int main(void) {
char c;
init_robot();
fflush(stdin);
printf("Usage: %c to exit, %c to move forward, %c to move backward, %c to rotate to left, %c to rotate to right!\n\n", EXIT_S, MF_S, MB_S, RL_S, RR_S);
print_world();
scanf("%c", &c);
while(c != EXIT_S) {
switch(c) {
case MF_S:
move_robot(MOVE_FWD);
print_world();
break;
case MB_S:
move_robot(MOVE_BWD);
print_world();
break;
case RL_S:
rotate_90_left();
print_world();
break;
case RR_S:
rotate_90_right();
print_world();
break;
}
scanf("%c", &c);
}
return 0;
}
int main(int argc, char **argv){
#ifdef GETTIME
double start = omp_get_wtime();
#endif
/* Maybe check for invalid input? */
wolf_breeding_period = atoi(argv[2]);
squirrel_breeding_period = atoi(argv[3]);
wolf_starvation_period = atoi(argv[4]);
number_of_generations = atoi(argv[5]);
parse_input(argv[1]); /* Filename */
start_world_simulation();
print_world();
#ifdef GETTIME
printf("OpenMP time: %fs\n", omp_get_wtime() - start);
#endif
freemem();
return 0;
}
int
main()
{
char path[20];
FILE *f;
int i;
memset(world, '.', W * H);
for (i = 0; i < 14000; ++i)
{
if (i % 8 == 0)
{
fprintf(stderr, ".");
sprintf(path, "349_%05d.pgm", i);
f = fopen(path, "w");
print_world(f);
fclose(f);
}
iterate();
}
return 0;
}
void gather(){
MPI_Status status;
//Sync to master
if(taskid == MASTER){
int i = top + 2;
for(; i < grid_size; i++)
MPI_Recv(world[i], grid_size, mpi_world_cell_type, MPI_ANY_SOURCE, RECV_TAG+i, MPI_COMM_WORLD, &status);
print_world(grid_size);
} else {
int i = bottom;
for(; i < payload; i++)
MPI_Send(world[i], grid_size, mpi_world_cell_type, MASTER, RECV_TAG+GET_X(world[i][0].number), MPI_COMM_WORLD);
}
}
int main(int argc, char * argv[]) {
WINDOW * win = init_screen();
#ifdef ENABLE_CURSOR
MEVENT event;
#endif
/* predefined patterns */
struct pattern patterns[] = {
{3, 3, (uint8_t *) start},
{3, 3, (uint8_t *) glider},
{5, 4, (uint8_t *) segler},
{3, 7, (uint8_t *) buffer},
{8, 4, (uint8_t *) kreuz},
{6, 6, (uint8_t *) ship}
};
struct cursor cur = {0, 0};
struct config cfg;
int generation = 0, input, framerate = 17;
uint8_t width, height;
uint8_t ** worlds[2], ** world;
#if defined(RANDOM_SPAWNS)
int idle_gens = 0;
srand(time(NULL));
#endif
memset(&cfg, '\0', sizeof(struct config));
/* initialize world */
world = init_world(win, worlds, &width, &height);
/* make the world real */
inhabit_world(patterns[3], width/2, height/2, worlds[0], width, height);
/* simulation loop */
while(!cfg.quit) {
if (!cfg.paused) {
/* calc next generation */
usleep(1 / (float) framerate * 1000000); /* sleep */
calc_next_gen(world, worlds[++generation % 2], width, height);
world = worlds[generation % 2]; /* new world */
}
/* handle events */
switch (input = getch()) {
#ifdef ENABLE_HOTKEYS
case '+': /* increase framerate */
framerate++;
break;
case '-': /* decrease framerate */
if (framerate > 1) framerate--;
break;
case 'q': /* quit */
cfg.quit = 1;
break;
#if defined(RANDOM_SPAWNS)
case 'd': /* disable random spawn */
rnd_spawns = ~rnd_spawns;
break;
#endif
case 'p': /* pause */
cfg.paused ^= 1;
break;
case 'c': /* clean world */
clean_world(world, width, height);
generation = 0;
break;
#endif
#if defined(ENABLE_HOTKEYS) || defined(ENABLE_CURSOR)
case '0': /* insert pattern */
case '1':
case '2':
case '3':
case '4':
case '5':
inhabit_world(patterns[input - '0'], cur.x, cur.y, world, width, height);
break;
#endif
#ifdef ENABLE_CURSOR
case ' ': /* toggle cell at cursor position */
world[cur.x][cur.y] = (world[cur.x][cur.y]) ? 0 : 1;
break;
case KEY_MOUSE: /* move cursor to mouse posititon */
if (getmouse(&event) == OK && event.bstate & BUTTON1_PRESSED) {
cur.x = event.x;
cur.y = event.y;
if (cur.x >= width) cur.x = width - 1;
if (cur.y >= height) cur.y = height - 1;
world[cur.x][cur.y] = (world[cur.x][cur.y]) ? 0 : 1;
}
break;
case KEY_UP:
if (cur.y > 0) {
cur.y--;
}
break;
