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Annotation of OpenXM/src/asir-doc/parts/builtin/misc.texi, Revision 1.24

1.24    ! takayama    1: @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/misc.texi,v 1.23 2017/09/07 05:56:32 takayama Exp $
1.3       noro        2: \BJP
1.1       noro        3: @node $B$=$NB>(B,,, $BAH$_9~$_H!?t(B
                      4: @section $B$=$NB>(B
1.3       noro        5: \E
                      6: \BEG
                      7: @node Miscellaneouses,,, Built-in Function
                      8: @section Miscellaneouses
                      9: \E
1.1       noro       10:
                     11: @menu
                     12: * ctrl::
                     13: * debug::
                     14: * error::
                     15: * help::
                     16: * time::
                     17: * cputime tstart tstop::
1.8       noro       18: * timer::
1.17      ohara      19: * currenttime::
                     20: * sleep::
1.1       noro       21: * heap::
                     22: * version::
                     23: * shell::
                     24: * map::
                     25: * flist::
                     26: * delete_history::
                     27: * get_rootdir::
1.2       noro       28: * getopt::
1.3       noro       29: * getenv::
1.1       noro       30: @end menu
                     31:
1.3       noro       32: \JP @node ctrl,,, $B$=$NB>(B
                     33: \EG @node ctrl,,, Miscellaneouses
1.1       noro       34: @subsection @code{ctrl}
                     35: @findex ctrl
                     36:
                     37: @table @t
                     38: @item ctrl("@var{switch}"[,@var{obj}])
1.3       noro       39: \JP :: $B4D6-@_Dj(B
                     40: \EG :: Sets the value of @var{switch}.
1.1       noro       41: @end table
                     42:
                     43: @table @var
                     44: @item return
1.3       noro       45: \JP $B@_Dj$5$l$F$$$kCM(B
                     46: \EG value of @var{switch}
1.1       noro       47: @item switch
1.3       noro       48: \JP $B%9%$%C%AL>(B
                     49: \EG switch name
1.1       noro       50: @item obj
1.3       noro       51: \JP $B%Q%i%a%?(B
                     52: \EG parameter
1.1       noro       53: @end table
                     54:
                     55: @itemize @bullet
1.3       noro       56: \BJP
1.1       noro       57: @item
                     58: @b{Asir} $B$N<B9T4D6-$N@_DjJQ99(B, $B;2>H$r9T$&(B.
                     59: @item @var{switch} $B$N$_$N>l9g(B, $B$=$N%9%$%C%A$N8=:_$N>uBV$rJV$9(B.
                     60: @item @var{obj} $B$,M?$($i$l$F$$$k$H$-(B, $B$=$NCM$r@_Dj$9$k(B.
                     61: @item
                     62: $B%9%$%C%A$OJ8;zNs$H$7$FF~NO$9$k(B. $B$9$J$o$A%@%V%k%/%)!<%H$G0O$`(B.
                     63: @item
1.3       noro       64: $B%9%$%C%A$O<!$NDL$j(B. $B0J2<$G(B, on $B$O(B 1, off $B$O(B 0 $B$r0UL#$9$k(B.
1.1       noro       65: @table @code
                     66: @item cputime
                     67: on $B$N;~(B CPU time $B$*$h$S(B GC time $B$rI=<((B, off $B$N;~(B $BI=<($7$J$$(B. @code{cputime()}
                     68: $B$r;2>H(B.
                     69: @code{ctrl("cputime",@var{onoff})} $B$O(B @code{cputime(@var{onoff})} $B$HF1$8$G$"$k(B.
                     70: @item nez
                     71: EZGCD $B$N%"%k%4%j%:%`$N@ZBX$((B. $B%G%U%)%k%H$G(B 1 $B$G$"$j(B, $B$H$/$K@ZBX$($kI,MW(B
                     72: $B$O$J$$(B.
                     73: @item echo
                     74: on $B$N;~$OI8=`F~NO$r7+$jJV$7$F=PNO$7(B, off $B$N;~$OI8=`F~NO$r7+$jJV$5$J$$(B.
                     75: @code{output} $B%3%^%s%I$rMQ$$$k:]$KM-8z$G$"$k(B.
                     76: @item bigfloat
                     77: on $B$N;~(B, $BF~NO$5$l$?IbF0>.?t$O(B @b{bigfloat} $B$KJQ49$5$l(B, $BIbF0>.?t1i;;$O(B
1.10      noro       78: @b{PARI} (@ref{pari}) $B$K$h$j9T$o$l$k(B. $B%G%U%)%k%H$NM-8z7e?t$O(B 9 $B7e$G$"$k(B.
1.1       noro       79: $BM-8z7e?t$rA}$d$7$?$$;~$K$O(B @code{setprec()} $B$rMQ$$$k(B.
                     80: off $B$N;~(B, $BF~NO$5$l$?IbF0>.?t$O(B, $BG\@:EYIbF0>.?t$KJQ49$5$l$k(B.
                     81: @cindex PARI
                     82: @item adj
                     83: $B%,!<%Y%C%8%3%l%/%7%g%s$NIQEY$NJQ99(B. 1 $B0J>e$NM-M}?t$,;XDj$G$-$k(B.
                     84: $B%G%U%)%k%HCM$O(B 3. 1 $B$K6a$$Dx(B, $B%,!<%Y%C%8%3%l%/%7%g%s$;$:$K%R!<%W$r(B
                     85: $BBg$-$/$H$k$h$&$K$J$k(B. $B@0?tCM$O%3%^%s%I%i%$%s$G;XDj$G$-$k(B.
                     86: @xref{$B%3%^%s%I%i%$%s%*%W%7%g%s(B}.
                     87: @item verbose
                     88: on $B$N;~(B, $BH!?t$N:FDj5A;~$K%a%C%;!<%8$rI=<($9$k(B.
1.14      ohara      89: @item quiet_mode
1.15      takayama   90: 1 $B$N$H$-(B, $B5/F0;~$KCx:n8"I=<($r9T$o$J$$(B.
                     91: @xref{$B%3%^%s%I%i%$%s%*%W%7%g%s(B}.
                     92: @item prompt
                     93: 0 $B$N$H$-%W%m%s%W%H$rI=<($7$J$$(B. 1 $B$N$H$-I8=`%W%m%s%W%H$rI=<((B.
                     94: C $B%9%?%$%k$N%U%)%^%C%HJ8;zNs$r$b$A$$$k$H%f!<%6Dj5A$N%W%m%s%W%H(B.
                     95: $BNc(B(asirgui $B$G$OIT2D(B):
1.16      ohara      96: @code{ ctrl("prompt","\033[32m[%d]:= \033[0m")}
1.1       noro       97: @item hex
                     98: 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,
                     99: $B4V$K(B @samp{|} $B$r$O$5$s$G(B 8 $B7e$4$H$K6h@Z$C$FI=<($5$l$k(B.
1.13      noro      100: @item real_digit
                    101: $BG\@:EYIbF0>.?t$NI=<($N7e?t$r;XDj$9$k(B.
                    102: @item double_output
                    103: 1 $B$N$H$-(B, $BG\@:EYIbF0>.?t$O$D$M$K(B ddd.ddd $B$N7A$GI=<($5$l$k(B.
1.6       noro      104: @item fortran_output
                    105: 1 $B$N$H$-(B, $BB?9`<0$NI=<($,(B FORTRAN $B%9%?%$%k$K$J$k(B. $B$9$J$o$AQQ$,(B
                    106: @samp{^} $B$NBe$o$j$K(B @samp{**} $B$GI=$5$l$k(B.
                    107: ($B%G%U%)%k%HCM$O(B 0.)
1.1       noro      108: @item ox_batch
                    109: 1 $B$N$H$-(B, $BAw?.%P%C%U%!$,$$$C$Q$$$K$J$C$?;~$N$_<+F0E*$K(B flush.
                    110: 0 $B$N$H$-(B, $B%G!<%?(B, $B%3%^%s%IAw?.Kh$K(B flush. ($B%G%U%)%k%HCM$O(B 0.)
1.10      noro      111: @xref{$BJ,;67W;;(B}.
1.1       noro      112: @item ox_check
                    113: 1 $B$N$H$-(B, $BAw?.%G!<%?$rAj<j%W%m%;%9$,<u$1<h$l$k$+$I$&$+%A%'%C%/$9$k(B.
                    114: 0 $B$N$H$-$7$J$$(B. ($B%G%U%)%k%HCM$O(B 1.)
1.10      noro      115: @xref{$BJ,;67W;;(B}.
1.5       noro      116: @item ox_exchange_mathcap
                    117: 1 $B$N$H$-(B, OX server $B$H$N@\B33+;O;~$K(B, $B<+F0E*$K(B mathcap $B$N8r49$r9T$&(B.
                    118: ($B%G%U%)%k%HCM$O(B 1.)
1.10      noro      119: @xref{$BJ,;67W;;(B}.
