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Diff for /OpenXM/src/asir-doc/parts/builtin/num.texi between version 1.3 and 1.5

version 1.3, 2000/01/13 08:29:57 version 1.5, 2002/07/19 02:23:32
Line 1 
Line 1 
 @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/num.texi,v 1.2 1999/12/21 02:47:34 noro Exp $  @comment $OpenXM: OpenXM/src/asir-doc/parts/builtin/num.texi,v 1.4 2001/03/12 05:01:19 noro Exp $
 \BJP  \BJP
 @node $B?t$N1i;;(B,,, $BAH$_9~$_H!?t(B  @node $B?t$N1i;;(B,,, $BAH$_9~$_H!?t(B
 @section $B?t$N1i;;(B  @section $B?t$N1i;;(B
Line 19 
Line 19 
 * mt_save mt_load::  * mt_save mt_load::
 * nm dn::  * nm dn::
 * conj real imag::  * conj real imag::
 * eval::  * eval deval::
 * pari::  * pari::
 * setprec::  * setprec::
 * setmod::  * setmod::
Line 419  function
Line 419  function
 @findex random  @findex random
   
 @table @t  @table @t
 @item radom([@var{seed}])  @item random([@var{seed}])
 \JP :: $BMp?t$r@8@.$9$k(B.  \JP :: $BMp?t$r@8@.$9$k(B.
 @end table  @end table
   
Line 482  one can trace a single random number sequence arcoss m
Line 482  one can trace a single random number sequence arcoss m
 @findex lrandom  @findex lrandom
   
 @table @t  @table @t
 @item lradom(@var{bit})  @item lrandom(@var{bit})
 \JP :: $BB?G\D9Mp?t$r@8@.$9$k(B.  \JP :: $BB?G\D9Mp?t$r@8@.$9$k(B.
 \EG :: Generates a long random number.  \EG :: Generates a long random number.
 @end table  @end table
Line 693  These functions works also for polynomials with comple
Line 693  These functions works also for polynomials with comple
 [2,11,(2-11*@@i)]  [2,11,(2-11*@@i)]
 @end example  @end example
   
 \JP @node eval,,, $B?t$N1i;;(B  \JP @node eval deval ,,, $B?t$N1i;;(B
 \EG @node eval,,, Numbers  \EG @node eval deval,,, Numbers
 @subsection @code{eval}  @subsection @code{eval}, @code{deval}
 @findex eval  @findex eval
   @findex deval
 @cindex PARI  @cindex PARI
   
