* - Maik Haeberlen. Diplomarbeit, Universitaet Augsburg.
*/
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
+#include <unistd.h>
/* important defines */
#include "defines.h"
#include "display.h"
/* global variables */
+u32 *rand_buf,*rand_current;
+char random_file[MAX_CHARS_RANDOM_FILE];
u32 gr;
int random_fd; /* /dev/urandom file descriptor */
printf("-p <value> \t p0 for probability of cell getting amorph (default %f)\n",DEFAULT_A_P_P0);
printf("-C <value> \t C start concentration (default %d)\n",DEFAULT_C_DIST_START_CONC);
printf("-S <value> \t slope of linear C distribution (default %d)\n",DEFAULT_C_DIST_SLOPE);
+ puts("-R <file> \t read random data from file (default not used)");
+ puts("-D <file> \t dump cell info into <file> (default not used)");
+ puts("-L <file> \t load cell info and display it (default no)");
return -23;
}
return 23;
}
-int distrib_c_conc(cell *cell_p,int c_c0,int c_slope,u32 c_conc,u32 x_max,u32 y_max,u32 z_max)
+int load_from_file(char *file,display *display)
{
- /* cryst. c to distribute */
+ int load_file_fd;
+
+ if((load_file_fd=open(file,O_RDONLY))<0)
+ {
+ puts("cannot open load file");
+ return -23;
+ }
+ if(read(load_file_fd,&(display->max_x),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed reading max x");
+ return-23;
+ }
+ if(read(load_file_fd,&(display->max_y),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed reading max y");
+ return -23;
+ }
+ if(read(load_file_fd,&(display->max_z),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed reading max z");
+ return -23;
+ }
+ if(read(load_file_fd,display->cell_p,display->max_x*display->max_y*display->max_z*sizeof(cell))<display->max_x*display->max_y*display->max_z*sizeof(cell))
+ {
+ puts("failed reading cell info from file");
+ return -23;
+ }
+ close(load_file_fd);
+ puts("loaded file");
+ return 23;
+}
+int save_to_file(char *file,display *display)
+{
+ int save_file_fd;
+
+ if((save_file_fd=open(file,O_CREAT|O_WRONLY|O_TRUNC))<0)
+ {
+ puts("cannot open save file");
+ return -23;
+ }
+ if(write(save_file_fd,&(display->max_x),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed saving max x");
+ return -23;
+ }
+ if(write(save_file_fd,&(display->max_y),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed saving max y");
+ return -23;
+ }
+ if(write(save_file_fd,&(display->max_z),sizeof(u32))<sizeof(u32))
+ {
+ puts("failed saving max z");
+ return -23;
+ }
+ if(write(save_file_fd,display->cell_p,display->max_x*display->max_y*display->max_z*sizeof(cell))!=display->max_x*display->max_y*display->max_z*sizeof(cell))
+ {
+ puts("saving file failed");
+ return -23;
+ }
+ close(save_file_fd);
+ puts("saved file");
+ return 23;
+}
+
+int distrib_c_conc(cell *cell_p,int c_c0,int c_slope,u32 c_conc,u32 x_max,u32 y_max,u32 z_max)
+{
int i,j;
- u32 area,c_area,total;
+ u32 area,c_area,total,count;
u32 x,y,z,sum_c_z;
total=0;
for(i=0;i<z_max;i++)
{
+ count=0;
c_area=(c_conc*(c_c0+(i+1)*c_slope))/sum_c_z;
for(j=0;j<area;j++)
- {
+ {
+ if(!(cell_p+j+i*area)->status&AMORPH) count++;
+ }
+ for(j=0;j<area;j++)
+ {
if(!(cell_p+j+i*area)->status&AMORPH)
{
- (cell_p+j+i*area)->conc=c_area/area;
- total+=c_area/area;
+ (cell_p+j+i*area)->conc=c_area/count;
+ total+=c_area/count;
}
}
j=0;
- while(j<c_area%area)
+ while(j<c_area%count)
{
x=rand_get(x_max);
y=rand_get(y_max);
cell *this_cell;
int i,j,k;
double pressure;
+
this_cell=cell_p+x+y*x_max+z*x_max*y_max;
pressure=p0*URAND_2BYTE_MAX;
+
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))
+ // z relaxation, no pressure in z direction
+ // for(k=-range;k<=range;k++)
+ // {
+ if(!(i==0 && j==0)) // && k==0))
{
- // if((cell_p+((x+x_max+i)%x_max)+((y+j+y_max)%y_max)*x_max+((z+k+z_max)%z_max)*x_max*y_max)->status&AMORPH) pressure+=(cell_p+((x+x_max+i)%x_max)+((y+j+y_max)%y_max)*x_max+((z+k+z_max)%z_max)*x_max*y_max)->conc*faktor*URAND_2BYTE_MAX/(i*i+j*j+k*k);