1.20      takayama  120: @item debug_window
                    121: 1 $B$N;~(B debug_window $B$,%]%C%W%"%C%W$7$F3+$/(B.
                    122: ($B%G%U%)%k%HCM$O(B 0.)
                    123: @item fake_ox_reset
                    124: 1 $B$N$H$-(B, ox_reset $B$r<BAu$7$F$J$$%5!<%P!<$K$OBe$o$j$K(B ox_shutdown $B$rAw?.$9$k(B.
                    125: ox_reset $B$N<BAu$NM-L5$O(B mathcap $B$N(B optional argument ($BBh;M0z?t(B)
                    126: $B$KJ8;zNs(B no_ox_reset $B$,@_Dj$5$l$F$$$k$+$I$&$+$GH=CG$9$k(B.
                    127: ox_pari $B$rMxMQ$9$k$H$-$O$3$N%U%i%0$r(B1$B$K$7$F$*$/$3$H$,K>$^$7$$(B.
                    128: ($B%G%U%)%k%HCM$O(B 0.)
                    129: @xref{$BJ,;67W;;(B}.
1.23      takayama  130: @item plot_by_bigfloat
                    131: N $B$N$H$-(B, 10$B?J?t$G$N@:EY$r(B N $B7e$H$7$F(B, bigfloat $B$rMQ$$$F(B plot $B$r9T$&(B.
                    132: ($B%G%U%)%k%H$G$O(B double $B$rMQ$$$F(B plot $B$r9T$&(B.)
1.24    ! takayama  133: @item evalef
        !           134: 0 $B$N;~(B eval $B$N0z?t$,I>2A$5$l$?$H$-$=$l0J>eI>2A$G$-$J$/$J$C$?>l9g(B, $BITDj85%j%9%H$K(B
        !           135: $BEPO?$5$l$k(B. $B$?$H$($P(B eval(sin(0.1)) $B$H<B9T$9$k$H(B sin(0.1) $B$,$=$l0J>eI>2A$G$-$J$$$?$a(B
        !           136: $BITDj85%j%9%H$KEPO?$5$l$k(B.
        !           137: 1 $B$N;~$O(B, $BEPO?$5$l$J$$(B.
        !           138: $B=iEy4X?t$N?tCMI>2A$r7+$jJV$79T$&;~$O$3$N%*%W%7%g%s$r;HMQ$9$Y$-$G$"$k(B.
        !           139: ($B%G%U%)%k%HCM$O(B 0.)
        !           140: @xref{ord}
1.1       noro      141: @end table
1.3       noro      142: \E
                    143: \BEG
                    144: @item
                    145: This function is used to set or to get the values of switches.
                    146: The switches are used to control an execution of @b{Asir}.
                    147: @item If @var{obj} is not specified, the value of @var{switch} is returned.
                    148: @item If @var{obj} is specified, the value of @var{switch} is set to
                    149: @var{obj}.
                    150: @item
                    151: Switches are specified by strings, namely, enclosed by two
                    152: double quotes.
                    153: @item
                    154: Here are of switches of @b{Asir}.
                    155: @table @code
                    156: @item cputime
                    157: If `on', CPU time and GC time is displayed at every top level evaluation
                    158: of @b{Asir} command; if `off', not displayed.
                    159: @xref{cputime tstart tstop}.
                    160: (The switch is also set by command @code{cputime(1)}, and
                    161: reset by @code{cputime(0)}.)
                    162: @item nez
                    163: Selection for EZGCD algorithm.  It is set to 1 by default.  Ordinary
                    164: users need not change this setting.
                    165: @item echo
                    166: If `on', inputs from the standard input will be echoed onto the
                    167: standard output.  When executing to load a file, the contents of the
                    168: file will be written onto the standard output.
                    169: If `off', the inputs will not be echoed.
                    170: This command will be useful when used with command @code{output}.
                    171: @item bigfloat
                    172: If `on', floating operations will be done by @b{PARI} system with arbitrary
                    173: precision floating point operations.
                    174: Default precision is set to 9 digits.  To change the precision, use
1.21      noro      175: command @code{setbprec setprec}.
1.3       noro      176: If `off', floating operations will be done by @b{Asir}'s own floating
                    177: operation routines with a fixed precision operations of
                    178: standard floating double.
                    179: @cindex PARI
                    180: @item adj
                    181: Sets the frequency of garbage collection. A rational number greater
                    182: than or equal to 1 can be specified. The default value is 3.
                    183: If a value closer to 1 is specified, larger heap is allocated
                    184: and as a result, the frequency of garbage collection decreases.
                    185: @xref{Command line options}.
                    186: @item verbose
                    187: If `on' a warning messages is displayed when a function is redefined.
1.14      ohara     188: @item quiet_mode
                    189: If 1 is set, the copyright notice has been displayed at boot time.
1.15      takayama  190: @item prompt
                    191: If the value is 0, then prompt is not output.
                    192: If the value is 1, then the standard prompt is output.
                    193: Asir prompt can be customized by giving a C-style format string.
                    194: Example (for unix asir);
1.16      ohara     195: @code{ ctrl("prompt","\033[32m[%d]:= \033[0m")}
                    196:
1.3       noro      197: @item hex
                    198: If 1 is set, integers are displayed as hexadecimal numbers with prefix
1.13      noro      199: @code{0x}. if -1 is set, hexadecimal numbers are displayed with
1.3       noro      200: @samp{|} inserted at every 8 hexadecimal digits.
1.13      noro      201: @item real_digit
                    202: Sets the number of digits used to print a floating double.
                    203: @item double_output
                    204: If set to 1, any floating double is printed in the style ddd.ddd.
1.6       noro      205: @item fortran_output
                    206: If `on' polynomials are displayed in FORTRAN style. That is, a power
                    207: is represented by @samp{**} instead of @samp{^}.
                    208: The default value is 'off.
1.3       noro      209: @item ox_batch
                    210: If 'on', the OpenXM send buffer is flushed only when the buffer is full.
                    211: If 'off', the buffer is always flushed at each sending of data or command.
                    212: The default value is 'off'.
1.10      noro      213: @xref{Distributed computation}.
1.3       noro      214: @item ox_check
                    215: If 'on' the check by mathcap is done before sending data.
1.5       noro      216: The default value is 'on'.
1.10      noro      217: @xref{Distributed computation}.
1.5       noro      218: @item ox_exchange_mathcap
                    219: If 'on' Asir forces the exchange of mathcaps at the communication startup.
1.3       noro      220: The default value is 'on'.
1.10      noro      221: @xref{Distributed computation}.
1.20      takayama  222: @item debug_window
                    223: When 1, a debug window pops up.
                    224: (The default value is 0.)
                    225: @item fake_ox_reset
                    226: When 1, the function ox_reset sends ox_shutdown insread of ox_reset
                    227: to servers which do not implement ox_reset protocol.
                    228: It is checked by the optional argument (the fourth argument)
                    229: containing the string "no_ox_reset"
                    230: of mathcap if ox_reset is implemented or not.
                    231: When you use ox_pari, it is recommended to set this flag 1.
                    232: (The default value is 0.)
                    233: @xref{Distributed computation}.
1.23      takayama  234: @item plot_by_bigfloat
                    235: If its value N is not equal to zero, then plotting is done by bigfloat.
                    236: (The double numbers are used as the default.)
1.24    ! takayama  237: @item evalef
        !           238: When it is set to 0, the arguments of eval are registered to the list of
        !           239: indeterminants when arguments are no longer to be simplified.
        !           240: For example, when this flag is 0, sin(0.1) is registered to the list of
        !           241: indeterminants when eval(sin(0.1)) is evaluated.
        !           242: When it is set to 1, arguments are numerically evaluated.
        !           243: It is recommended to turn on this option, when you repeat to evaluate elementary functions numerically.
        !           244: (The default value is 0.)
        !           245: @xref{ord}
1.3       noro      246: @end table
                    247: \E
1.1       noro      248: @end itemize
                    249:
                    250: @table @t
1.3       noro      251: \JP @item $B;2>H(B
                    252: \EG @item References
1.1       noro      253: @fref{cputime tstart tstop}, @fref{output},
1.21      noro      254: @fref{pari}, @fref{setbprec setprec}, @fref{eval deval}.
1.1       noro      255: @end table
                    256:
1.23      takayama  257: @noindent
                    258: ChangeLog
                    259: @itemize @bullet
                    260: \BEG
                    261: @item plot_by_bigfloat switch is added on 2017.09.04. The following files are changed.
                    262: \E
                    263: \BJP
                    264: @item plot_by_bigfloat $B%9%$%C%A$O(B 2017.09.04 $B$K2C$($i$l$?(B. $BJQ99$r<u$1$?%U%!%$%k$O2<5-$N$H$*$j(B.
