*
* refs:
* - J. K. N. Lindner. Habilationsschrift, Universitaet Augsburg.
- * - Maik Hรคberlen. Diplomarbeit, Universitaet Augsburg.
+ * - Maik Haeberlen. Diplomarbeit, Universitaet Augsburg.
*/
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+/* important defines */
+#include "defines.h"
+
+/* function prototypes */
+#include "random.h"
+#include "display.h"
+
+/* global variables */
+u32 sum_z_cells;
+int random_fd; /* /dev/urandom file descriptor */
+
+int usage()
+{
+ puts("usage:");
+ puts("-h: help");
+ puts("-a <value> \t slope of nuclear energy loss (default 1)");
+ puts("-c <value> \t nuclear enery loss at depths 0 (default 0)");
+ puts("-x <value> \t # x cells (default 50)");
+ puts("-y <value> \t # y cells (default 50)");
+ puts("-z <value> \t # z cells (default 100)");
+ puts("-s <value> \t # steps to calculate (default 5000)");
+ puts("-X <value> \t display area intercept point x (default # x celss / 2)");
+ puts("-Y <value> \t display area intercept point y (default # y cells / 2)");
+ puts("-Z <value> \t display area intercept point z (default # z cells / 2)");
+ puts("-d <value> \t refresh every <value> loops (default 100)");
+ puts("-r <value> \t pressure range from amorphous SiCx (default 2)");
+ puts("-f <value> \t faktor for pressure from amorphous SiCx (default 1)");
+ return -23;
+}
+
+int make_amorph(u32 *cell)
+{
+ *cell|=AMORPH;
+ return 23;
+}
+
+int make_cryst(u32 *cell)
+{
+ *cell&=~AMORPH;
+ return 23;
+}
+
+/* look at cell ... */
+int process_cell(void *cell_p,u32 x,u32 y,u32 z,u32 x_max,u32 y_max,u32 z_max,int range,int faktor)
+{
+ /* is amorph? */
+ u32 *cell;
+ int i,j,k;
+ float count;
+ cell=(u32 *)(cell_p+x+y*(x_max-1)+z*(x_max-1)*(y_max-1));
+ count=0;
+ for(i=-range;i<=range;i++)
+ for(j=-range;j<=range;j++)
+ for(k=-range;k<=range;k++)
+ if(!(i==0 && j==0 && k==0) && (x>=range && x<x_max-range) \
+ && (y>=range && y<y_max-range) && (z>=range && z<z_max-range))
+ if(*(u32 *)(cell_p+(x+i)+(y+j)*(x_max-1)+(z+k)*(x_max-1)*(y_max-1))&AMORPH)
+ // total+=range*range-
+ count+=0.01*faktor*1.0/(i*i+j*j+k*k);
+ /* count is propability of cell getting amorph */
+ /* for now assume 1 - ~ is propability of cell getting cryst if allready amorphous */
+ if(*cell&AMORPH)
+ {
+ if((1-count)*URAND_2_MAX<=rand_get(URAND_2_MAX))
+ {
+ printfd("cell getting cryst. ...(%f)\n",(1-count));
+ make_cryst(cell);
+ }
+ } else
+ {
+ if(count*URAND_2_MAX<=rand_get(URAND_2_MAX))
+ {
+ printfd("cell getting amorph ...(%f)\n",count);
+ make_amorph(cell);
+ }
+ }
+ return 23;
+}
+
+int main(int argc,char **argv)
+{
+ u32 x_cell,y_cell,z_cell; /* amount of segments */
+ u32 x,y,z; /* cells */
+ int i; /* for counting */
+ int slope_nel,start_nel; /* nuclear energy loss: slope, constant */
+ int a_p_range,a_p_faktor; /* pressure range and faktor from amorphous sic */
