| fcb7b340 |
1 | C APFELMAENNCHEN-PROGRAMM, 06.FEBRUARY.2007 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 CONFIGURATION |
| 26 | CCCCCC RESET DO DEFAULT VALUES? |
| 27 | 110 CALL SSWTCH(3,I) |
| 28 | IF (I.EQ.1) CALL RST |
| 29 | C |
| 30 | CCCCCC ON THE FIRST START OR IF DESIRED |
| 31 | IF(INIT.EQ.0) CALL STVAL |
| 32 | C |
| 33 | CCCCCC DO WE HAVE TO ASK FOR PARAMETERS? |
| 34 | CALL SSWTCH(1,I) |
| 35 | IF (I.EQ.1) CALL GETCFG |
| 36 | C |
| 37 | CCCCCC OUTPUT SETTINGS? |
| 38 | CALL SSWTCH(2,I) |
| 39 | IF(I.EQ.2) CALL OUTCFG |
| 40 | C |
| 41 | WRITE (1,55) |
| 42 | 55 FORMAT (1H0) |
| 43 | C |
| 44 | CALL CALC2 |
| 45 | C |
| 46 | WRITE(1, 60) |
| 47 | 60 FORMAT (5HREADY) |
| 48 | C |
| 49 | PAUSE 7 |
| 50 | GO TO 110 |
| 51 | END |
| 52 | C END OF MAIN PROGRAM |
| 53 | C |
| 54 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 55 | CCCCCC THE MANDELBROT SET CALCULATION |
| 56 | SUBROUTINE CALC2 |
| 57 | C |
| 58 | INTEGER MAXI,WIDTH,CR,LF |
| 59 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
| 60 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 61 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 62 | REAL CMPAVL |
| 63 | REAL ZR,ZI,ZRN |
| 64 | REAL X,Y |
| 65 | INTEGER COUNT |
| 66 | C |
| 67 | CCCCCC ENTER THE CALCULATION |
| 68 | 299 CMPVAL=MAXVAL*MAXVAL |
| 69 | X=LOWX |
| 70 | Y=HIGHY |
| 71 | C |
| 72 | CCCCCC EINSTIEG IN DEN AKTUELLEN PUNKT |
| 73 | 300 COUNT=0 |
| 74 | ZR=0.0 |
| 75 | ZI=0.0 |
| 76 | C |
| 77 | CCCCCC HIER DER ITERIERTE TEIL |
| 78 | C |
| 79 | 400 ZRN=ZR*ZR-ZI*ZI+X |
| 80 | ZI=2.0*ZR*ZI+Y |
| 81 | ZR=ZRN |
| 82 | C |
| 83 | IF ((ZR*ZR+ZI*ZI).GE.CMPVAL) GO TO 410 |
| 84 | COUNT=COUNT+1 |
| 85 | IF (COUNT.GE.MAXI) GO TO 410 |
| 86 | GO TO 400 |
| 87 | C |
| 88 | CCCCCC PUNKT FERTIG |
| 89 | 410 IF (COUNT.EQ.MAXI) CALL BLACK |
| 90 | IF (COUNT.LT.MAXI) CALL WHITE |
| 91 | CCCCCC NEUEN PUNKT MACHEN |
| 92 | 500 X = X + XSTEP |
| 93 | CCCCCC ZEILE NOCH NICHT VOLL? |
| 94 | IF (X.LE.HIGHX) GO TO 300 |
| 95 | CCCCCC X AN ANFANG SETZTEN, CR+LF DRUCKEN |
| 96 | X = LOWX |
| 97 | CALL PLOTR |
| 98 | C |
| 99 | C |
| 100 | CCCCCC Y WEITERRUECKEN - NEGATIV WEIL WIR VON OBEN KOMMEN |
| 101 | Y=Y-YSTEP |
| 102 | IF (Y.GE.LOWY) GO TO 300 |
| 103 | C |
| 104 | CCCCCC HIER IST DAS BILD FERTIG. |
| 105 | RETURN |
| 106 | END |
| 107 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 108 | SUBROUTINE PLOTI |
| 109 | INTEGER PEN,PENX |
