BOX_C1_LOG        629 jquant2.c      #define BOX_C1_ELEMS  (1<<BOX_C1_LOG)
BOX_C1_LOG        633 jquant2.c      #define BOX_C1_SHIFT  (C1_SHIFT + BOX_C1_LOG)
BOX_C1_LOG        874 jquant2.c        c1 >>= BOX_C1_LOG;
BOX_C1_LOG        896 jquant2.c        c1 <<= BOX_C1_LOG;