- if((cell_p+((x+x_max+i)%x_max)+((y+j+y_max)%y_max)*x_max+((z+k+z_max)%z_max)*x_max*y_max)->status&AMORPH) pressure+=faktor*URAND_2BYTE_MAX/(i*i+j*j+k*k);
+ // if((cell_p+((x+x_max+i)%x_max)+((y+j+y_max)%y_max)*x_max+((z+k+z_max)%z_max)*x_max*y_max)->status&AMORPH) pressure+=faktor*URAND_2BYTE_MAX/(i*i+j*j+k*k);
+ if((cell_p+((x+x_max+i)%x_max)+((y+j+y_max)%y_max)*x_max+z*x_max*y_max)->status&AMORPH) pressure+=faktor*URAND_2BYTE_MAX/(i*i+j*j);
}
- }
+ // }
}
}
+ pressure*=this_cell->conc;
if(this_cell->status&AMORPH)
{
/* wrong probability! just test by now ...*/
u32 display_x,display_y,display_z; /* intercept point of diplayed areas */
u32 display_refresh_rate; /* refresh rate for display */
int quit=0; /* continue/quit status */
+ char save_file[MAX_CHARS_SAVE_FILE];
+ char load_file[MAX_CHARS_LOAD_FILE];
printfd("debug: sizeof my u32 variable: %d\n",sizeof(u32));
printfd("debug: sizeof my cell struct: %d\n",sizeof(cell));
display_y=y_cell/2;
display_z=z_cell/2;
display_refresh_rate=DEFAULT_DISPLAY_REF_RATE;
+ strcpy(random_file,"");
+ strcpy(save_file,"");
+ strcpy(load_file,"");
/* parse command args */
for(i=1;i<argc;i++)
case 'S':
c_dist_slope=atoi(argv[++i]);
break;
+ case 'R':
+ strcpy(random_file,argv[++i]);
+ break;
+ case 'D':
+ strcpy(save_file,argv[++i]);
+ break;
+ case 'L':
+ strcpy(load_file,argv[++i]);
+ break;
default:
usage();
return -23;
}
/* open random fd */
- if((random_fd=open("/dev/urandom",O_RDONLY))<0)
+ if(!strcmp(random_file,""))
+ {
+ if((random_fd=open("/dev/urandom",O_RDONLY))<0)
+ {
+ puts("cannot open /dev/urandom");
+ return -23;
+ }
+ } else
{
- puts("cannot open /dev/urandom\n");
+ if((random_fd=open(random_file,O_RDONLY))<0)
+ {
+ puts("cannot open random file");
+ return -23;
+ }
+ }
+ /* allocate random number buffer */
+ printf("malloc will free %d bytes now ...\n",RAND_BUF_SIZE);
+ if((rand_buf=(u32 *)malloc(RAND_BUF_SIZE))==NULL)
+ {
+ puts("failed allocating memory for random numbers");
return -23;
}
+ rand_current=rand_buf+RAND_BUF_SIZE;
/* calculate gr one time! */
gr=0;
printf("malloc will free %d bytes now ...\n",x_cell*y_cell*z_cell*sizeof(cell));
if((cell_p=(cell *)malloc(x_cell*y_cell*z_cell*sizeof(cell)))==NULL)
{
- puts("failed allocating memory for cells\n");
+ puts("failed allocating memory for cells");
return -23;
}
memset(cell_p,0,x_cell*y_cell*z_cell*sizeof(cell));
+ /* load from file */
+ if(strcmp(load_file,""))
+ {
+ display.cell_p=cell_p;
+ load_from_file(load_file,&display);
+ x_cell=display.max_x;
+ y_cell=display.max_y;
+ z_cell=display.max_z;
+ }
+
/* init display */
printfd("debug: init display now ...\n");
display_init(x_cell,y_cell,z_cell,&display,cell_p,&argc,argv);
/* main routine */
+
+ /* did we load from file? */
+ if(!strcmp(load_file,""))
+ {
+
printfd("debug: starting main routine ...\n");
- for(i=0;i<steps;i++)
+ for(display.step=0;display.step<steps;display.step++)
{
x=rand_get(x_cell);
y=rand_get(y_cell);
z=rand_get_lgp(slope_nel,start_nel,z_cell);
- /* todo */
- // distrib_c_conc(cell_p,c_dist_c0,c_dist_slope,c_conc,x_cell,y_cell,z_cell);
+ /* distribute c concentration */
+ distrib_c_conc(cell_p,c_dist_c0,c_dist_slope,c_conc,x_cell,y_cell,z_cell);
- // process_cell(cell_p+x+y*x_cell+z*x_cell*y_cell);
process_cell(cell_p,x,y,z,x_cell,y_cell,z_cell,a_p_range,a_p_faktor,a_p_p0,&c_conc);
/* display stuff */
- if((i%display_refresh_rate)==0)
+ if((display.step%display_refresh_rate)==0)
display_draw(&display,display_x,display_y,display_z);
}
+
+ }
+
+ if(strcmp(save_file,"")) save_to_file(save_file,&display);
+
printfd("debug: main routine finished!\n");
/* display again and listen for events */