                    265: \E
                    266: @item 1.54 ctrl.c,
                    267:   1.14 bf.c,
                    268:   1.75 tcpf.c,
                    269:   1.13 calc.c,
                    270:   1.36 if.c,
                    271:   1.25 ifplot.h,
                    272:   1.33 plotf.c
                    273: @end itemize
                    274:
1.3       noro      275: \JP @node debug,,, $B$=$NB>(B
                    276: \EG @node debug,,, Miscellaneouses
1.1       noro      277: @subsection @code{debug}
                    278: @findex debug
                    279:
                    280: @table @t
                    281: @item debug
1.3       noro      282: \JP :: $B%G%P%C%0%b!<%I$KF~$k(B.
                    283: \EG :: Forces to enter into debugging mode.
1.1       noro      284: @end table
                    285:
                    286: @itemize @bullet
1.3       noro      287: \BJP
1.1       noro      288: @item
                    289: @code{debug} $B$OL50z?t$NH!?t$G$"$k$,(B, @samp{()} $B$J$7$G8F$S=P$;$k(B.
                    290: @item
                    291: $B%G%P%C%0%b!<%I$KF~$k$H%W%m%s%W%H$,(B @code{(debug)} $B$H$J$j(B, $B%3%^%s%I(B
                    292: $B<u$1IU$1>uBV$H$J$k(B. @code{quit} $B$rF~NO$9$k$H%G%P%C%,$+$iH4$1$k(B.
                    293: @item
                    294: $B%G%P%C%0%b!<%I$K$D$$$F$N>\:Y$O(B @xref{$B%G%P%C%,(B}.
1.3       noro      295: \E
                    296: \BEG
                    297: Function @code{debug} is a function with no argument.
                    298: It can be called without @samp{()}.
                    299: @item
                    300: In the debug-mode, you are prompted by @code{(debug)} and
                    301: the debugger is ready for commands.
                    302: Typing in @code{quit} (Note! without a semicolon.) brings you
                    303: to exit the debug-mode.
                    304: @item
1.10      noro      305: See @ref{Debugger} for details.
1.3       noro      306: \E
1.1       noro      307: @end itemize
                    308:
                    309: @example
                    310: [1] debug;
                    311: (debug) quit
                    312: 0
                    313: [2]
                    314: @end example
                    315:
1.3       noro      316: \JP @node error,,, $B$=$NB>(B
                    317: \EG @node error,,, Miscellaneouses
1.1       noro      318: @subsection @code{error}
                    319: @findex error
                    320:
                    321: @table @t
                    322: @item error(@var{message})
1.3       noro      323: \JP :: $B%W%m%0%i%`Cf$G6/@)E*$K%(%i!<$rH/@8$5$;$k(B.
                    324: \EG :: Forces @b{Asir} to cause an error and enter debugging mode.
1.1       noro      325: @end table
                    326:
                    327: @table @var
                    328: @item message
1.3       noro      329: \JP $BJ8;zNs(B
                    330: \EG string
1.1       noro      331: @end table
                    332:
                    333: @itemize @bullet
1.3       noro      334: \BJP
1.1       noro      335: @item
                    336: $B0lHL$K(B, $B0z?t$N4V0c$$$J$I(B, $BB39TIT2DG=$J%(%i!<$,AH$_9~$_H!?t$K$*$$$F(B
                    337: $BH/@8$7$?;~(B, $B%H%C%W%l%Y%k$KLa$kA0$K(B, $B2DG=$J$i$P$=$N%(%i!<$N;~E@$G(B
                    338: $B%G%P%C%0%b!<%I$KF~$k(B. @code{error()} $B$O(B, $B%f!<%6H!?t$NFbIt$G$3$N(B
                    339: $BF0:n$HF1MM$NF0:n$r9T$o$;$k$?$a$NH!?t$G$"$k(B.
                    340: @item
                    341: $B0z?t$O(B, @code{error()} $B$,8F$S=P$5$l$k:]$KI=<($5$l$k%a%C%;!<%8$G(B,
                    342: $BJ8;zNs$G$"$k(B.
                    343: @item
                    344: $B%f!<%6H!?t$K$*$$$F(B, $BJQ?t$r%A%'%C%/$7$F(B, $B$"$jF@$J$$CM$N>l9g$K(B @code{error()}
                    345: $B$r8F$S=P$9$h$&$K$7$F$*$1$P(B, $B$=$N;~E@$G<+F0E*$K%G%P%C%0%b!<%I$KF~$l$k(B.
1.3       noro      346: \E
                    347: \BEG
                    348: @item
                    349: When @b{Asir} encounters a serious error such that it finds difficult
                    350: to continue execution,
                    351: it, in general, tries to enter debugging mode before it returns to
                    352: top level.
                    353: The command @code{error()} forces a similar behavior in a user program.
                    354: @item
                    355: The argument is a string which will be displayed when @code{error()}
                    356: will be executed.
                    357: @item
                    358: You can enter the debug-mode when your program encounters an illegal
                    359: value for a program variable, if you have written the program
                    360: so as to call @code{error()} upon finding such an error in your program
                    361: text.
                    362: \E
1.1       noro      363: @end itemize
                    364:
                    365: @example
                    366: % cat mod3
                    367: def mod3(A) @{
                    368:         if ( type(A) >= 2 )
                    369:                 error("invalid argument");
                    370:         else
                    371:                 return A % 3;
                    372: @}
                    373: end$
                    374: % asir
                    375: [0] load("mod3");
                    376: 1
                    377: [3] mod3(5);
                    378: 2
                    379: [4] mod3(x);
                    380: invalid argument
                    381: stopped in mod3 at line 3 in file "./mod3"
                    382: 3                       error("invalid argument");
                    383: (debug) print A
                    384: A = x
                    385: (debug) quit
                    386: return to toplevel
                    387: [4]
                    388: @end example
                    389:
                    390: @table @t
1.3       noro      391: \JP @item $B;2>H(B
                    392: \EG @item References
1.1       noro      393: @fref{debug}.
                    394: @end table
                    395:
1.3       noro      396: \JP @node help,,, $B$=$NB>(B
                    397: \EG @node help,,, Miscellaneouses
1.1       noro      398: @subsection @code{help}
                    399: @findex help
                    400:
                    401: @table @t
                    402: @item help(["@var{function}"])
1.3       noro      403: \JP :: $BH!?t$N@bL@$rI=<($9$k(B.
                    404: \EG :: Displays the description of function @var{function}.
1.1       noro      405: @end table
                    406:
                    407: @table @var
                    408: @item return
                    409: 0
                    410: @item function
1.3       noro      411: \JP $BH!?tL>(B
                    412: \EG function name
1.1       noro      413: @end table
                    414:
                    415: @itemize @bullet
1.3       noro      416: \BJP
1.1       noro      417: @item
                    418: $BL50z?t$N;~(B, $B:G>.8B$N@bL@$,I=<($5$l$k(B. $BH!?tL>$,0z?t$H$7$FM?$($i$l$?(B
                    419: $B$H$-(B, $BI8=`%i%$%V%i%j%G%#%l%/%H%j$K$"$k(B @samp{help} $B$H$$$&%G%#%l%/%H%j(B
                    420: $B$KF1L>$N%U%!%$%k$,$"$l$P(B, $B4D6-JQ?t(B @code{PAGER} $B$K@_Dj$5$l$F$$$k%3%^%s%I(B,
                    421: $B$"$k$$$O(B @samp{more} $B$r8F$S=P$7$F$=$N%U%!%$%k$rI=<($9$k(B.
                    422: @item
1.4       noro      423: $B4D6-JQ?t(B @code{LANG} $B$,@_Dj$5$l$F$$$k>l9g(B, $B$=$NCM$,(B @code{"japan"} $B$^$?$O(B
1.19      ohara     424: @code{"ja_JP"} $B$G;O$^$k$J$i(B, @samp{help} $B$NBe$o$j$K(B @samp{help-ja}
                    425: $B$K$"$k%U%!%$%k$,I=<($5$l$k(B. $B$=$&$G$J$$>l9g(B, @samp{help-en}
1.4       noro      426: $B$K$"$k%U%!%$%k$,I=<($5$l$k(B.
                    427: @item
1.1       noro      428: Windows $BHG$G$O(B, $B%3%^%s%I%i%$%s$+$i$N%X%k%W8F$S=P$7$OL$%5%]!<%H$@$,(B,
                    429: $B%a%K%e!<$+$i(B HTML $B7A<0$N$b$N$r8F$S=P$7MQ$$$k$3$H$,$G$-$k(B.
1.3       noro      430: \E
                    431: \BEG
                    432: @item
                    433: If invoked without argument, it displays rough usage of @b{Asir}.
                    434: @item
                    435: If a function name is given and if there exists a file with the
                    436: same name in the directory @samp{help} under standard library directory,
                    437: the file is displayed by a command set to the environmental variable
                    438: @code{PAGER} or else command @samp{more}.
1.4       noro      439: @item
                    440: If the @code{LANG} environment variable is set and its value
                    441: begins with @code{"japan"} or @code{"ja_JP"}, then the file in
1.19      ohara     442: @samp{help-ja} is displayed. If its value does not begin with
                    443: @code{"japan"} or @code{"ja_JP"}, then the file in @samp{help-en}
1.4       noro      444: is displayed.