| 110 | COMMON /PENSTA/PEN,PENX |
| 111 | CALL PL$UP |
| 112 | PEN=0 |
| 113 | PENX=0 |
| 114 | RETURN |
| 115 | END |
| 116 | C |
| 117 | SUBROUTINE BLACK |
| 118 | INTEGER PEN,PENX |
| 119 | COMMON /PENSTA/PEN,PENX |
| 120 | CALL PL$R |
| 121 | IF (PEN.EQ.0) CALL PL$PD |
| 122 | PEN=1 |
| 123 | CALL PL$UP |
| 124 | CALL PL$R |
| 125 | CALL PL$DN |
| 126 | PENX=PENX+2 |
| 127 | RETURN |
| 128 | END |
| 129 | C |
| 130 | SUBROUTINE WHITE |
| 131 | INTEGER PEN,PENX |
| 132 | COMMON /PENSTA/PEN,PENX |
| 133 | IF (PEN.EQ.1) CALL PL$PU |
| 134 | PEN=0 |
| 135 | CALL PL$R |
| 136 | CALL PL$R |
| 137 | PENX=PENX+2 |
| 138 | RETURN |
| 139 | END |
| 140 | C |
| 141 | SUBROUTINE PLOTR |
| 142 | INTEGER PEN,PENX |
| 143 | COMMON /PENSTA/PEN,PENX |
| 144 | CALL WHITE |
| 145 | 8000 IF (PENX.EQ.0) GO TO 8100 |
| 146 | CALL PL$L |
| 147 | PENX=PENX-1 |
| 148 | GO TO 8000 |
| 149 | 8100 CONTINUE |
| 150 | CALL PL$DN |
| 151 | CALL PL$DN |
| 152 | RETURN |
| 153 | END |
| 154 | C |
| 155 | CCCCCC STARTWERTE AUSFUELLEN |
| 156 | SUBROUTINE STVAL |
| 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 | INTEGER INIT |
| 163 | COMMON /PARAM3/INIT |
| 164 | C |
| 165 | CR = 13 |
| 166 | LF = 10 |
| 167 | WIDTH = 100 |
| 168 | MAXI = 50 |
| 169 | MAXVAL = 2.0 |
| 170 | LOWX =-1.48 |
| 171 | HIGHX = 0.5 |
| 172 | LOWY =-1.2 |
| 173 | HIGHY = 1.2 |
| 174 | INIT = 1 |
| 175 | C |
| 176 | CCCCCC SCHRITTWEITEN AUSRECHNEN |
| 177 | XSTEP = (HIGHX-LOWX)/FLOAT(WIDTH) |
| 178 | YSTEP = XSTEP |
| 179 | C |
| 180 | WRITE (1,1500) |
| 181 | 1500 FORMAT (20HDEFAULT VALUES USED.) |
| 182 | RETURN |
| 183 | END |
| 184 | C |
| 185 | C |
| 186 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 187 | CCCCCC EINSTELLUNGEN EINLESEN |
| 188 | SUBROUTINE GETCFG |
| 189 | C |
| 190 | INTEGER MAXI,WIDTH,CR,LF |
| 191 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
| 192 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 193 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 194 | C |
| 195 | REAL XIN1,XIN2,YIN1,YIN2 |
| 196 | C |
| 197 | WRITE(1,11) |
| 198 | READ (1,16) XIN1 |
| 199 | WRITE(1,12) |
| 200 | READ (1,16) XIN2 |
| 201 | WRITE(1,13) |
| 202 | READ (1,16) YIN1 |
| 203 | WRITE(1,14) |
| 204 | READ (1,16) YIN2 |
| 205 | WRITE(1,15) |
| 206 | READ (1,17) MAXI |
| 207 | C |
| 208 | 11 FORMAT(14H X FROM : ) |
| 209 | 12 FORMAT(14H TO : ) |
| 210 | 13 FORMAT(14H Y FROM : ) |
