|
|
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
! a2 j' G2 i I9 g6 E5 `! v6 B% o0 E8 ?1 ?4 c; J8 Z r3 H6 }
Dos_lib ===>(dos_random)3 ]) b. G* k1 k7 C% p6 R( \
1 w2 B2 h6 A" l6 c' Y, L) W/ h \
or (groups.google); t1 y1 F3 M6 F/ m2 V7 F
" G1 c1 _# P! A. Y
;;; by Paul Kohut
+ k% F* U' {+ ~(setq SeedRand 1)/ p+ m# U: Q" d! d, B% t, }
(defun rand (/)& h5 X: d0 w# D, K* }0 W* x
(setq SeedRand (+ (* (fix SeedRand) 214013) 2531011))
f$ X+ u/ B' w (boole 1 (/ SeedRand 65536) 32767)
7 Y7 b8 I3 R* o% l4 p0 t)
; p8 K2 t x, z0 R/ m' }, ]: q
- ~, m. I& d2 C7 s* V6 d;;; edited by Fatty) Q4 R9 }" E/ f0 a
(defun randomgen (num init / rlst SeedRand init ncount val)
; k+ f. T; X/ c% G6 k/ d: F (setq SeedRand (abs (fix (* 128256 (- init (fix init))))))( R0 D$ ^& r* X! H+ c0 A* I* Q
(setq nCount 0)0 V/ g) Z( _7 _: R8 o x5 A* _# Z
(while (< nCount num)- |5 E& U* l& X- ^7 r% v
(setq val (rem (rand) num))0 C8 O& n" V8 D g$ s) ~6 ~* }
(if (not (member val rlst))
{. @5 P9 c* q6 W6 } (progn
" j: l" h* h8 n- B- m3 ? (setq rlst (cons val rlst))6 h4 S5 }6 s5 g4 b1 \+ V; M" { ^
(setq nCount (+ nCount 1))
6 W+ Q! j3 j( O5 U& b1 @ ) T% w/ E) u9 L1 n
)
, m) W* T% P! H7 q )
2 {; d! u' {: {& g9 |; a9 Q* \ rlst
7 y1 E# ~: m( N6 S9 [! O* ?( l)
+ L7 R5 r, a. w9 d- ? V9 u
7 l" _' s4 s0 n a9 A1 r======================================================
9 T- i/ a& p) {% `6 `4 ^& m \$ c3 F
Posted By Doug Kidd on Oct. 11 2001.7 h A5 J( Y0 O) y! D2 K: D) A: W/ C$ Y
;;; Initialize pseudorandom seed from time and date" e1 E$ e! y4 E6 l" h" B9 O
9 `+ d- [# j" X; S: V(setq randseed (atoi (rtos (rem (fix (* (getvar "date") 10000.0)) 1000) 2 0))) b* ^# ]+ x) T. J
8 x0 _: W9 P: j3 k2 e
;;; RANDOM -- Generate the next pseudorandom number between 0 and 10
/ p$ P1 q) t/ L: W s$ ^6 s" X9 k3 B+ i4 I S
(defun random ()
! g& A6 E; j4 P+ m1 @ (setq randseed (* randseed 17381))# f0 T& J8 Q, ^$ ~" Q
(/ (rem (Boole 1 randseed 65535) 100) 10.0)
3 x1 ]& w( q; U3 s. e. o)
; i4 j! Q' p, o/ u9 a: W
- d& G. o3 A, z1 I# n6 h" u* A===================================================' s3 w* |! ]0 y/ D, j: l9 c0 h
0 |8 M. {, y6 }1 P. K1 O M
Luis Esquivel6 k! g2 a6 y- i- |' ?/ U
Newsgroups: autodesk.autocad.customization
& Z6 f; H/ S0 V7 u! \6 A2 W) C....- n8 ?4 A$ [/ p. P7 N
;;; Random number generator
7 c6 r6 S' Z4 Z! J8 f, s2 E9 C(defun ran ()
1 v$ d1 g7 _2 u" m* V3 D( a/ X (setq seed (if seed (rem (+ (* seed 15625.7) 0.21137152) 1) 0.3171943))" w6 O( y3 b8 T
)- {, C* v# y9 _
4 a( m, b/ j+ n1 x) `2 N
# p$ d0 r0 ~% q- eTerry Cadd
8 B$ a+ }* x8 u' Y1 q( z;;; GetRnd - Generates a random number' A* y; w' f, i9 p# O
