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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 & r5 z, J6 _ X/ N! K' P% D' f# s
+ n* H' y2 f) e' WDos_lib ===>(dos_random)4 K3 O5 f5 }: F8 Z
5 ]1 c. k7 ]5 r3 J; g) U: Bor (groups.google)
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2 J2 O3 L. j% ?) `1 l2 y;;; by Paul Kohut8 D2 c0 V% ?' w
(setq SeedRand 1)2 U2 C3 R5 H3 z8 b) t1 p' `8 ]
(defun rand (/)( q" z2 q+ a7 v9 ?, G, W1 I! y0 q& F
(setq SeedRand (+ (* (fix SeedRand) 214013) 2531011))
: j6 { e6 y0 _6 D9 V$ P$ W. l (boole 1 (/ SeedRand 65536) 32767)4 }0 P$ I+ i$ D, O+ y n
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2 m; Y) a" V% Y- R* Z' O;;; edited by Fatty% s2 N/ @1 ^ a
(defun randomgen (num init / rlst SeedRand init ncount val)! C! {8 V6 Z, h2 G( T8 R
(setq SeedRand (abs (fix (* 128256 (- init (fix init))))))
. I% |/ X+ |4 A* g* ~ H (setq nCount 0)
* {; p, t3 _1 H x6 v2 ~6 [" ^" h (while (< nCount num)9 K! ~1 A3 ~: e+ U6 e5 m
(setq val (rem (rand) num)); D! N' R+ d& w. D
(if (not (member val rlst))$ p( z9 c" }* ?! Z/ j
(progn0 B" C* j; n& q- D# l& W. X* e
(setq rlst (cons val rlst))& F U, c' Y# I7 M7 C$ ], G
(setq nCount (+ nCount 1))
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======================================================, J* ~" b! [0 b. A2 H1 D
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Posted By Doug Kidd on Oct. 11 2001.1 M8 w: v' [- Q/ z# R: c
;;; Initialize pseudorandom seed from time and date7 n4 e7 @- Z: p; L$ I6 n' |4 _
H; W$ J. @- @, x% R# h(setq randseed (atoi (rtos (rem (fix (* (getvar "date") 10000.0)) 1000) 2 0)))
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;;; RANDOM -- Generate the next pseudorandom number between 0 and 10
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(defun random (). c: B$ e) D$ w+ c+ q' a
(setq randseed (* randseed 17381))& k. M1 t* G3 v/ L: F$ b6 Z
(/ (rem (Boole 1 randseed 65535) 100) 10.0); D" B. J, s0 p! l6 n0 g! F) D- |0 O
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6 D& T) L; l+ U8 Y3 j1 _7 w===================================================
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: |3 k5 k# l* l; x/ dLuis Esquivel
' O! h& m; I1 k* M& w- A/ ]Newsgroups: autodesk.autocad.customization
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& X$ k ~1 T& m" h% ]" ~;;; Random number generator7 o) D1 @8 U y- `0 M
(defun ran ()3 q0 `! L( \5 U7 Y3 G
(setq seed (if seed (rem (+ (* seed 15625.7) 0.21137152) 1) 0.3171943))$ D8 e9 w H, }" J* k* U3 U
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! u6 N1 S% a" mTerry Cadd
r; _+ \$ [" m+ a- |% ?5 ];;; GetRnd - Generates a random number
- Y- y' I, S% e% U: H) U;;; Arguments: 1- E) T6 h d9 w/ A- e
;;; Num# = Maximum random number range
4 d, L( l" {# e8 J;;; Returns: Random integer number between 0 and Num#.
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(defun GetRnd (Num# / MaxNum# PiDate$ RndNum# Minus Loop) ?6 R1 b$ E# n1 z; u; g1 i
(if (or (/= (type Num#) 'INT)(= Num# 0))
6 g( n* V/ g* m, ^5 {- m (progn& X& n4 W+ y ?
(princ "\nSyntax: (GetRnd Num#) Num# = Maximum random integer number range\ngreater than or less than 0.")! D, C9 r+ R2 ?% J' n
(exit)
8 h# A1 G/ V% {( G2 J2 a/ C );progn( H s1 b$ e0 `1 g
);if2 }/ m1 [+ ?" v" C- N) ]
(if (< Num# 0)
4 {8 O) h6 W- I' ]2 P (setq MaxNum# (abs (1- Num#)) Minus t)
" d; ?6 ^ T3 z4 K (setq MaxNum# (1+ Num#))* H( {. C6 ^% }: g
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(if (not *RndNum*) (setq *RndNum* 10000))
) F$ c1 q- Q" i6 C4 [. p: @( L; q (setq Loop t): l! w; L- b' u9 H: ?! i
(while Loop
: f! l2 p& W8 P8 `2 s, c6 t (if (or (null *int*)(> *int* 100))6 P. \& Y( I- ?- k: D+ @
(setq *int* 1)2 c, a# o0 } ~) W7 d6 w
(setq *int* (1+ *int*))
3 h3 F0 p+ p: S3 j );if G% t4 f2 m4 _" \: S, U- y3 l
(setq PiDate$ (rtos (* (getvar "cdate") (* pi *int*)) 2 8)); c# k6 c) F4 [% l7 w
(cond
+ S" b/ W2 A+ y0 y ((>= MaxNum# 10000)5 {% c9 E: ?6 p
(setq RndNum# (fix (* (atof (substr PiDate$ 13 5)) (* MaxNum# 0.00001))))
& ^$ y5 F% D K+ {! { )
5 E' k4 H @, F; B9 M ((>= MaxNum# 1000)" R! r) l# d; W7 n9 m# L# z
(setq RndNum# (fix (* (atof (substr PiDate$ 14 4)) (* MaxNum# 0.0001))))- y; R, l% `1 T2 v: M* q8 a! ~5 J$ _
)
9 i3 P8 W3 n" r: s- r9 ~( D ((>= MaxNum# 100)
- x" o# {: g6 \; y (setq RndNum# (fix (* (atof (substr PiDate$ 15 3)) (* MaxNum# 0.001))))) y2 x) U# E) e4 u3 Q
)
! B% j/ X, N9 j( L, q% c ((>= MaxNum# 10)- E- K0 S3 ^( i1 g4 E
(setq RndNum# (fix (* (atof (substr PiDate$ 16 2)) (* MaxNum# 0.01))))3 h1 v7 s, Y! [$ y0 W3 y
)
8 @: K, I' z) o6 ~7 w5 A1 g ((>= MaxNum# 1), J5 h/ M6 Q" i; j Y J' F
(setq RndNum# (fix (* (atof (substr PiDate$ 17 1)) (* MaxNum# 0.1))))
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(t (setq RndNum# 0))
% x% J7 X4 F( S6 {- \ );cond# O4 \# Y/ G5 E; U# V# Z
(if (/= RndNum# *RndNum*)+ P6 Y0 G8 I+ k. ~6 n' z
(setq Loop nil)
6 ^: I2 Y; X. S( U, I );if0 _' n" A) W) D7 G$ b
);while
( a/ Q% e4 K0 {2 ~# @# w$ Z3 i (setq *RndNum* RndNum#)
: N B+ V# H! `& D' \% K {/ M (if Minus# {: |5 t9 Y; {, S: X2 `8 L
(setq RndNum# (* RndNum# -1))+ a$ R/ l" r# Q: P g
);if
* P, w0 t% `: @. O* n8 `* P1 ^ RndNum#2 h7 x s! `6 r3 w4 \& `- z0 k
);defun GetRnd |
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发表于 2010-1-12 16:16:15
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