| 211 | 14 FORMAT(14H TO : ) |
| 212 | 15 FORMAT(14H MAXIT (I3): ) |
| 213 | 16 FORMAT(F12.0) |
| 214 | 17 FORMAT(I3) |
| 215 | C |
| 216 | CCCCCC EVENTUELL STARTWERTE TAUSCHEN: |
| 217 | CCCCCC WENN XIN2 GROESSER IST OK, ANSONSTEN TAUSCHEN |
| 218 | 150 I F(XIN2.GT.XIN1) GO TO 200 |
| 219 | TEMP = XIN1 |
| 220 | XIN1 = XIN2 |
| 221 | XIN2 = TEMP |
| 222 | C |
| 223 | CCCCCC WENN YIN2 GROESSER IST OK, ANSONSTEN TAUSCHEN |
| 224 | 200 IF(YIN2.GT.YIN1) GO TO 201 |
| 225 | TEMP = YIN1 |
| 226 | YIN1 = YIN2 |
| 227 | YIN2 = TEMP |
| 228 | C |
| 229 | CCCCCC WERTE UEBERNEHMEN |
| 230 | 201 LOWX = XIN1 |
| 231 | HIGHX = XIN2 |
| 232 | LOWY = YIN1 |
| 233 | HIGHY = YIN2 |
| 234 | C |
| 235 | CCCCCC SCHRITTWEITEN AUSRECHNEN |
| 236 | XSTEP = (HIGHX-LOWX)/FLOAT(WIDTH) |
| 237 | YSTEP = 2.0 * XSTEP |
| 238 | C |
| 239 | RETURN |
| 240 | END |
| 241 | C |
| 242 | C |
| 243 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 244 | CCCCCC EINSTELLUNGEN AUSGEBEN |
| 245 | SUBROUTINE OUTCFG |
| 246 | C |
| 247 | INTEGER MAXI,WIDTH,CR,LF |
| 248 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
| 249 | REAL LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 250 | COMMON /PARAM1/LOWX,LOWY,HIGHX,HIGHY,MAXVAL,XSTEP,YSTEP |
| 251 | C |
| 252 | WRITE (1,20) |
| 253 | 20 FORMAT (9HSETTINGS:) |
| 254 | WRITE (1,30) LOWX, HIGHX |
| 255 | 30 FORMAT (12HX-WERTE VON ,1F8.5,5H BIS ,1F8.5) |
| 256 | WRITE (1,40) LOWY, HIGHY |
| 257 | 40 FORMAT (12HY-WERTE VON ,F8.5,5H BIS ,F8.5) |
| 258 | WRITE (1,50) MAXI, MAXVAL, XSTEP, YSTEP, WIDTH |
| 259 | 50 FORMAT ( 4HMAX:,I3, |
| 260 | + 8H MAXVAL:,F8.5, |
| 261 | + 7H XSTEP:,F8.5, |
| 262 | + 7H YSTEP:,F8.5, |
| 263 | + 7H WIDTH:,I2) |
| 264 | RETURN |
| 265 | END |
| 266 | C |
| 267 | C |
| 268 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 269 | CCCCCC RUECKSETZEN |
| 270 | SUBROUTINE RST |
| 271 | C |
| 272 | INTEGER MAXI,WIDTH,CR,LF |
| 273 | COMMON /PARAM2/MAXI,WIDTH,CR,LF |
| 274 | C |
| 275 | WRITE(1,245) |
| 276 | 245 FORMAT(25HPARAMETER RESET REQUESTED) |
| 277 | INIT=0 |
| 278 | RETURN |
| 279 | END |
| 280 | C |
| 281 | C |
| 282 | CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC |
| 283 | C PRELOAD VALUE OF INIT |
| 284 | BLOCK DATA |
| 285 | INTEGER INIT |
| 286 | COMMON /PARAM3/INIT |
| 287 | DATA INIT/0/ |
| 288 | END |
| 289 | CCCCCCCCCCCCCCCCCCCCCCCC |
| 290 | $0 |
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