;;; Arguments: 1" R. f$ ~; u! r/ R0 D
;;; Num# = Maximum random number range
4 U" s6 y2 B. V9 ~;;; Returns: Random integer number between 0 and Num#.8 x/ p7 E0 c( p1 p' ~+ z, w
% Y* b2 X3 N. F5 k7 Y(defun GetRnd (Num# / MaxNum# PiDate$ RndNum# Minus Loop)
3 ?# r0 Y8 E( b( d; W' z7 U/ M (if (or (/= (type Num#) 'INT)(= Num# 0))2 O" I, _% j8 {# m/ Z* V$ a
(progn
5 M, W2 a+ t+ I% S7 s) \, e (princ "\nSyntax: (GetRnd Num#) Num# = Maximum random integer number range\ngreater than or less than 0."): \6 G, f3 f; ^' [: S, m
(exit)# x1 ^* C2 p" R- \2 w; r1 R+ s
);progn: ?' a! B! o' ~, W
);if
( i9 S& D* t0 L( [8 ] (if (< Num# 0)
^2 p0 c% U8 v; t (setq MaxNum# (abs (1- Num#)) Minus t)5 v4 Z$ L( o; n5 n4 R
(setq MaxNum# (1+ Num#))
; p: c# r5 m3 R$ n+ M* b5 M Y# q );if4 G$ b5 d( c3 t4 R: R. c, F% c0 `
(if (not *RndNum*) (setq *RndNum* 10000))
( I! r$ t8 p; J! f [- u. ^ (setq Loop t)
8 @1 a5 p! Q- t! |; z2 V$ }0 I1 } (while Loop
. O% y& Q- z. `) s$ u9 g9 }3 s (if (or (null *int*)(> *int* 100))
8 _1 {. ^0 J8 E. R' m! w (setq *int* 1)1 M; D/ `5 O0 i9 f/ `
(setq *int* (1+ *int*))
3 O! b% p% [4 q7 a: s0 ~ );if
* r2 j1 e4 l( d5 H (setq PiDate$ (rtos (* (getvar "cdate") (* pi *int*)) 2 8))
1 V' |3 l/ ~1 j0 a% j# f; k& A- [ (cond( j; C R- x2 N S! h2 i, m% B1 N
((>= MaxNum# 10000)3 _3 @2 Z R, V! X: Y0 @
(setq RndNum# (fix (* (atof (substr PiDate$ 13 5)) (* MaxNum# 0.00001)))); U9 O6 s5 O$ M3 k, W
)
2 F$ `) ]$ W% I. v: k; }( n, \. m ((>= MaxNum# 1000), S9 D3 q1 N. k; x) d
(setq RndNum# (fix (* (atof (substr PiDate$ 14 4)) (* MaxNum# 0.0001))))+ A% ~ B; ~4 `* Y2 c0 A0 J/ J. N
): @4 e+ x, y0 P% _: N
((>= MaxNum# 100)! J2 k/ Q) C0 y0 S, ` Q
(setq RndNum# (fix (* (atof (substr PiDate$ 15 3)) (* MaxNum# 0.001))))7 N" y! _# W' M( N$ [
)4 n# D7 p4 g8 @2 s$ E
((>= MaxNum# 10)" y' P& A/ G2 I% q* [
(setq RndNum# (fix (* (atof (substr PiDate$ 16 2)) (* MaxNum# 0.01)))); b" C$ ~! T) T' l
)* z( b: w) L6 e7 `' E5 l1 q& l4 V x
((>= MaxNum# 1): u) u' H/ g$ J
(setq RndNum# (fix (* (atof (substr PiDate$ 17 1)) (* MaxNum# 0.1))))
# \0 f$ u1 m- Q0 f( [# o1 w& X )
9 G6 A, k/ P; I. g- d. c! I5 h (t (setq RndNum# 0))+ C6 X7 B- V- q
);cond; p) K, _7 P9 C$ A* i
(if (/= RndNum# *RndNum*)
8 i2 e: I( i; C' d( L: E8 M3 b (setq Loop nil)
7 t' T4 T/ {0 j: V; x );if
$ y; R d/ W5 }/ s );while/ ~/ d0 S1 i! Q0 _2 H) Y
(setq *RndNum* RndNum#)# g7 c: V% m7 Q
(if Minus
, S, x V8 E* u D, \ (setq RndNum# (* RndNum# -1))" C+ m$ D" ?6 B5 g& N1 ^) p% M
);if) ?* k; Q' P4 B! w
RndNum#) |2 h( Z# `+ R" A
);defun GetRnd |
评分
-
查看全部评分
|