1.3       noro      445: @item
                    446: On Windows HTML-style help is available from the menu.
                    447: \E
1.1       noro      448: @end itemize
                    449:
1.3       noro      450: \JP @node time,,, $B$=$NB>(B
                    451: \EG @node time,,, Miscellaneouses
1.1       noro      452: @subsection @code{time}
                    453: @findex time
                    454:
                    455: @table @t
                    456: @item time()
1.3       noro      457: \JP :: $B%;%C%7%g%s3+;O$+$i8=:_$^$G$N(B CPU $B;~4V$*$h$S(B GC $B;~4V$rI=<($9$k(B
                    458: \BEG
                    459: :: Returns a four element list consisting of
                    460: total CPU time, GC time, the elapsed time
                    461: and also total memory quantities requested
                    462: from the start of current @b{Asir} session.
                    463: \E
1.1       noro      464: @end table
                    465:
                    466: @table @var
                    467: @item return
1.3       noro      468: \JP $B%j%9%H(B
                    469: \EG list
1.1       noro      470: @end table
                    471:
                    472: @itemize @bullet
1.3       noro      473: \BJP
1.1       noro      474: @item
                    475: CPU $B;~4V$*$h$S(B GC $B;~4V$NI=<($K4X$9$k%3%^%s%I$G$"$k(B.
                    476: @item
                    477: GC $B;~4V$H$O(B, $B%,!<%Y%8%3%l%/%?$K$h$j>CHq$5$l$?$H8+$J$5$l$k;~4V(B,
                    478: CPU $B;~4V$O(B, $BA4BN$N(B CPU $B;~4V$+$i(B GC $B;~4V$r0z$$$?;D$j$G(B, $BC10L$OIC$G$"$k(B.
                    479: @item
                    480: @code{time()} $B$O0z?t$J$7$G(B, $B%;%C%7%g%s3+;O$+$i8=:_$^$G$N(B CPU $B;~4V(B,
                    481: GC $B;~4V(B, $B8=:_$^$G$KMW5a$5$l$?%a%b%j$N$N$YMFNL(B, $B$*$h$S%;%C%7%g%s3+;O$+$i(B
                    482: $B8=:_$^$G$N7P2a;~4V$NI=<($r$9$k(B.
                    483: $B$9$J$o$A(B, @code{[CPU $B;~4V(B ($BIC(B), GC $B;~4V(B ($BIC(B), $B%a%b%jNL(B ($B%o!<%I(B), $B7P2a;~4V(B ($BIC(B)]}
                    484: $B$J$k%j%9%H$rJV$9(B. 1 $B%o!<%I$ODL>o(B 4 $B%P%$%H$G$"$k(B.
                    485: @item
                    486: $B7W;;$N<B9T3+;O;~(B, $B=*N;;~$N(B @code{time()} $B$+$i(B, $B$=$N7W;;$KBP$9$k(B
                    487: CPU $B;~4V(B, GC $B;~4V$,$o$+$k(B.
                    488: @item
                    489: $B%a%b%jNL$OB?G\D9?t$G$O$J$$$?$a(B, $B$"$kCM$r1[$($k$HL50UL#$JCM$H$J$k$?$a(B
                    490: $B$"$/$^$G$bL\0B$H$7$FMQ$$$k$Y$-$G$"$k(B.
                    491: @item
                    492: @code{ctrl()} $B$d(B @code{cputime()} $B$K$h$j(B @code{cputime} $B%9%$%C%A$,(B
                    493: on $B$K$J$C$F$$$k>l9g$K$O(B, $B%H%C%W%l%Y%k$NJ8$r0l$D$NC10L$H$7$F(B,
                    494: $B$=$N<B9T;~4V$,I=<($5$l$k(B. $B$7$+$7(B, $B%W%m%0%i%`$NFbIt$J$I$G(B, $BFCDj$N(B
                    495: $B7W;;$KBP$9$k7W;;;~4V$rCN$j$?$$;~$K$O(B, @code{time()} $B$J$I$r;H$&(B
                    496: $BI,MW$,$"$k(B.
                    497: @item
                    498: @code{getrusage()} $B$,;H$($k(B UNIX $B>e$G$O(B @code{time()} $B$O?.Mj@-$N$"$kCM(B
                    499: $B$rJV$9$,(B, Windows 95, 98 $B>e$G$O;~9o$rMQ$$$k$[$+J}K!$,$J$$$?$a7P2a;~4V$=$N$b$N(B
                    500: $B$,I=<($5$l$k(B. $B$h$C$F(B, $BBT$A>uBV$,$"$k$H(B, $B$=$l$b7P2a;~4V$K2C;;$5$l$k(B.
1.3       noro      501: \E
                    502: \BEG
                    503: @item
                    504: These are commands regarding CPU time and GC time.
                    505: @item
                    506: The GC time is the time regarded to spent by the garbage collector,
                    507: and the CPU time is the time defined by subtracting the GC time from
                    508: the total time consumed by command @b{Asir}.  Their unit is `second.'
                    509: @item
                    510: Command @code{time()} returns total CPU time and GC time measured
                    511: from the start of current @b{Asir} session. It also returns the elapsed
                    512: time. Time unit is `second.'
                    513: Moreover, it returns total memory quantities in words
                    514: (usually 4 bytes) which are requested
                    515: to the memory manager from the beginning of the current session.
                    516: The return value is a list and the format is @code{[CPU time, GC time,
                    517: Memory, Elapsed time]}.
                    518: @item
                    519: You can find the CPU time and GC time for some computation by taking
                    520: the difference of the figure reported by @code{time()} at the beginning
                    521: and the ending of the computation.
                    522: @item
                    523: Since arbitrary precision integers are NOT used for counting
                    524: the total amount of memory request, the number will eventually happen
                    525: to become meaningless due to integer overflow.
                    526: @item
                    527: When @code{cputime} switch is active by @code{ctrl()} or by
                    528: @code{cputime()}, the execution time will be displayed after every
                    529: evaluation of top level statement.
                    530: In a program, however, in order to know the execution time for a
                    531: sequence of computations, you have to use @code{time()} command, for
                    532: an example.
                    533: @item
                    534: On UNIX, if @code{getrusage()} is available, @code{time()} reports
                    535: reliable figures. On Windows NT it also gives reliable CPU time.
                    536: However, on Windows 95/98, the reported time is nothing but
                    537: the elapsed time of the real world.
                    538: Therefore, the time elapsed in the debug-mode and the time of waiting
                    539: for a reply to interruption prompting are added to the elapsed time.
                    540: \E
1.1       noro      541: @end itemize
                    542:
                    543: @example
                    544: [72] T0=time();
                    545: [2.390885,0.484358,46560,9.157768]
                    546: [73] G=hgr(katsura(4),[u4,u3,u2,u1,u0],2)$
                    547: [74] T1=time();
                    548: [8.968048,7.705907,1514833,63.359717]
                    549: [75] ["CPU",T1[0]-T0[0],"GC",T1[1]-T0[1]];
                    550: [CPU,6.577163,GC,7.221549]
                    551: @end example
                    552:
                    553: @table @t
1.3       noro      554: \JP @item $B;2>H(B
                    555: \EG @item References
1.17      ohara     556: @fref{cputime tstart tstop}, @fref{currenttime}.
1.1       noro      557: @end table
                    558:
1.3       noro      559: \JP @node cputime tstart tstop,,, $B$=$NB>(B
                    560: \EG @node cputime tstart tstop,,, Miscellaneouses
1.1       noro      561: @subsection @code{cputime}, @code{tstart}, @code{tstop}
                    562: @findex cputime
                    563: @findex tstart
                    564: @findex tstop
                    565:
                    566: @table @t
                    567: @item cputime(@var{onoff})
1.3       noro      568: \JP :: $B0z?t$,(B 0 $B$J$i$P(B @code{cputime} $B$NI=<($r;_$a$k(B. $B$=$l0J30$J$i$PI=<($r9T$&(B.
                    569: \BEG
                    570: :: Stop displaying @code{cputime} if its argument is 0, otherwise
                    571: start displaying @code{cputime} after every top level evaluation of
                    572: Asir command.
                    573: \E
1.1       noro      574: @item tstart()
1.3       noro      575: \JP :: CPU time $B7WB,3+;O(B.
                    576: \EG :: Resets and starts timer for CPU time and GC time.
1.1       noro      577: @item tstop()
1.3       noro      578: \JP :: CPU time $B7WB,=*N;$*$h$SI=<((B.
                    579: \BEG
                    580: :: Stops timer and then displays CPU time GC time elapsed from the
                    581: last time when timer was started.
