b098c879 |
1 | C APFELMAENNCHEN-PROGRAMM, 02.APRIL.2006 PHILIPP HACHTMANN |
2 | C INTERMEDIATE VERSION |
3 | C |
4 | C THIS VERSION SHOULD RUN A BIT FASTER BECAUSE THE SQUARE |
5 | C ROOT IS OMMITTED. |
6 | C |
7 | C SWITCH SETTINGS: |
8 | C SENSE-SWITCH 1: IF SET, ASK FOR PARAMETERS |
9 | C SENSE-SWITCH 2: IF SET, DON'T PRINT PARAMETERS ON START |
10 | C SENSE-SWITCH 3: IF SET, RESTORE PARAMETERS TO DEFAULT VALUES |
11 | C |
12 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
13 | C COMMON BLOCK DECLARATIONS |
14 | C |
15 | INTEGER MAXI,WIDTH,CR,LF,POSI,NEGA |
16 | COMMON /PARAM2/MAXI,WIDTH,CR,LF,POSI,NEGA |
17 | C |
18 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
19 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
20 | C |
21 | INTEGER INIT |
22 | COMMON /PARAM3/INIT |
23 | C |
24 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
25 | C START MESSAGE |
26 | 100 WRITE (1,10) |
27 | 10 FORMAT (46HMANDELBROT-DEMO 3RC1 02.04.2006, PH. HACHTMANN, |
28 | + 20H - PRELIMIMARY ISSUE) |
29 | C |
30 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
31 | C CONFIGURATION |
32 | CCCCCC RESET DO DEFAULT VALUES? |
33 | 110 CALL SSWTCH(3,I) |
34 | IF (I.EQ.1) CALL RST |
35 | C |
36 | CCCCCC ON THE FIRST START OR IF DESIRED |
37 | IF(INIT.EQ.0) CALL STVAL |
38 | C |
39 | CCCCCC DO WE HAVE TO ASK FOR PARAMETERS? |
40 | CALL SSWTCH(1,I) |
41 | IF (I.EQ.1) CALL GETCFG |
42 | C |
43 | CCCCCC OUTPUT SETTINGS? |
44 | CALL SSWTCH(2,I) |
45 | IF(I.EQ.2) CALL OUTCFG |
46 | C |
47 | WRITE (1,55) |
48 | 55 FORMAT (1H0) |
49 | C |
50 | CALL CALC2 |
51 | C |
52 | WRITE(1, 60) |
53 | 60 FORMAT (5HREADY) |
54 | C |
55 | CCCCCC BREAK WITH 7 in A REG, THEN START OVER |
56 | PAUSE 7 |
57 | GO TO 100 |
58 | END |
59 | C END OF MAIN PROGRAM |
60 | C |
61 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
62 | CCCCCC THE MANDELBROT SET CALCULATION |
63 | SUBROUTINE CALC2 |
64 | C |
65 | INTEGER MAXI,WIDTH,CR,LF |
66 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
67 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
68 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
69 | REAL CMPAVL |
70 | REAL ZR,ZI,ZRN |
71 | REAL X,Y |
72 | INTEGER COUNT |
73 | C |
74 | CCCCCC ENTER THE CALCULATION |
75 | 299 CMPVAL=MAXVAL*MAXVAL |
76 | X=LOWX |
77 | Y=HIGHY |
78 | C |
79 | CCCCCC EINSTIEG IN DEN AKTUELLEN PUNKT |
80 | 300 COUNT=0 |
81 | ZR=0.0 |
82 | ZI=0.0 |
83 | C |
84 | CCCCCC HIER DER ITERIERTE TEIL |
85 | C |
86 | 400 ZRN=ZR*ZR-ZI*ZI+X |
87 | ZI=2.0*ZR*ZI+Y |
88 | ZR=ZRN |
89 | C |
90 | IF ((ZR*ZR+ZI*ZI).GE.CMPVAL) GO TO 410 |
91 | COUNT=COUNT+1 |
92 | IF (COUNT.GE.MAXI) GO TO 410 |
93 | GO TO 400 |
94 | C |
95 | CCCCCC PUNKT FERTIG |
96 | 410 NOUT=32 |
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97 | C IF (COUNT.GE.8) NOUT=46 |
98 | C IF (COUNT.GE.23) NOUT=43 |
99 | C IF (COUNT.EQ.MAXI) NOUT=64 |
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100 | IF (COUNT.GE.8) NOUT=46 |
101 | IF (COUNT.GE.23) NOUT=43 |
102 | IF (COUNT.EQ.MAXI) NOUT=64 |
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103 | |
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104 | 411 CALL PCHAR(NOUT) |
105 | GO TO 500 |
106 | C |
107 | CCCCCC NEUEN PUNKT MACHEN |
108 | 500 X = X + XSTEP |
109 | CCCCCC ZEILE NOCH NICHT VOLL? |
110 | IF (X.LE.HIGHX) GO TO 300 |
111 | CCCCCC X AN ANFANG SETZTEN, CR+LF DRUCKEN |
112 | X = LOWX |
113 | CALL PCHAR(CR) |
114 | CALL PCHAR(LF) |
115 | CCCCCC Y WEITERRUECKEN - NEGATIV WEIL WIR VON OBEN KOMMEN |
116 | Y=Y-YSTEP |
117 | IF (Y.GE.LOWY) GO TO 300 |
118 | C |
119 | CCCCCC HIER IST DAS BILD FERTIG. |
120 | RETURN |
121 | END |
122 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
123 | CCCCCC STARTWERTE AUSFUELLEN |
124 | SUBROUTINE STVAL |
125 | C |
126 | INTEGER MAXI,WIDTH,CR,LF |