 @table @t  @table @t
 @item eval(@var{obj}[,@var{prec}])  @item eval(@var{obj}[,@var{prec}])
   @item deval(@var{obj})
 \JP :: @var{obj} $B$NCM$NI>2A(B.  \JP :: @var{obj} $B$NCM$NI>2A(B.
 \EG :: Evaluate @var{obj} numerically.  \EG :: Evaluate @var{obj} numerically.
 @end table  @end table
Line 722  These functions works also for polynomials with comple
Line 724  These functions works also for polynomials with comple
 @item  @item
 @var{obj} $B$K4^$^$l$kH!?t$NCM$r2DG=$J8B$jI>2A$9$k(B.  @var{obj} $B$K4^$^$l$kH!?t$NCM$r2DG=$J8B$jI>2A$9$k(B.
 @item  @item
 $B7W;;$O(B @b{PARI} (@xref{pari}) $B$,9T$&(B.  @code{deval} $B$OG\@:EYIbF0>.?t$r7k2L$H$7$F(B
   @code{eval} $B$N>l9g(B, $BM-M}?t$O$=$N$^$^;D$k(B.
 @item  @item
   @code{eval} $B$K$*$$$F$O(B, $B7W;;$O(B @b{PARI} (@xref{pari}) $B$,9T$&(B.
   @code{deval} $B$K$*$$$F$O(B, $B7W;;$O(B C $B?t3X%i%$%V%i%j$N4X?t$rMQ$$$F9T$&(B.
   @item
   @code{deval} $B$OJ#AG?t$O07$($J$$(B.
   @item
   @code{eval} $B$K$*$$$F$O(B,
 @var{prec} $B$r;XDj$7$?>l9g(B, $B7W;;$O(B, 10 $B?J(B @var{prec} $B7eDxEY$G9T$o$l$k(B.  @var{prec} $B$r;XDj$7$?>l9g(B, $B7W;;$O(B, 10 $B?J(B @var{prec} $B7eDxEY$G9T$o$l$k(B.
 @var{prec} $B$N;XDj$,$J$$>l9g(B, $B8=:_@_Dj$5$l$F$$$k@:EY$G9T$o$l$k(B.  @var{prec} $B$N;XDj$,$J$$>l9g(B, $B8=:_@_Dj$5$l$F$$$k@:EY$G9T$o$l$k(B.
 (@xref{setprec})  (@xref{setprec})
Line 741  These functions works also for polynomials with comple
Line 750  These functions works also for polynomials with comple
 @code{exp}, @code{log}, @code{pow(a,b) (a^b)}  @code{exp}, @code{log}, @code{pow(a,b) (a^b)}
 @end table  @end table
 @item  @item
 $B0J2<$N5-9f$r?t$H$7$FI>2A$G$-$k(B.  $B0J2<$N5-9f$r?t$H$7$FI>2A$G$-$k(B. $B$?$@$7(B @code{@@i} $B$r07$($k$N$O(B
   @code{eval}, @code{deval} $B$N$_$G$"$k(B.
 @table @t  @table @t
 @item @@i  @item @@i
 $B5u?tC10L(B  $B5u?tC10L(B
Line 756  These functions works also for polynomials with comple
Line 766  These functions works also for polynomials with comple
 Evaluates the value of the functions contained in @var{obj} as far as  Evaluates the value of the functions contained in @var{obj} as far as
 possible.  possible.
 @item  @item
 The computation is done by @b{PARI} (@xref{pari}).  @code{deval} returns
   double float. Rational numbers remain unchanged in results from @code{eval}.
 @item  @item
   In @code{eval} the computation is done
   by @b{PARI} (@xref{pari}). In @code{deval} the computation is
   done by the C math library.
   @item
   @code{deval} cannot handle complex numbers.
   @item
 When @var{prec} is specified, computation will be performed with a  When @var{prec} is specified, computation will be performed with a
 precision of about @var{prec}-digits.  precision of about @var{prec}-digits.
 If @var{prec} is not specified, computation is performed with the  If @var{prec} is not specified, computation is performed with the
Line 777  Note they are only a small part of whole @b{PARI} func
Line 794  Note they are only a small part of whole @b{PARI} func
 @code{exp}, @code{log}, @code{pow(a,b) (a^b)}  @code{exp}, @code{log}, @code{pow(a,b) (a^b)}
 @end table  @end table
 @item  @item
 Symbols for special values are as the followings.  Symbols for special values are as the followings. Note that
   @code{@@i} cannot be handled by @code{deval}.
 @table @t  @table @t
 @item @@i  @item @@i
 unit of imaginary number  unit of imaginary number
Line 799  Napier's number (@t{exp}(1))
Line 817  Napier's number (@t{exp}(1))
 0.86602540378443864674620506632  0.86602540378443864674620506632
 [121] eval(sin(@@pi/3)-3^(1/2)/2,50);  [121] eval(sin(@@pi/3)-3^(1/2)/2,50);
 -2.78791084448179148471 E-58  -2.78791084448179148471 E-58
   [122] eval(1/2);
   1/2
   [123] deval(sin(1)^2+cos(1)^2);
   1
 @end example  @end example
   
 @table @t  @table @t
Line 1114  Therefore, it is safe to specify a larger value.
Line 1136  Therefore, it is safe to specify a larger value.
   
 @table @t  @table @t
 \JP @item $B;2>H(B  \JP @item $B;2>H(B
 @fref{ctrl}, @fref{eval}, @fref{pari}.  @fref{ctrl}, @fref{eval deval}, @fref{pari}.
 @end table  @end table
   
 \JP @node setmod,,, $B?t$N1i;;(B  \JP @node setmod,,, $B?t$N1i;;(B
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