                    582: \E
1.1       noro      583: @end table
                    584:
                    585: @table @var
                    586: @item return
                    587: 0
                    588: @item onoff
1.3       noro      589: \JP $B%U%i%0(B ($BG$0U(B)
                    590: \EG flag (arbitrary)
1.1       noro      591: @end table
                    592:
                    593: @itemize @bullet
1.3       noro      594: \BJP
1.1       noro      595: @item
                    596: @code{cputime()} $B$O(B, $B0z?t$,(B 0 $B$J$i$P(B CPU time $B$NI=<($r;_$a$k(B. $B$=$l0J30$J$i$PI=<($r9T$&(B.
                    597: @item
                    598: @code{tsart} $B$O0z?t$J$7(B, @samp{()} $B$J$7$G(B, CPU time $B7WB,$r3+;O$9$k(B.
                    599: @item
                    600: @code{tstop} $B$O0z?t$J$7(B, @samp{()} $B$J$7$G(B, CPU time $B7WB,$r=*N;(B,
                    601: $B$*$h$SI=<($9$k(B.
                    602: @item
                    603: @code{cputime(@var{onoff})} $B$O(B @code{ctrl("cputime",@var{onoff})} $B$HF1$8$G$"$k(B.
                    604: @item
                    605: @code{tstart}, @code{tstop} $B$O(B, $BF~$l;R$K$7$F;H$o$l$k$3$H$OA[Dj$7$F$$$J$$(B
                    606: $B$?$a(B, $B$=$N$h$&$J2DG=@-$,$"$k>l9g$K$O(B, @code{time()} $B$K$h$k7WB,$r9T$&(B
                    607: $BI,MW$,$"$k(B.
                    608: @item
                    609: @code{cputime()} $B$K$h$k(B on, off $B$O(B, $BC1$KI=<($N(B on, off $B$G$"$j(B, $B%H%C%W%l%Y%k(B
                    610: $B$N0l$D$NJ8$KBP$9$k7WB,$O>o$K9T$o$l$F$$$k(B. $B$h$C$F(B, $B7W;;$r;O$a$F$+$i$G$b(B,
                    611: $B7W;;=*N;A0$K%G%P%C%,$KF~$C$F(B @code{cputime(1)} $B$r<B9T$5$;$l$P7W;;;~4V$O(B
                    612: $BI=<($5$l$k(B.
1.3       noro      613: \E
                    614: \BEG
                    615: @item
                    616: Command @code{cputime()} with NON-ZERO argument enables @b{Asir} to display
                    617: CPU time and GC time after every evaluation of top level @b{Asir} command.
                    618: The command with argument 0 disables displaying them.
                    619: @item
                    620: Command @code{tstart()} starts measuring CPU time and GC time without
                    621: arguments.  The parentheses @samp{()} may be omitted.
                    622: @item
                    623: Command @code{tstop()} stops measuring CPU time and GC time and displays
                    624: them without arguments. The parentheses @samp{()} may be omitted.
                    625: @item
                    626: Command @code{cputime(@var{onoff})} has same meaning as
                    627: @code{ctrl("cputime",@var{onoff})}.
                    628: @item
                    629: Nested use of @code{tstart()} and @code{tstop()} is not expected.
                    630: If such an effect is desired, use @code{time()}.
                    631: @item
                    632: On and off states by @code{cputime()} have effects only to displaying
                    633: mode.  Time for evaluation of every top level statement is always
                    634: measured.
                    635: Therefore, even after a computation has already started,
                    636: you can let @b{Asir} display the timings, whenever you enter
                    637: the debug-mode and execute @code{cputime(1)}.
                    638: \E
1.1       noro      639: @end itemize
                    640:
                    641: @example
                    642: [49] tstart$
                    643: [50] fctr(x^10-y^10);
                    644: [[1,1],[x+y,1],[x^4-y*x^3+y^2*x^2-y^3*x+y^4,1],[x-y,1],
                    645: [x^4+y*x^3+y^2*x^2+y^3*x+y^4,1]]
                    646: [51] tstop$
                    647: 80msec + gc : 40msec
                    648: @end example
                    649:
                    650: @table @t
1.3       noro      651: \JP @item $B;2>H(B
                    652: \EG @item References
1.17      ohara     653: @fref{time}, @fref{currenttime}, @fref{ctrl}.
1.1       noro      654: @end table
1.8       noro      655:
                    656: \JP @node timer,,, $B$=$NB>(B
                    657: \EG @node timer,,, Miscellaneouses
                    658: @subsection @code{timer}
                    659: @findex timer
                    660:
                    661: @table @t
                    662: @item timer(@var{interval},@var{expr},@var{val})
                    663: \JP :: $B@)8B;~4V$D$-$G7W;;$r<B9T$9$k(B.
1.17      ohara     664: \EG :: Compute an expression under the interval timer.
1.8       noro      665: @end table
                    666:
                    667: @table @var
                    668: @item return
                    669: \JP $B7k2L(B
                    670: \EG result
                    671:
                    672: @item interval
                    673: \JP $B@)8B;~4V(B ($BIC(B)
                    674: \EG interval (second)
                    675:
                    676: @item expr
                    677: \JP $B7W;;$9$k<0(B
                    678: \EG expression to be computed
                    679:
                    680: @item val
                    681: \JP $B%?%$%^$K$h$kCfCG;~$NLa$jCM(B
                    682: \EG a value to be returned when the timer is expired
                    683: @end table
                    684:
                    685: @itemize @bullet
                    686:
                    687: \BJP
                    688: @item
                    689: @code{timer()} $B$O(B, $B;~4V$r;XDj$7$F7W;;$r<B9T$9$k(B. $B;XDj;~4VFb$K7W;;$,40N;(B
                    690: $B$7$?>l9g$=$NCM$rJV$9(B. $B;XDj;~4VFb$K7W;;$,40N;$7$J$+$C$?>l9g(B, $BBh(B 3 $B0z?t(B
                    691: $B$rJV$9(B.
                    692:
                    693: @item
                    694: $BBh(B 3 $B0z?t$NCM$O(B, $B7W;;$,40N;$7$?>l9g$NCM$H6hJL$G$-$kI,MW$,$"$k(B.
                    695: \E
                    696:
                    697: \BEG
                    698: @item
                    699: @code{timer()} computes an expression under the interval timer.
                    700: If the computation finishes within the specified interval, it
                    701: returns the result of the computation. Otherwise it returns the third
                    702: argument.
                    703:
                    704: @item
                    705: The third argument should be distinguishable from the result on success.
                    706: \E
                    707:
                    708: @end itemize
                    709:
                    710: @example
                    711: [0] load("cyclic");
                    712: 1
                    713: [10] timer(10,dp_gr_main(cyclic(7),[c0,c1,c2,c3,c4,c5,c6],1,1,0),0);
                    714: interval timer expired (VTALRM)
                    715: 0
                    716: [11]
                    717: @end example
1.1       noro      718:
1.17      ohara     719: \JP @node currenttime,,, $B$=$NB>(B
                    720: \EG @node currenttime,,, Miscellaneouses
                    721: @subsection @code{currenttime}
                    722: @findex currenttime
                    723:
                    724: @table @t
                    725: @item currenttime()
                    726: \JP :: $B8=:_;~9o$r<hF@(B
                    727: \EG :: Get current time.
                    728: @end table
                    729:
                    730: @table @var
                    731: @item return
                    732: \JP 1970$BG/(B1$B7n(B1$BF|(B0$B;~(B0$BJ,(B0$BIC$+$i$N7P2aIC?t(B.
                    733: \EG UNIX time.
                    734: @end table
                    735:
                    736: @itemize @bullet
                    737:
                    738: @item
                    739: \JP @code{currenttime()} $B$O8=:_;~9o$rJV$9(B.  UNIX $B$N>l9g(B, time(3) $B$r8F$s$G$$$k$@$1$G$"$k(B.
                    740: \EG See also time(3) in UNIX manuals.
                    741:
                    742: @end itemize
                    743:
                    744: @example
                    745: [0] currenttime();
                    746: 1071639228
                    747: [1]
                    748: @end example
                    749:
                    750: \JP @node sleep,,, $B$=$NB>(B
                    751: \EG @node sleep,,, Miscellaneouses
                    752: @subsection @code{sleep}
                    753: @findex sleep
                    754:
                    755: @table @t
                    756: @item sleep(@var{interval})
                    757: \JP :: $B%W%m%;%9$N<B9T$rDd;_(B
                    758: \EG :: Suspend computation for an interval.
                    759: @end table
                    760:
                    761: @table @var
                    762: @item return
                    763: 1
                    764:
                    765: @item interval
                    766: \JP $BDd;_;~4V(B ($B%^%$%/%mIC(B)
                    767: \EG interval (micro second)
                    768: @end table
                    769:
                    770: @itemize @bullet
                    771:
                    772: @item
                    773: \JP @code{sleep()} $B$O(B, $B%W%m%;%9$N<B9T$rDd;_$9$k(B.  UNIX $B$N>l9g(B, usleep $B$r8F$s$G$$$k$@$1$G$"$k(B.
