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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
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+ l, }' I* y, B% ^' t- ^4 u1 IDos_lib ===>(dos_random)
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9 T1 E# ]5 e# mor (groups.google)3 K; g% H: K# Z% @3 r
2 L4 g) e$ P) ~% ?0 ~;;; by Paul Kohut2 j9 y/ D- [$ j! }4 F# B
(setq SeedRand 1)6 J$ b+ q. b" w8 P1 B/ \# Z. e, W
(defun rand (/)! n: L# q7 D4 R; Z ]" }* ?
(setq SeedRand (+ (* (fix SeedRand) 214013) 2531011))
1 Z) S+ f) `. b (boole 1 (/ SeedRand 65536) 32767)" _" m2 v4 D/ |) a T- h* r
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;;; edited by Fatty
0 ^$ u+ i; t9 N1 w(defun randomgen (num init / rlst SeedRand init ncount val)
8 z1 E1 q: h- ?5 S2 c (setq SeedRand (abs (fix (* 128256 (- init (fix init))))))2 }( r* C, S: g
(setq nCount 0)
* R) d& z6 a1 {. H& }) i( T (while (< nCount num)
& S" c1 S$ I, Q1 Z( Y (setq val (rem (rand) num))' I3 g* h E2 B% G6 v
(if (not (member val rlst))6 V4 [+ H8 Q- A- b7 E1 p" ?
(progn0 W6 ?$ w! C, ^6 ^- M/ B
(setq rlst (cons val rlst))9 f! D# ]* ~9 J, i3 q8 c
(setq nCount (+ nCount 1))2 _: B) ]$ Z( i8 J1 s+ x9 G' J0 Y
)
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rlst
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======================================================
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- a! Z' a x r3 dPosted By Doug Kidd on Oct. 11 2001.+ m q1 ~5 t; _% v, A( D
;;; Initialize pseudorandom seed from time and date. V9 z' b5 W* U' _, n
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(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( _; u# g: ~( h2 } c- X
% R% N) ?- U- k4 f(defun random ()
- u* J3 I3 t h( J5 d) w2 l+ X (setq randseed (* randseed 17381))
0 @* a4 Y# l' Y( }; G8 ` (/ (rem (Boole 1 randseed 65535) 100) 10.0)
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===================================================
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Luis Esquivel2 J1 X# k9 M$ j3 G0 I: M: Q
Newsgroups: autodesk.autocad.customization# `$ [4 e2 W+ S$ n, f' f% z
....
$ F; {0 M: a' D6 |, v0 V;;; Random number generator
/ J6 p1 u; A/ k4 w5 a+ |(defun ran ()+ y. H. @1 T8 z. ~. m, L& v
(setq seed (if seed (rem (+ (* seed 15625.7) 0.21137152) 1) 0.3171943))
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Terry Cadd8 L3 U4 k5 T+ S" P2 ?+ S8 T( V2 {
;;; GetRnd - Generates a random number a' Q$ u( ?6 ?+ r
;;; Arguments: 1
9 |5 P7 O1 |% |" c* _( i;;; Num# = Maximum random number range; t' e+ K% M! h* C
;;; Returns: Random integer number between 0 and Num#.& S( w( @; }8 V5 j- S1 Z
+ N6 ?# _; j. g, U$ S4 F7 P" l6 a(defun GetRnd (Num# / MaxNum# PiDate$ RndNum# Minus Loop). G# y$ T; ^3 X( x' `" V
(if (or (/= (type Num#) 'INT)(= Num# 0))+ d$ ?0 l6 d3 {' [; q( ~4 h
(progn
0 m3 N. X8 u. K ]' b* O- i (princ "\nSyntax: (GetRnd Num#) Num# = Maximum random integer number range\ngreater than or less than 0."). h' {- s4 a" z7 v) F6 J! A8 Q
(exit)
1 w9 N+ _: D7 O2 \4 Z" h );progn/ z2 h( e; z) |9 t
);if* a* j' H7 p7 n$ I; o( Y5 r
(if (< Num# 0)
) z( N: u# p0 E0 R5 G7 K (setq MaxNum# (abs (1- Num#)) Minus t)* }. J6 p) f" ~% g g8 z2 \: J, h0 h
(setq MaxNum# (1+ Num#))
/ p8 y- ?+ o0 V; `: E; J6 n( _; B );if
& ]& g: \) Z( j' m (if (not *RndNum*) (setq *RndNum* 10000)) h- Z# G6 |$ E; i) E+ c! H2 B: Q0 j
(setq Loop t)( O5 h# h7 u2 ^& @) D/ Z
(while Loop/ g# g9 Y' X& C
(if (or (null *int*)(> *int* 100)); j+ [( _0 ?$ S; C4 S" f7 T
(setq *int* 1)
6 g3 E" R$ U3 j: s5 _ (setq *int* (1+ *int*))
" ^4 a5 E2 [) T0 W* ] );if
' l6 P+ [6 ^4 e: |1 c (setq PiDate$ (rtos (* (getvar "cdate") (* pi *int*)) 2 8))
6 g$ j4 C. N0 a" Y5 i, S (cond/ K% d: |5 ]4 Z
((>= MaxNum# 10000)0 ?3 r5 }0 i, T$ n
(setq RndNum# (fix (* (atof (substr PiDate$ 13 5)) (* MaxNum# 0.00001))))% }; |6 W {5 H5 p9 f5 |/ g& T Y
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((>= MaxNum# 1000)
3 l/ F& [/ P% I (setq RndNum# (fix (* (atof (substr PiDate$ 14 4)) (* MaxNum# 0.0001))))4 n9 [; {( N8 @! c; v, [: n, J
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((>= MaxNum# 100)
" l7 M, w. k: t% m( W (setq RndNum# (fix (* (atof (substr PiDate$ 15 3)) (* MaxNum# 0.001)))), S0 L% v2 z" p0 s9 o
)
6 x/ T) f# k+ p7 _ ((>= MaxNum# 10)' D6 W3 \: m: J
(setq RndNum# (fix (* (atof (substr PiDate$ 16 2)) (* MaxNum# 0.01))))
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((>= MaxNum# 1)+ y' K7 L2 c$ X3 p5 ?; A9 N5 L
(setq RndNum# (fix (* (atof (substr PiDate$ 17 1)) (* MaxNum# 0.1)))), @! v# G+ \( T* w
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(t (setq RndNum# 0))- T3 l: A3 v7 }, L H$ E- B9 _
);cond z8 ?, ]/ b: e0 {. L2 ?
(if (/= RndNum# *RndNum*)
/ ~; ]& Q( u7 e5 o# [3 d (setq Loop nil): Z* u: V% s, n' I; r4 Y9 a
);if
' p7 F! X4 ~6 t& K );while6 U7 V/ i$ }% [: V9 }& [
(setq *RndNum* RndNum#)4 j( c5 W$ A. s% |& z
(if Minus
$ k9 Q- G! K3 H (setq RndNum# (* RndNum# -1))9 W+ q! @: Z' X4 r5 @, U' l
);if
" {$ j! B' t0 B" v- w1 G RndNum#
( c- z& d: V `' E5 O& L% n3 U);defun GetRnd |
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发表于 2010-1-12 16:16:15
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