|
发表于 2010-1-14 08:46:50
|
显示全部楼层
来自: 中国台湾
本帖最后由 SunVei 于 2010-1-14 08:48 编辑
: c9 E: _( h- x3 M7 L( T
6 }" t" t( M- B; B7 d" i" `( w! D& u- xDos_lib ===>(dos_random)
: m+ D! ^7 ?3 Z/ c0 }( O( R" }8 ~! V8 G: x
or (groups.google)+ w5 p, P& d+ j9 A* m/ ^
2 J/ d. \. g' E: \+ k) l& {;;; by Paul Kohut U( a% ~% l' N# K0 w
(setq SeedRand 1)$ \" |% ~% I f" _( [+ e7 y
(defun rand (/)
8 ^7 O1 q/ P* A' z (setq SeedRand (+ (* (fix SeedRand) 214013) 2531011)), o5 l3 Y% [& D+ Q
(boole 1 (/ SeedRand 65536) 32767)
& m8 @0 }& I3 U. I4 h: _)8 U' M! J a9 Y
6 L8 D7 i, Z) x
;;; edited by Fatty
2 ?4 K% z9 t: J(defun randomgen (num init / rlst SeedRand init ncount val)
" j$ t4 G- X' K" K. d2 j& M- h (setq SeedRand (abs (fix (* 128256 (- init (fix init))))))
) s% k3 S2 v& Y2 h1 p0 l5 P1 M4 j! c (setq nCount 0)
2 g) r/ Z _8 t* L4 \ (while (< nCount num)
( k7 ?# l. [% M \ (setq val (rem (rand) num))9 q% Q5 _! L, R# x+ L- l
(if (not (member val rlst)): h# B; f* L$ j+ K, @& {: @4 o
(progn
3 U, T1 Y6 X+ u1 O- |% R6 x; | (setq rlst (cons val rlst))( q7 B& _$ h/ z1 n9 I$ ?+ U
(setq nCount (+ nCount 1))
0 D% r1 O8 K* w7 M# B )
q( X& ^' z4 _9 c: A )1 X" J% J b( J9 T. q
)( I! j- d' g) V2 Z! L' Q3 @
rlst9 n8 J' ^+ ^; _' r4 m1 q
)
: g3 a: r* E* M# }+ \" f# Y' {9 h' U* _. {
======================================================
, K: K( n+ X! S1 n9 `/ h' m
1 _% D; q: |% e6 qPosted By Doug Kidd on Oct. 11 2001.
8 t2 h$ N" V& Y5 h;;; Initialize pseudorandom seed from time and date
- G, j% S& c* k( m# m! m; j* C3 x7 R8 h1 t
(setq randseed (atoi (rtos (rem (fix (* (getvar "date") 10000.0)) 1000) 2 0)))1 M \& B% C6 t }; L( X* X* x1 L# U
/ E) R6 Y+ ?2 x( b% m( q, z! X;;; RANDOM -- Generate the next pseudorandom number between 0 and 10
6 ]7 c$ Y; y" p7 \. K8 d4 u/ j" V2 {" M3 ^
(defun random ()
5 s) } C7 ]' g2 ] (setq randseed (* randseed 17381))
/ l5 |, z g1 R2 ^: s4 O2 \/ b (/ (rem (Boole 1 randseed 65535) 100) 10.0)
: v4 X- u6 Y' a: h5 Z, r% V7 `)& }/ f0 n! A6 h
3 \8 ?6 h2 c: ~1 O===================================================
3 g' T1 H! @' F# y8 x, N7 l$ `- X R! P: O, b
Luis Esquivel! v5 `+ v# T* f1 _" `3 o
Newsgroups: autodesk.autocad.customization9 T& w$ G8 \3 g6 ]: x! l/ u
....3 e' i6 P# v& W) d2 K
;;; Random number generator3 Y* x! `, {; `2 d
(defun ran ()
5 B! i4 ^0 s' M7 n/ p# h, n% N' t3 _ (setq seed (if seed (rem (+ (* seed 15625.7) 0.21137152) 1) 0.3171943)); L7 S9 Y) {9 z* N9 U8 R
)
% V/ k! r$ N* f% \! ?" n" V' e6 Q/ N; r2 S; Q8 J9 p# i% s
2 D9 F2 J$ o- q4 b z% r2 q/ g
Terry Cadd
4 m: a6 O% v) w) L' Q;;; GetRnd - Generates a random number
@4 p: i$ n& D0 k6 x1 Y0 T! N;;; Arguments: 1# f4 f: d7 S2 M1 x. o) L
;;; Num# = Maximum random number range
, ~; L$ R/ B R/ G;;; Returns: Random integer number between 0 and Num#.4 `. m' K j" V2 s" O+ _8 J0 l
: z( V* _9 k3 w
(defun GetRnd (Num# / MaxNum# PiDate$ RndNum# Minus Loop)
2 s) V+ q6 _2 B) P2 E1 i (if (or (/= (type Num#) 'INT)(= Num# 0))
; J3 V9 a% y" `* Y: P) \7 _ (progn
3 J! O4 Z( M3 Q$ p. j (princ "\nSyntax: (GetRnd Num#) Num# = Maximum random integer number range\ngreater than or less than 0.")