127 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
128 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
129 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
130 | INTEGER INIT |
131 | COMMON /PARAM3/INIT |
132 | C |
133 | CR = 13 |
134 | LF = 10 |
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135 | WIDTH = 68 |
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136 | MAXI = 60 |
137 | MAXVAL = 2.0 |
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138 | LOWX =-1.48 |
139 | HIGHX = 0.5 |
140 | LOWY =-1.2 |
141 | HIGHY = 1.2 |
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142 | INIT = 1 |
143 | C |
144 | CCCCCC SCHRITTWEITEN AUSRECHNEN |
145 | XSTEP = (HIGHX-LOWX)/FLOAT(WIDTH) |
146 | YSTEP = 2.0 * XSTEP |
147 | C |
148 | WRITE (1,1500) |
149 | 1500 FORMAT (20HDEFAULT VALUES USED.) |
150 | RETURN |
151 | END |
152 | C |
153 | C |
154 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
155 | CCCCCC EINSTELLUNGEN EINLESEN |
156 | SUBROUTINE GETCFG |
157 | C |
158 | INTEGER MAXI,WIDTH,CR,LF |
159 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
160 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
161 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
162 | C |
163 | REAL XIN1,XIN2,YIN1,YIN2 |
164 | C |
165 | WRITE(1,11) |
166 | READ (1,16) XIN1 |
167 | WRITE(1,12) |
168 | READ (1,16) XIN2 |
169 | WRITE(1,13) |
170 | READ (1,16) YIN1 |
171 | WRITE(1,14) |
172 | READ (1,16) YIN2 |
173 | WRITE(1,15) |
174 | READ (1,17) MAXI |
175 | C |
176 | 11 FORMAT(14H X FROM : ) |
177 | 12 FORMAT(14H TO : ) |
178 | 13 FORMAT(14H Y FROM : ) |
179 | 14 FORMAT(14H TO : ) |
180 | 15 FORMAT(14H MAXIT (I3): ) |
181 | 16 FORMAT(F12.0) |
182 | 17 FORMAT(I3) |
183 | C |
184 | CCCCCC EVENTUELL STARTWERTE TAUSCHEN: |
185 | CCCCCC WENN XIN2 GROESSER IST OK, ANSONSTEN TAUSCHEN |
186 | 150 I F(XIN2.GT.XIN1) GO TO 200 |
187 | TEMP = XIN1 |
188 | XIN1 = XIN2 |
189 | XIN2 = TEMP |
190 | C |
191 | CCCCCC WENN YIN2 GROESSER IST OK, ANSONSTEN TAUSCHEN |
192 | 200 IF(YIN2.GT.YIN1) GO TO 201 |
193 | TEMP = YIN1 |
194 | YIN1 = YIN2 |
195 | YIN2 = TEMP |
196 | C |
197 | CCCCCC WERTE UEBERNEHMEN |
198 | 201 LOWX = XIN1 |
199 | HIGHX = XIN2 |
200 | LOWY = YIN1 |
201 | HIGHY = YIN2 |
202 | C |
203 | CCCCCC SCHRITTWEITEN AUSRECHNEN |
204 | XSTEP = (HIGHX-LOWX)/FLOAT(WIDTH) |
205 | YSTEP = 2.0 * XSTEP |
206 | C |
207 | RETURN |
208 | END |
209 | C |
210 | C |
211 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
212 | CCCCCC EINSTELLUNGEN AUSGEBEN |
213 | SUBROUTINE OUTCFG |
214 | C |
215 | INTEGER MAXI,WIDTH,CR,LF |
216 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
217 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
218 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
219 | C |
220 | WRITE (1,20) |
221 | 20 FORMAT (9HSETTINGS:) |
222 | WRITE (1,30) LOWX, HIGHX |
223 | 30 FORMAT (12HX-WERTE VON ,1F8.5,5H BIS ,1F8.5) |
224 | WRITE (1,40) LOWY, HIGHY |
225 | 40 FORMAT (12HY-WERTE VON ,F8.5,5H BIS ,F8.5) |
226 | WRITE (1,50) MAXI, MAXVAL, XSTEP, YSTEP, WIDTH |
227 | 50 FORMAT ( 4HMAX:,I3, |
228 | + 8H MAXVAL:,F8.5, |
229 | + 7H XSTEP:,F8.5, |
230 | + 7H YSTEP:,F8.5, |
231 | + 7H WIDTH:,I2) |
232 | RETURN |
233 | END |
234 | C |
235 | C |
236 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
237 | CCCCCC RUECKSETZEN |
238 | SUBROUTINE RST |
239 | C |
240 | INTEGER MAXI,WIDTH,CR,LF |
241 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
242 | C |
243 | WRITE(1,245) |
244 | 245 FORMAT(25HPARAMETER RESET REQUESTED) |
245 | INIT=0 |
246 | RETURN |
247 | END |
248 | C |
249 | C |
250 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
251 | C PRELOAD VALUE OF INIT |
252 | BLOCK DATA |
253 | INTEGER INIT |
254 | COMMON /PARAM3/INIT |
255 | DATA INIT/0/ |
256 | END |
257 | CCCCCCCCCCCCCCCCCCCCCCCC |
258 | $0 |