                    774: \EG See also usleep(3) in UNIX manuals.
                    775:
                    776: @end itemize
                    777:
                    778: @example
                    779: [0] sleep(1000);
                    780: 1
                    781: [1]
                    782: @end example
                    783:
1.3       noro      784: \JP @node heap,,, $B$=$NB>(B
                    785: \EG @node heap,,, Miscellaneouses
1.1       noro      786: @subsection @code{heap}
                    787: @findex heap
                    788:
                    789: @table @t
                    790: @item heap()
1.3       noro      791: \JP :: $B8=:_$N%R!<%W$NBg$-$5$rJV$9(B. ($BC10L(B:$B%P%$%H(B)
                    792: \EG :: Heap area size currently in use.
1.1       noro      793: @end table
                    794:
                    795: @table @var
                    796: @item return
1.3       noro      797: \JP $B<+A3?t(B
                    798: \EG non-negative integer
1.1       noro      799: @end table
                    800:
                    801: @itemize @bullet
1.3       noro      802: \BJP
1.1       noro      803: @item
                    804: $B8=:_$N%R!<%W$NBg$-$5(B($BC10L(B : $B%P%$%H(B) $B$rJV$9(B. $B%R!<%W$H$O(B, @b{Asir} $B$N(B
                    805: $B$5$^$6$^$J?t<0$d(B, $B%f!<%6%W%m%0%i%`$J$I$,$*$+$l$k%a%b%j$NNN0h$G(B, $B%,!<%Y%8(B
                    806: $B%3%l%/%?$K$h$j4IM}$5$l$F$$$k(B. $B%W%m%0%i%`$NF0:nCf$O(B, $B%R!<%W$NBg$-$5$O(B
                    807: $BC1D4Hs8:>/$G$"$j(B, $B<B%a%b%j$NNL$r$3$($FBg$-$/$J$C$?>l9g$K$O(B, OS $B$K$h$k(B
                    808: $B%9%o%C%W%(%j%"$X$NFI$_=q$-$,$[$H$s$I$N7W;;;~4V$r@j$a$k$3$H$K$J$k(B.
                    809: @item
                    810: $B<B%a%b%j$,>/$J$$>l9g$K$O(B, $B5/F0;~$N(B @code{-adj} $B%*%W%7%g%s$K$h$j(B,
                    811: GC $B<gBN$N@_Dj$r9T$C$F$*$/I,MW$,$"$k(B.
1.3       noro      812: \E
                    813: \BEG
                    814: @item
                    815: Command @code{heap()} returns an integer which is the byte size
                    816: of current @b{Asir} heap area.
                    817:
                    818: Heap is a memory area where various data for expressions and
                    819: user programs of @b{Asir} and is managed by the garbage collector.
                    820: While @b{Asir} is running, size of the heap is monotonously
                    821: non-decreasing against the time elapsed.  If it happens to exceed the
                    822: real memory size, most (real world) time is consumed for swapping between
                    823: real memory and disk memory.
                    824: @item
                    825: For a platform with little real memory, it is recommended to set up
                    826: @b{Asir} configuration tuned for GC functions by @code{-adj} option
                    827: at the activation of @b{Asir}. (@xref{Command line options}.)
                    828: \E
1.1       noro      829: @end itemize
                    830:
                    831: @example
                    832: % asir -adj 16
                    833: [0] load("fctrdata")$
                    834: 0
                    835: [97] cputime(1)$
                    836: 0msec
                    837: [98] heap();
                    838: 524288
                    839: 0msec
                    840: [99] fctr(Wang[8])$
                    841: 3.190sec + gc : 3.420sec
                    842: [100] heap();
                    843: 1118208
                    844: 0msec
                    845: [101] quit;
                    846: % asir
                    847: [0] load("fctrdata")$
                    848: 0
                    849: [97] cputime(1)$
                    850: 0msec
                    851: [98] heap();
                    852: 827392
                    853: 0msec
                    854: [99] fctr(Wang[8])$
                    855: 3.000sec + gc : 1.180sec
                    856: [100] heap();
                    857: 1626112
                    858: 0msec
                    859: [101] quit;
                    860: @end example
                    861:
                    862: @table @t
1.3       noro      863: \JP @item $B;2>H(B
                    864: \EG @item References
                    865: \JP @fref{$B%3%^%s%I%i%$%s%*%W%7%g%s(B}.
                    866: \EG @fref{Command line options}.
1.1       noro      867: @end table
                    868:
1.3       noro      869: \JP @node version,,, $B$=$NB>(B
                    870: \EG @node version,,, Miscellaneouses
1.1       noro      871: @subsection @code{version}
                    872: @findex version
                    873:
                    874: @table @t
                    875: @item version()
1.3       noro      876: \JP :: @b{Asir} $B$N%P!<%8%g%s$rJV$9(B.
                    877: \EG :: Version identification number of  @b{Asir}.
1.1       noro      878: @end table
                    879:
                    880: @table @var
                    881: @item return
1.3       noro      882: \JP $B<+A3?t(B
                    883: \EG integer
1.1       noro      884: @end table
                    885:
                    886: @itemize @bullet
1.3       noro      887: \BJP
1.1       noro      888: @item
1.3       noro      889: @b{Asir} $B$N%P!<%8%g%s$r<+A3?t$GJV$9(B.
                    890: \E
                    891: \BEG
1.17      ohara     892: @item
                    893: Command @code{version()} returns the version identification number,
                    894: an integer of @b{Asir} in use.
1.3       noro      895: \E
1.1       noro      896: @end itemize
                    897:
                    898: @example
                    899: [0] version();
1.3       noro      900: 991214
1.1       noro      901: @end example
                    902:
1.3       noro      903: \JP @node shell,,, $B$=$NB>(B
                    904: \EG @node shell,,, Miscellaneouses
1.1       noro      905: @subsection @code{shell}
                    906: @findex shell
                    907:
                    908: @table @t
                    909: @item shell(@var{command})
1.3       noro      910: \JP :: @var{command} $B$r%7%'%k%3%^%s%I$H$7$F<B9T$9$k(B.
                    911: \EG :: Execute shell commands described by a string @var{command}.
1.1       noro      912: @end table
                    913:
                    914: @table @var
                    915: @item return
1.3       noro      916: \JP $B<+A3?t(B
                    917: \EG integer
1.1       noro      918: @item command
1.3       noro      919: \JP $BJ8;zNs(B
                    920: \EG string
1.1       noro      921: @end table
                    922:
                    923: @itemize @bullet
1.3       noro      924: \BJP
1.1       noro      925: @item
                    926: @var{command} $B$r(B C $B$N(B @code{system()} $BH!?t$K$h$j%7%'%k%3%^%s%I$H$7$F<B9T$9$k(B.
                    927: $B%7%'%k$N=*N;%9%F!<%?%9$rJV$9(B.
1.3       noro      928: \E
                    929: \BEG
                    930: Execute shell commands described by a string @var{command}
                    931: by a C function @code{system()}.  This returns the exit status of shell
                    932: as its return value.
                    933: \E
1.1       noro      934: @end itemize
                    935:
                    936: @example
                    937: [0] shell("ls");
1.12      noro      938: alg           da            katsura       ralg          suit
                    939: algt          defs.h        kimura        ratint        test
                    940: alpi          edet          kimura3       robot         texput.log
                    941: asir.o        fee           mfee          sasa          wang
                    942: asir_symtab   gr            mksym         shira         wang_data
                    943: base          gr.h          mp            snf1          wt
                    944: bgk           help          msubst        solve
                    945: chou          hom           p             sp
                    946: const         ifplot        proot         strum
                    947: cyclic        is            r             sugar
1.1       noro      948: 0
                    949: [1]
                    950: @end example
                    951:
1.3       noro      952: \JP @node map,,, $B$=$NB>(B
                    953: \EG @node map,,, Miscellaneouses
1.1       noro      954: @subsection @code{map}
                    955: @findex map
                    956:
                    957: @table @t
                    958: @item map(@var{function},@var{arg0},@var{arg1},...)
1.3       noro      959: \JP :: $B%j%9%H(B, $BG[Ns$N3FMWAG$KH!?t$rE,MQ$9$k(B.
                    960: \EG :: Applies a function to each member of a list or an array.
1.1       noro      961: @end table
                    962:
                    963: @table @var
                    964: @item return
1.3       noro      965: \JP @var{arg0} $B$HF1$87?$N%*%V%8%'%/%H(B
                    966: \EG an object of the same type as @var{arg0}.
1.1       noro      967: @item function
1.3       noro      968: \JP $BH!?tL>(B
                    969: \EG the name of a function
1.1       noro      970: @item arg0
1.3       noro      971: \JP $B%j%9%H(B, $B%Y%/%H%k(B, $B9TNs(B
                    972: \EG list, vector or matrix
1.11      noro      973: @item arg1  ...