9 b6 R0 }" {5 x5 Q- D3 m+ | (exit)9 D* y% J& x7 E6 K8 E
);progn+ s1 j0 v1 n! w d
);if& c3 m2 ^2 s: h9 C" v
(if (< Num# 0)
* H6 Z; a v) n; p8 d6 @. R4 c4 I (setq MaxNum# (abs (1- Num#)) Minus t). _& y5 k0 z5 u. N4 @; ]
(setq MaxNum# (1+ Num#))0 M! B6 f! W4 J& u% P* ^3 o1 ]7 m9 [
);if
& Z( V" N1 o- X1 X7 g (if (not *RndNum*) (setq *RndNum* 10000))
0 K1 G D8 s: |& A, O. {, w (setq Loop t)
: u* U( \3 [: S8 ], | (while Loop1 {- `+ [) E% r9 O) `7 }
(if (or (null *int*)(> *int* 100))8 I% y2 ?" A# c B I
(setq *int* 1)6 Q) C# V$ G8 o
(setq *int* (1+ *int*))
. a' G( h0 N% x/ L8 x7 _9 W: A );if4 H- c- u! T3 l# i- w" f9 @
(setq PiDate$ (rtos (* (getvar "cdate") (* pi *int*)) 2 8))
% Y4 k; g- e3 w+ U' X5 V# z (cond
1 b- G" s0 b6 e0 y O, D ((>= MaxNum# 10000)
8 I7 v6 z, M* w( V$ D (setq RndNum# (fix (* (atof (substr PiDate$ 13 5)) (* MaxNum# 0.00001))))( [( B1 W( f7 b8 d$ \ T
)2 Y$ d, x& R1 g5 E; L1 {
((>= MaxNum# 1000)( }8 Z5 B+ V( P
(setq RndNum# (fix (* (atof (substr PiDate$ 14 4)) (* MaxNum# 0.0001))))
" Z& {- C2 D6 V6 W9 H0 z )
7 g5 S5 E( x( y) s ((>= MaxNum# 100), }4 r6 E6 a% h" S7 m
(setq RndNum# (fix (* (atof (substr PiDate$ 15 3)) (* MaxNum# 0.001))))% X+ {: i! o; }3 s" e' c
)
9 _# W: U! T- X' k+ T2 r ((>= MaxNum# 10)
; F+ n( \0 u; c3 d7 Z G5 I (setq RndNum# (fix (* (atof (substr PiDate$ 16 2)) (* MaxNum# 0.01))))3 v( j* S0 n5 l
)1 _/ K& D# m$ P9 H5 c$ U Q" C; W
((>= MaxNum# 1)
' O4 A6 \ X5 y3 y2 b (setq RndNum# (fix (* (atof (substr PiDate$ 17 1)) (* MaxNum# 0.1))))
$ v! L5 c N/ ^4 b. M) k )$ L' e- f+ ?$ v2 P/ c
(t (setq RndNum# 0))" C0 O: M2 C" o5 G [
);cond
4 D$ Q$ R6 }, W1 f (if (/= RndNum# *RndNum*)9 R0 @ z6 {4 k9 u. u6 V
(setq Loop nil)3 R: o* e9 ~6 t& v% Q+ t
);if# |3 {4 _6 K2 \) N
);while* o- b" o! n/ l7 `) U ]. P$ u
(setq *RndNum* RndNum#)7 T/ f! I) s% k0 d. v0 z, Z7 l; \
(if Minus
) J# c; J+ D) ~, Q* V5 v (setq RndNum# (* RndNum# -1))
% `. v r8 {, |$ q/ S );if) W9 c# N$ s, g! p7 n. s9 v
RndNum#
( X! x& r" b5 x+ v1 g# r) b% I);defun GetRnd |
评分
-
查看全部评分
|