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发表于 2010-1-14 08:46:50
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来自： 中国台湾
本帖最后由 SunVei 于 2010-1-14 08:48 编辑 8 Y# F, G. j7 z" n6 {& b
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Dos_lib ===>(dos_random)# z( F- j+ W [( u5 i
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or (groups.google)) L7 y1 u/ d3 ^* E' O1 T1 x
4 d3 }; D* u: G;;; by Paul Kohut
( {- `0 F* c& R: a. M2 c(setq SeedRand 1)
2 k5 S- b- J( J& S4 |(defun rand (/)! |4 l; x# h8 c# E, W% e7 _
(setq SeedRand (+ (* (fix SeedRand) 214013) 2531011))- L* \. s v0 d e6 u
(boole 1 (/ SeedRand 65536) 32767)
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. H7 b, q5 H6 g+ M;;; edited by Fatty% v7 c$ e3 W, S
(defun randomgen (num init / rlst SeedRand init ncount val)
8 N# c v: @5 B/ t( |$ l (setq SeedRand (abs (fix (* 128256 (- init (fix init))))))4 \" {% g1 d: G- X& ^
(setq nCount 0)" t9 J9 ~2 g* I% e
(while (< nCount num)
6 J0 @: t6 L0 t( Z. c (setq val (rem (rand) num))6 H, r4 @ z9 P6 X
(if (not (member val rlst)), a1 C& h3 p1 d0 F6 m
(progn: }- A' G; p7 x: a
(setq rlst (cons val rlst))
0 O( U6 b2 W8 ?; ~. A5 E (setq nCount (+ nCount 1)); K4 E& A, |. M* p2 s! n4 h: _4 @
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)
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rlst
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======================================================( z4 b! a4 H: s2 [1 P! K
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Posted By Doug Kidd on Oct. 11 2001.+ J% w" M. C" K; f& U) }- B
;;; Initialize pseudorandom seed from time and date
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(setq randseed (atoi (rtos (rem (fix (* (getvar "date") 10000.0)) 1000) 2 0)))
; t- q: T% v% j6 f& |( D) `# w X1 w; T" ?1 }2 P% s1 E
;;; RANDOM -- Generate the next pseudorandom number between 0 and 10% j2 J) \2 j' C& n' q
9 F$ ~6 O: x: p$ f% V' R(defun random ()
! I3 X; ?3 V' a7 c3 y) b8 J (setq randseed (* randseed 17381))
' B. A; A" C1 @1 y s (/ (rem (Boole 1 randseed 65535) 100) 10.0)
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! s+ @! Q3 X% V& e===================================================
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Luis Esquivel
0 W3 _8 H! N! ]3 E/ H' b2 B/ B }+ N+ qNewsgroups: autodesk.autocad.customization
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;;; Random number generator% g+ D. |) w0 x3 _0 o$ J
(defun ran (). [9 ?. f3 M H; u) b) R
(setq seed (if seed (rem (+ (* seed 15625.7) 0.21137152) 1) 0.3171943))
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;;; GetRnd - Generates a random number
" A U7 o: O. ]3 b5 q* [/ K L;;; Arguments: 1
7 r9 {. {% z# c3 o4 x' N0 i; c;;; Num# = Maximum random number range5 h [7 b. G# s% Y N: m0 ~; T/ t
;;; Returns: Random integer number between 0 and Num#.2 J. T' t5 Z7 j- \" }0 R. D1 s6 L
{- b1 W6 ?' {8 `6 I0 f. N C3 C9 c(defun GetRnd (Num# / MaxNum# PiDate$ RndNum# Minus Loop)
* ]7 j8 i1 P- H% V) c2 X$ u' {8 I3 \ (if (or (/= (type Num#) 'INT)(= Num# 0))
- g) j6 S$ K3 _ P' J$ J9 J (progn
! F. x0 M7 B0 a* L (princ "\nSyntax: (GetRnd Num#) Num# = Maximum random integer number range\ngreater than or less than 0.")0 L7 T' i k, \! @7 I0 c' l5 b
(exit)
9 V, ?6 b0 Z" W( h' S4 U2 V );progn, i- J7 y8 F; V# T! D0 o. @
);if R/ ^* L1 j9 i# q
(if (< Num# 0)
3 |7 l' J; ]6 I- I3 z( R( F' A0 V (setq MaxNum# (abs (1- Num#)) Minus t)
, K1 ?( y' N X. |4 u8 y. D$ @% u (setq MaxNum# (1+ Num#))
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(if (not *RndNum*) (setq *RndNum* 10000))3 t# |9 C- I+ g, U2 y& Z* }/ b
(setq Loop t)
: Z4 D) a! ]6 v/ s& r$ T (while Loop9 D& W" E1 G2 F5 c0 j2 k( k
(if (or (null *int*)(> *int* 100))
9 T: T) Y* [4 B @ (setq *int* 1)$ u1 K- P! H6 x& T% `% ?4 O
(setq *int* (1+ *int*))
9 W/ F- R* C& ?# s' |4 I );if) X+ ^& e. ], k X7 { \
(setq PiDate$ (rtos (* (getvar "cdate") (* pi *int*)) 2 8))0 \" e( j; U& a) L
(cond
5 Y# _- z" B; C- n7 z1 S, \- E6 o ((>= MaxNum# 10000)
9 Y- V/ M% V/ Z5 T& T) J- N (setq RndNum# (fix (* (atof (substr PiDate$ 13 5)) (* MaxNum# 0.00001))))0 J2 i0 |6 P- J, }
); R7 B1 Z' `- I; g! ?% b
((>= MaxNum# 1000)
& c+ M! w) Z" J. r* g (setq RndNum# (fix (* (atof (substr PiDate$ 14 4)) (* MaxNum# 0.0001))))
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( ]* ^! M* o9 ]. n ((>= MaxNum# 100)
3 S) Y) E T. |- Z (setq RndNum# (fix (* (atof (substr PiDate$ 15 3)) (* MaxNum# 0.001)))); }2 ^& m- s5 o C6 ~
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((>= MaxNum# 10)4 a G/ P; T% L+ L/ E+ J' H% C
(setq RndNum# (fix (* (atof (substr PiDate$ 16 2)) (* MaxNum# 0.01))))
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7 D u3 N7 J$ Z1 @, Q ((>= MaxNum# 1)
) V5 u% a6 p1 j$ ~ (setq RndNum# (fix (* (atof (substr PiDate$ 17 1)) (* MaxNum# 0.1))))0 R# [; r' L) y
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(t (setq RndNum# 0))
! m3 o3 X4 }7 n* y% C; X );cond: }, o7 e+ ?4 |8 {4 ^
(if (/= RndNum# *RndNum*) O; T+ ~7 ~ Z7 i
(setq Loop nil)
V" ^3 `! g3 x );if
3 A( I1 E/ [ ?3 B$ H5 g );while
$ U' @: q9 R+ n* U* g. b' n! n (setq *RndNum* RndNum#): R7 C: v0 {& T( k; R( X2 N5 e& f
(if Minus; L$ v! I! S7 j& h. r3 S
(setq RndNum# (* RndNum# -1))
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RndNum#8 ^ S% s0 I( V% i7 E) J
);defun GetRnd |
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发表于 2010-1-12 16:16:15
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