1.3       noro      974: \JP $BG$0U(B ($B;D$j$N0z?t(B)
                    975: \EG arbitrary (the rest of arguments)
1.1       noro      976: @end table
                    977:
                    978: @itemize @bullet
1.3       noro      979: \BJP
1.1       noro      980: @item
                    981: @var{arg0} $B$N3FMWAG$r:G=i$N0z?t(B, @var{arg1} $B0J2<$N;D$j$N0z?t$H$7$F(B
                    982: $BH!?t(B @var{function} $B$r8F$S=P$7(B, @var{arg0} $B$NBP1~$9$kMWAG$N0LCV$K(B
                    983: $BH!?t8F$S=P$7$N7k2L$,F~$C$?F1$87?$N%*%V%8%'%/%H$r@8@.$7$FJV$9(B.
                    984: @item
                    985: @var{function} $B$O(B, $B%@%V%k%/%)!<%H$N$J$$H!?tL>$rMQ$$$k(B.
                    986: @item
                    987: @var{function} $B$K%W%m%0%i%`JQ?t$O;H$($J$$(B.
                    988: @item
                    989: @var{arg0} $B$,%j%9%H(B, $B%Y%/%H%k(B, $B9TNs0J30$N>l9g(B, $BC1$K(B @var{arg0},
                    990: @var{arg1}, ... $B$r0z?t$H$7$F(B @var{function} $B$r8F$S=P$7$=$N(B
                    991: $B7k2L$rJV$9(B.
1.17      ohara     992: @item
                    993: @code{map} $B$N0z?t(B @var{function} $B$GM?$($i$l$kH!?t$O(B, $BFbItE*$K$bH!?t$H(B
                    994: $B$7$F<BAu$5$l$F$$$J$1$l$P$J$i$J$$(B.  $B$=$&$G$J$1$l$P(B parse error $B$K$J$k(B.
1.18      ohara     995: $BNc$($P(B @code{map} $B<+?H$d(B @code{car}, @code{cdr} $B$J$I$OFbItE*$K$OH!?t$G(B
                    996: $B$O$J$/(B, Asir $B$NJ8K!$K$*$1$k%-!<%o!<%I$H$7$F<BAu$5$l$F$$$k(B.  $B$7$?$,$C$F(B
                    997: @code{map} $B$N0z?t$K(B @code{map} $B$r$H$k$3$H$O$G$-$J$$(B.
1.3       noro      998: \E
                    999: \BEG
                   1000: @item
                   1001: Returns an object of the same type as @var{arg0}. Each member of the
                   1002: returned object is the return value of a function call where the first
                   1003: argument is the member of @var{arg0} corresponding to the member in
                   1004: the returned object and the rest of the argument are @var{arg1},
                   1005: @dots{}.
                   1006: @item
                   1007: @var{function} is a function name itself without @samp{"}.
                   1008: @item
                   1009: A program variable cannot be used as @var{function}.
                   1010: @item
                   1011: If @var{arg0} is neither list nor array this function simply
                   1012: returns the value of @var{function}(@var{arg0},@var{arg1},@dots{}).
                   1013: \E
1.1       noro     1014: @end itemize
                   1015:
                   1016: @example
                   1017: [82] def afo(X) @{ return X^3; @}
                   1018: [83] map(afo,[1,2,3]);
                   1019: [1,8,27]
                   1020: @end example
                   1021:
1.3       noro     1022: \JP @node flist,,, $B$=$NB>(B
                   1023: \EG @node flist,,, Miscellaneouses
1.1       noro     1024: @subsection @code{flist}
                   1025: @findex flist
                   1026:
                   1027: @table @t
1.22      noro     1028: @item flist([mname])
1.3       noro     1029: \JP :: $B8=:_Dj5A$5$l$F$$$kH!?tL>$rJ8;zNs%j%9%H$H$7$FJV$9(B.
                   1030: \EG :: Returns the list of function names currently defined.
1.22      noro     1031: @item mname
                   1032: \JP $B%b%8%e!<%kL>(B
                   1033: \EG a module name
1.1       noro     1034: @end table
                   1035:
                   1036: @table @var
                   1037: @item return
1.3       noro     1038: \JP $BJ8;zNs$N%j%9%H(B
                   1039: \EG list of character strings
1.1       noro     1040: @end table
                   1041:
                   1042: @itemize @bullet
1.3       noro     1043: \BJP
1.1       noro     1044: @item
                   1045: $B8=:_Dj5A$5$l$F$$$kAH$_9~$_H!?t(B, $B%f!<%6Dj5AH!?t$NH!?tL>$rJ8;zNs%j%9%H(B
1.22      noro     1046: $B$H$7$FJV$9(B. $B%b%8%e!<%kL>$,;XDj$5$l$?>l9g(B, $B$=$N%b%8%e!<%k$GDj5A$5$l$F$$$k(B
                   1047: $B4X?tL>$N$_$rJV$9(B.
1.1       noro     1048: @item
                   1049: $B%7%9%F%`H!?t$N8e$K%f!<%6Dj5AH!?t$,B3$/(B.
1.3       noro     1050: \E
                   1051: \BEG
                   1052: @item
                   1053: Returns the list of names of built-in functions and user defined functions
                   1054: currently defined. The return value is a list of character strings.
1.22      noro     1055: If a module name is specified, only the names of functions defined in the module
                   1056: are returned.
1.3       noro     1057: @item
                   1058: The names of built-in functions are followed by those of user defined
                   1059: functions.
                   1060: \E
1.1       noro     1061: @end itemize
                   1062:
                   1063: @example
                   1064: [77] flist();
                   1065: [defpoly,newalg,mainalg,algtorat,rattoalg,getalg,alg,algv,...]
                   1066: @end example
                   1067:
1.3       noro     1068: \JP @node delete_history,,, $B$=$NB>(B
                   1069: \EG @node delete_history,,, Miscellaneouses
1.1       noro     1070: @subsection @code{delete_history}
                   1071: @findex delete_history
                   1072:
                   1073: @table @t
                   1074: @item delete_history([@var{index}])
1.3       noro     1075: \JP :: $B%R%9%H%j$r>C5n$9$k(B.
                   1076: \EG :: Deletes the history.
1.1       noro     1077: @end table
                   1078:
                   1079: @table @var
                   1080: @item return
                   1081: 0
                   1082: @item index
1.3       noro     1083: \JP $B>C5n$7$?$$%R%9%H%j$NHV9f(B
                   1084: \EG Index of history to be deleted.
1.1       noro     1085: @end table
                   1086:
                   1087: @itemize @bullet
1.3       noro     1088: \BJP
1.1       noro     1089: @item
                   1090: $B0z?t$,$J$$$H$-(B, $B$3$l$^$G7W;;$7$?%R%9%H%j$rA4$F>C5n$9$k(B.
                   1091: @item
                   1092: $B0z?t$,$"$k$H$-(B, $B$=$NHV9f$N7k2L$N$_>C5n$9$k(B.
                   1093: @item
                   1094: $B$3$3$G%R%9%H%j$H$O(B, $BHV9f$D$-$N%W%m%s%W%H$KBP$7$F$NF~NO$rI>2A$7$FF@$i$l$?<0(B
                   1095: $B$G(B, $B$3$N<0$O(B @code{@@@var{number}} $B$K$h$j<h$j=P$9$3$H$,$G$-$k(B. $B$3$N$3$H$O(B,
                   1096: $B%,!<%Y%C%8%3%l%/%7%g%s$N:]$K$b$3$N<0$,@8$-;D$k$3$H$r0UL#$9$k(B.
                   1097: @item
                   1098: $BBg$-$J<0$,%R%9%H%j$H$7$F;D$C$?>l9g(B, $B0J9_$N%a%b%j4IM}$K;Y>c$rMh$9>l9g$,B?$$(B
                   1099: $B$?$a(B, @code{bsave()} $B$J$I$G%U%!%$%k$K%;!<%V$7$F(B, @code{delete_history()}
                   1100: $B$K$h$j%R%9%H%j$r>C5n$7$F$*$/$N$,M-8z$G$"$k(B.
1.3       noro     1101: \E
                   1102: \BEG
                   1103: @item
                   1104: Deletes all the histories without an argument.
                   1105: @item
                   1106: Deletes the history with index @var{index} if specified.
                   1107: @item
                   1108: A history is an expression which has been obtained by evaluating an input
                   1109: given for a prompt with an index. It can be taken out by @code{@@@var{index}},
                   1110: which means that the expression survives garbage collections.
                   1111: @item
                   1112: A large history may do harm in the subsequent memory management and
                   1113: deleting the history by @code{delete_history()}, after saving it in a file
                   1114: by @code{bsave()}, is often effective.
                   1115: \E
1.1       noro     1116: @end itemize
                   1117:
                   1118: @example
                   1119: [0] (x+y+z)^100$
                   1120: [1] @@0;
                   1121: ...