case KEY_DOWN:
if (cur.y < height-1) {
cur.y++;
}
break;
case KEY_LEFT:
if (cur.x > 0) {
cur.x--;
}
break;
case KEY_RIGHT:
if (cur.x < width-1) {
cur.x++;
}
break;
case KEY_RESIZE:
world = resized(win, worlds, &width, &height);
break;
#endif
}
#if defined(RANDOM_SPAWNS)
if (rnd_spawns) {
/* spawn a new pattern at a random position, if nothing happens */
idle_gens++;
if (idle_gens >= RANDOM_SPAWNS && !cfg.paused)
{
idle_gens = 0;
inhabit_world(patterns[rand() % (sizeof(patterns)/sizeof(patterns[0]))], rand() % (width - 1), rand() % (height - 1), world, width, height);
}
}
#endif
/* update screen */
print_world(world, width, height);
#ifdef ENABLE_CURSOR
print_cursor(world, cur);
#endif
#ifdef ENABLE_STATUS
attron(COLOR_PAIR(1));
for (int i = 0; i < width; i++) mvprintw(0, width - i, " ");
mvprintw(0, 0, "[generation:%4d] [cells:%3d] [fps:%2d] [width:%d] [height:%d] [cursor:%2d|%2d]", generation, calc_cell_count(world, width, height), framerate, width, height, cur.x, cur.y);
if (cfg .paused) mvprintw(0, width-6, "PAUSED");
attroff(COLOR_PAIR(1));
#endif
#ifdef ENABLE_HOTKEYS
if (cfg.paused) {
print_menu(width, height);
usleep(1);
}
#endif
refresh();
}
free_all(worlds, width, height);
delwin(win);
endwin(); /* exit ncurses mode */
return (EXIT_SUCCESS);
}
int main(int argc, char **argv){
int task, len, chunks = CHUNK;
MPI_Status status;
char hostname[MPI_MAX_PROCESSOR_NAME];
#ifdef GETTIME
double start = MPI_Wtime();
#endif
const int nitems=3;
int blocklengths[3] = {2,2,1};
MPI_Datatype types[3] = {MPI_CHAR, MPI_UNSIGNED_SHORT, MPI_UNSIGNED};
MPI_Aint offsets[3];
offsets[0] = offsetof(world_cell, type);
offsets[1] = offsetof(world_cell, breeding_period);
offsets[2] = offsetof(world_cell, number);
/* MPI Initialization */
if (MPI_Init(&argc, &argv) != MPI_SUCCESS) {
printf ("Error starting MPI program. Terminating.\n");
/*MPI_Abort(MPI_COMM_WORLD, ret);*/
return -1;
}
MPI_Get_processor_name(hostname, &len);
MPI_Type_create_struct(nitems, blocklengths, offsets, types, &mpi_world_cell_type);
MPI_Type_commit(&mpi_world_cell_type);
MPI_Comm_size(MPI_COMM_WORLD, &numtasks);
MPI_Comm_rank(MPI_COMM_WORLD, &taskid);
if(taskid == MASTER){
MPI_Request size_reqs[numtasks-1];
info[1] = wolf_breeding_period = atoi(argv[2]);
info[2] = squirrel_breeding_period = atoi(argv[3]);
info[3] = wolf_starvation_period = atoi(argv[4]);
info[4] = number_of_generations = atoi(argv[5]);
parse_input(argv[1]);
info[0] = grid_size;
bottom = 0;
top = chunk_size = CHUNK;
payload = top + 2;
for(task = 1; task < numtasks; task++)
MPI_Isend(info, 5, MPI_INT, task, INIT_TAG, MPI_COMM_WORLD, &size_reqs[task-1]);
MPI_Waitall(numtasks - 1, size_reqs, MPI_STATUS_IGNORE);
for(task = 1; task < numtasks; task++){
int bottom_task = FLIMIT_INF_CHUNK(task),
top_task = FLIMIT_SUP_CHUNK(task),
chunk_size = top_task-bottom_task;
bottom_task -= 2;
if (task == numtasks-1)
top_task += CHUNK_REMAINDER;
else
top_task += 2;
for( ; bottom_task < top_task; bottom_task++)
MPI_Send(world[bottom_task], grid_size, mpi_world_cell_type, task, FILL_TAG, MPI_COMM_WORLD);
}
} else {
int j = 0;
MPI_Recv(info, 5, MPI_INT, MASTER, INIT_TAG, MPI_COMM_WORLD, &status);
grid_size = info[0];
wolf_breeding_period = info[1];
squirrel_breeding_period = info[2];
wolf_starvation_period = info[3];
number_of_generations = info[4];
bottom = 2;
if(taskid == numtasks-1){
chunk_size = CHUNK + CHUNK_REMAINDER;
payload = top = chunk_size+bottom;
} else {
chunk_size = CHUNK;
top = chunk_size+bottom;
payload = top + 2;
}
initialize_world_array(payload );
for( ; j < payload; j++)
MPI_Recv(world[j], grid_size, mpi_world_cell_type, MASTER, FILL_TAG, MPI_COMM_WORLD, &status);
}
start_world_simulation();
gather();
#ifdef GETTIME
if(taskid == MASTER){
printf("MPI time: %lf\n", MPI_Wtime() - start);
print_world(grid_size);
}
#endif
//freemem();
MPI_Finalize();
return 0;
}