+ int steps; /* # steps */
+ void *cell_p;
+ struct __display display;
+ u32 display_x,display_y,display_z; /* intercept point of diplayed areas */
+ u32 display_refresh_rate; /* refresh rate for display */
+
+ /* default values */
+ x_cell=DEFAULT_X_SEG;
+ y_cell=DEFAULT_Y_SEG;
+ z_cell=DEFAULT_Z_SEG;
+ slope_nel=DEFAULT_SLOPE_NEL;
+ start_nel=DEFAULT_START_NEL;
+ a_p_range=DEFAULT_A_P_RANGE;
+ a_p_faktor=DEFAULT_A_P_FAKTOR;
+ steps=DEFAULT_STEPS;
+ display_x=x_cell/2;
+ display_y=y_cell/2;
+ display_z=z_cell/2;
+ display_refresh_rate=DEFAULT_DISPLAY_REF_RATE;
+
+ /* parse command args */
+ for(i=1;i<argc;i++)
+ {
+ if(argv[i][0]=='-')
+ {
+ switch(argv[i][1])
+ {
+ case 'h':
+ usage();
+ return 23;
+ break;
+ case 'a':
+ slope_nel=atoi(argv[++i]);
+ break;
+ case 'c':
+ start_nel=atoi(argv[++i]);
+ break;
+ case 'x':
+ x_cell=atoi(argv[++i]);
+ break;
+ case 'y':
+ y_cell=atoi(argv[++i]);
+ break;
+ case 'z':
+ z_cell=atoi(argv[++i]);
+ break;
+ case 's':
+ steps=atoi(argv[++i]);
+ break;
+ case 'X':
+ display_x=atoi(argv[++i]);
+ break;
+ case 'Y':
+ display_y=atoi(argv[++i]);
+ break;
+ case 'Z':
+ display_z=atoi(argv[++i]);
+ break;
+ case 'd':
+ display_refresh_rate=atoi(argv[++i]);
+ break;
+ case 'r':
+ a_p_range=atoi(argv[++i]);
+ break;
+ case 'f':
+ a_p_faktor=atoi(argv[++i]);
+ break;
+ default:
+ usage();
+ return -23;
+ }
+ } else usage();
+ }
+
+ /* open random fd */
+ if((random_fd=open("/dev/urandom",O_RDONLY))<0)
+ {
+ puts("cannot open /dev/urandom\n");
+ return -23;
+ }
+
+ /* calculate sum_z_cells one time! */
+ sum_z_cells=0;
+ for(i=1;i<=z_cell;i++) sum_z_cells+=(start_nel+i*slope_nel);
+ printfd("debug: sum z cells -> %d\n",sum_z_cells);
+
+
+ /* testing ... */
+
+ /* allocate cells */
+ printf("malloc will free %d bytes now ...\n",x_cell*y_cell*z_cell*sizeof(u32));
+ if((cell_p=malloc(x_cell*y_cell*z_cell*sizeof(u32)))==NULL)
+ {
+ puts("failed allocating memory for cells\n");
+ return -23;
+ }
+ memset(cell_p,0,x_cell*y_cell*z_cell*sizeof(u32));
+
+ /* init display */
+ display_init(x_cell,y_cell,z_cell,&display,cell_p,&argc,argv);
+
+ /* main routine */
+ for(i=0;i<steps;i++)
+ {
+ x=rand_get(x_cell);
+ y=rand_get(y_cell);
+ z=rand_get_lgp(slope_nel,start_nel);
+
+ /* todo */
+ // distrib_c_conc(cell_p);
+
+ // process_cell((u32 *)(cell_p+x+y*(x_cell-1)+z*(x_cell-1)*(y_cell-1)));
+ process_cell(cell_p,x,y,z,x_cell,y_cell,z_cell,a_p_range,a_p_faktor);
+
+ /* display stuff */
+ if((i%display_refresh_rate)==0)
+ display_draw(&display,display_x,display_y,display_z);
+ }
+
+ /* display again and quit when button hit */
+ display_draw(&display,display_x,display_y,display_z);
+ puts("hit button to quit ...");
+ getchar();
+
+ display_release(&display);
+
+ return 23;
+}
projects / physik / morpheus.git / blobdiff