                   1122: [2] delete_history(0);
                   1123: [3] @@0;
                   1124: 0
                   1125: @end example
                   1126:
1.3       noro     1127: \JP @node get_rootdir,,, $B$=$NB>(B
                   1128: \EG @node get_rootdir,,, Miscellaneouses
1.1       noro     1129: @subsection @code{get_rootdir}
                   1130: @findex get_rootdir
                   1131:
                   1132: @table @t
                   1133: @item get_rootdir()
1.3       noro     1134: \JP :: Asir $B$N%k!<%H%G%#%l%/%H%jL>$r<h$j=P$9(B
                   1135: \EG :: Gets the name of @b{Asir} root directory.
1.1       noro     1136: @end table
                   1137:
                   1138: @table @var
                   1139: @item return
1.3       noro     1140: \JP $BJ8;zNs(B
                   1141: \EG string
1.1       noro     1142: @end table
                   1143:
                   1144: @itemize @bullet
1.3       noro     1145: \BJP
1.1       noro     1146: @item
                   1147: UNIX $BHG$N>l9g(B, $B4D6-JQ?t(B @code{ASIR_LIBDIR} $B$,Dj5A$5$l$F$$$k>l9g$K$O$=$NCM(B, $B$5$l$F$$$J$$>l9g(B
                   1148: $B$K$O(B @samp{/usr/local/lib/asir} $B$rJV$9(B.
                   1149: @item
                   1150: Windows $BHG$N>l9g(B, @samp{asirgui.exe} $B$N$"$k%G%#%l%/%H%j(B (@samp{bin} $B$H$$$&L>A0$N$O$:$G$"$k(B)
                   1151: $B$N?F%G%#%l%/%H%j$,JV$5$l$k(B.
                   1152: @item
                   1153: $B$3$N4X?t$,JV$9%G%#%l%/%H%jL>$r4p=`$H$7$?AjBP%Q%9L>$r;XDj$9$k$3$H$K$h$j(B, $B%$%s%9%H!<%k(B
                   1154: $B$5$l$?>l=j$K$h$i$J$$%U%!%$%kFI$_9~$_%W%m%0%i%`$r=q$/$3$H$,$G$-$k(B.
1.3       noro     1155: \E
                   1156: \BEG
                   1157: @item
                   1158: On UNIX it returns the value of an environment variable @code{ASIR_LIBDIR}
                   1159: or @samp{/usr/local/lib/asir} if @code{ASIR_LIBDIR} is not set.
                   1160: @item
                   1161: On Windows the name of @b{Asir} root directory is returned.
                   1162: @item
                   1163: By using relative path names from the value of this function,
                   1164: one can write programs which contain file operations independent
                   1165: of the install directory.
                   1166: \E
1.1       noro     1167: @end itemize
1.2       noro     1168:
                   1169:
1.3       noro     1170: \JP @node getopt,,, $B$=$NB>(B
                   1171: \EG @node getopt,,, Miscellaneouses
1.2       noro     1172: @subsection @code{getopt}
                   1173: @findex getopt
                   1174:
                   1175: @table @t
1.9       noro     1176: @item getopt([@var{key}])
1.3       noro     1177: \JP :: $B%*%W%7%g%s$NCM$rJV$9(B.
                   1178: \EG :: Returns the value of an option.
1.2       noro     1179: @end table
                   1180:
                   1181: @table @var
                   1182: @item return
1.3       noro     1183: \JP $B%*%V%8%'%/%H(B
                   1184: \EG object
1.2       noro     1185: @end table
                   1186:
                   1187: @itemize @bullet
1.3       noro     1188: \BJP
1.2       noro     1189: @item
                   1190: $B%f!<%6Dj5A4X?t$O(B, $B8GDj8D?t0z?t$G$7$+@k8@$G$-$J$$(B. $B%f!<%6Dj5A4X?t$G(B
                   1191: $B2DJQ8D0z?t$r<B8=$9$kJ}K!$N0l$D$H$7$F(B, $B%*%W%7%g%s$K$h$k0z?t$N;XDj(B
                   1192: $B$,$"$k(B (@pxref{$B%*%W%7%g%s;XDj(B}). $B;XDj$5$l$?%*%W%7%g%s$r4X?tFb$G(B
                   1193: $B<u$1<h$k$?$a$K$3$N4X?t$rMQ$$$k(B.
                   1194: @item
1.9       noro     1195: $BL50z?t$G8F$S=P$5$l$?>l9g(B, @code{getopt()} $B$O(B
                   1196: @code{[[key1,value1],[key2,value2],...]} $B$J$k%j%9%H$rJV$9(B.
                   1197: $B$3$3$G(B, @code{key} $B$O4X?t8F$S=P$7;~$K;XDj$5$l$?%*%W%7%g%s(B, @code{value}
                   1198: $B$O$=$NCM$G$"$k(B.
                   1199: @item
1.2       noro     1200: $B4X?t8F$S=P$7$N:]$K(B @var{key} $B$,%*%W%7%g%s$H$7$F;XDj$5$l$F$$$k(B
                   1201: $B>l9g$K$O(B, $B$=$NCM$rJV$9(B. $B$b$7;XDj$,$J$$>l9g$K$O(B, VOID $B7?%*%V%8%'%/%H(B
                   1202: ($B7?<1JL;R(B -1) $B$rJV$9(B. @code{getopt()} $B$,JV$7$?CM$N7?$r(B @code{type()}
                   1203: $B$GD4$Y$k$3$H$G(B, $B$=$N%*%W%7%g%s$,;XDj$5$l$?$+$I$&$+D4$Y$k$3$H$,$G$-$k(B.
                   1204: @item
                   1205: $B4X?t8F$S=P$7$K$*$1$k%*%W%7%g%s$N;XDj$O(B, $B@55,$N0z?t$J$i$S$N8e$m$K(B,
                   1206:
                   1207: @example
                   1208: xxx(A,B,C,D|x=X,y=Y,z=Z)
                   1209: @end example
                   1210:
                   1211: $B$H$$$&Iw$K(B, @samp{|} $B$KB3$/(B, @var{key=value} $B$N(B @samp{,} $B$G6h@Z$i$l$?(B
                   1212: $BJB$S$rCV$/$3$H$G9T$&(B.
1.3       noro     1213: \E
                   1214: \BEG
                   1215: @item
                   1216: When a user defined function is called, the number of arguments
                   1217: must be equal to that in the declaration of the function.
                   1218: A function with indefinite number of arguments can be realized
                   1219: by using @var{options} (@pxref{option}).
                   1220: The value of a specified option is retrieved by @code{getopt}.
1.9       noro     1221: @item
                   1222: If @code{getopt()} is called with no argument, then it returns a list
1.12      noro     1223: @code{[[key1,value1],} @code{[key2,value2],@dots{}]}.
                   1224: In the list, each @code{key}
1.9       noro     1225: is an option which was specified when the function executing @code{getopt}
                   1226: was invoked, and @code{value} is the value of the option.
1.3       noro     1227: @item
                   1228: If an option @var{key} is specified upon a function call, @code{getopt}
                   1229: return the value of the option. If such an option is not specified,
                   1230: the it returns an object of VOID type whose object identifier is
                   1231: -1. By examining the type of the returned value with @code{type()},
                   1232: one knows whether the option is set or not.
                   1233: @item
                   1234: Options are specified as follows:
                   1235:
                   1236: @example
                   1237: xxx(A,B,C,D|x=X,y=Y,z=Z)
                   1238: @end example
                   1239:
                   1240: That is, the options are specified by a sequence of @var{key=value} seperated
                   1241: by @samp{,}, after @samp{|}.
                   1242: \E
1.2       noro     1243: @end itemize
                   1244:
                   1245: @table @t
1.3       noro     1246: \JP @item $B;2>H(B
                   1247: \EG @item References
                   1248: \JP @fref{$B%*%W%7%g%s;XDj(B}, @fref{type}.
                   1249: \EG @fref{option}, @fref{type}.
                   1250: @end table
                   1251:
                   1252: \JP @node getenv,,, $B$=$NB>(B
                   1253: \EG @node getenv,,, Miscellaneouses
                   1254: @subsection @code{getenv}
                   1255: @findex getenv
                   1256:
                   1257: @table @t
                   1258: @item getenv(@var{name})
                   1259: \JP :: $B4D6-JQ?t$NCM$rJV$9(B.
                   1260: \EG :: Returns the value of an environment variable.
                   1261: @end table
                   1262:
                   1263: @table @var
                   1264: @item return
                   1265: @itemx name
                   1266: \JP $BJ8;zNs(B
                   1267: \EG string
1.2       noro     1268: @end table
                   1269:
1.3       noro     1270: @itemize @bullet
                   1271: @item
                   1272: \JP $B4D6-JQ?t(B @var{name} $B$NCM$rJV$9(B.
                   1273: \EG Returns the value of an environment variable @var{name}.
                   1274: @end itemize
                   1275:
                   1276: @example
                   1277: [0] getenv("HOME");
                   1278: /home/pcrf/noro
                   1279: @end example
1.1       noro     1280:
                   1281:
                   1282:

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