`ctrl'
------

ctrl("SWITCH"[,OBJ])
     :: $B4D6-@_Dj(B

RETURN
     $B@_Dj$5$l$F$$$kCM(B

SWITCH
     $B%9%$%C%AL>(B

OBJ
     $B%Q%i%a%?(B

   * Asir $B$N<B9T4D6-$N@_DjJQ99(B, $B;2>H$r9T$&(B.

   * SWITCH $B$N$_$N>l9g(B, $B$=$N%9%$%C%A$N8=:_$N>uBV$rJV$9(B.

   * OBJ $B$,M?$($i$l$F$$$k$H$-(B, $B$=$NCM$r@_Dj$9$k(B.

   * $B%9%$%C%A$OJ8;zNs$H$7$FF~NO$9$k(B. $B$9$J$o$A%@%V%k%/%)!<%H$G0O$`(B.

   * $B%9%$%C%A$O<!$NDL$j(B. $B0J2<$G(B, on $B$O(B 1, off $B$O(B 0 $B$r0UL#$9$k(B.
    `cputime'
          on $B$N;~(B CPU time $B$*$h$S(B GC time $B$rI=<((B, off $B$N;~(B $BI=<($7$J$$(B.
          `cputime()' $B$r;2>H(B.  `ctrl("cputime",ONOFF)' $B$O(B
          `cputime(ONOFF)' $B$HF1$8$G$"$k(B.

    `nez'
          EZGCD $B$N%"%k%4%j%:%`$N@ZBX$((B. $B%G%U%)%k%H$G(B 1 $B$G$"$j(B,
          $B$H$/$K@ZBX$($kI,MW(B $B$O$J$$(B.

    `echo'
          on $B$N;~$OI8=`F~NO$r7+$jJV$7$F=PNO$7(B, off
          $B$N;~$OI8=`F~NO$r7+$jJV$5$J$$(B.  `output'
          $B%3%^%s%I$rMQ$$$k:]$KM-8z$G$"$k(B.

    `bigfloat'
          on $B$N;~(B, $BF~NO$5$l$?IbF0>.?t$O(B bigfloat $B$KJQ49$5$l(B,
          $BIbF0>.?t1i;;$O(B PARI (*Note pari::) $B$K$h$j9T$o$l$k(B.
          $B%G%U%)%k%H$NM-8z7e?t$O(B 9 $B7e$G$"$k(B.
          $BM-8z7e?t$rA}$d$7$?$$;~$K$O(B `setprec()' $B$rMQ$$$k(B.  off $B$N;~(B,
          $BF~NO$5$l$?IbF0>.?t$O(B, $BG\@:EYIbF0>.?t$KJQ49$5$l$k(B.

    `adj'
          $B%,!<%Y%C%8%3%l%/%7%g%s$NIQEY$NJQ99(B. 1
          $B0J>e$NM-M}?t$,;XDj$G$-$k(B.  $B%G%U%)%k%HCM$O(B 3. 1 $B$K6a$$Dx(B,
          $B%,!<%Y%C%8%3%l%/%7%g%s$;$:$K%R!<%W$r(B $BBg$-$/$H$k$h$&$K$J$k(B.
          $B@0?tCM$O%3%^%s%I%i%$%s$G;XDj$G$-$k(B.  *Note
          $B%3%^%s%I%i%$%s%*%W%7%g%s(B::.

    `verbose'
          on $B$N;~(B, $BH!?t$N:FDj5A;~$K%a%C%;!<%8$rI=<($9$k(B.

    `hex'
          1 $B$N$H$-(B, $B@0?t$O(B 0x $B$G;O$^$k(B 16 $B?J?t$H$7$FI=<($5$l$k(B. -1
          $B$N$H$-(B, 16 $B?J?t$O(B, $B4V$K(B `|' $B$r$O$5$s$G(B 8
          $B7e$4$H$K6h@Z$C$FI=<($5$l$k(B.

    `fortran_output'
          1 $B$N$H$-(B, $BB?9`<0$NI=<($,(B FORTRAN $B%9%?%$%k$K$J$k(B. $B$9$J$o$AQQ$,(B
          `^' $B$NBe$o$j$K(B `**' $B$GI=$5$l$k(B.  ($B%G%U%)%k%HCM$O(B 0.)

    `ox_batch'
          1 $B$N$H$-(B, $BAw?.%P%C%U%!$,$$$C$Q$$$K$J$C$?;~$N$_<+F0E*$K(B flush.
          0 $B$N$H$-(B, $B%G!<%?(B, $B%3%^%s%IAw?.Kh$K(B flush. ($B%G%U%)%k%HCM$O(B 0.)
          *Note $BJ,;67W;;(B::

    `ox_check'
          1 $B$N$H$-(B,
          $BAw?.%G!<%?$rAj<j%W%m%;%9$,<u$1<h$l$k$+$I$&$+%A%'%C%/$9$k(B.  0
          $B$N$H$-$7$J$$(B. ($B%G%U%)%k%HCM$O(B 1.)  *Note $BJ,;67W;;(B::

    `ox_exchange_mathcap'
          1 $B$N$H$-(B, OX server $B$H$N@\B33+;O;~$K(B, $B<+F0E*$K(B mathcap
          $B$N8r49$r9T$&(B.  ($B%G%U%)%k%HCM$O(B 1.)  *Note $BJ,;67W;;(B::

$B;2>H(B
     *Note `cputime tstart tstop': cputime tstart tstop, *Note
     `output': output, *Note `pari': pari, *Note `setprec': setprec,
     *Note `eval deval': eval deval.

