [ d % DEPTH_OF_D_IN_R ] [ j ] ; // NOTE performance: darn, creation on stack! // right shift x [ 1 ] = ( y [ 1 ] << ( Long . SIZE - rotr ) ) | ( y [ 1 ] >>> rotr ) ; x [ 0 ] = y [ 0 ] - x [ 1 ] ; }
Implementation of the un - MIX function .