int main()
{
pid_t pid;
pid_t curr_pid;
printfp("\n");
curr_pid = getpid();
pid = fork();
if(pid < 0)
perror("fork error!\n");
else if(pid == 0) {
pid_t temp;
printfc("wait parent exit!\n");
temp = waitpid(curr_pid, NULL, 0); // no effect: waitpid is just for waiting childrens
printfc("parent pid:%d\n", temp);
perror("waitpid status:");
exit(9);
} else {
pid_t child;
int status;
sleep(3);
printfp("\n");
}
printf("end\n");
return 0;
}
int main(void) {
long double x = M_PIl;
long double y = M_El;
long double z;
memset(&z, 0, sizeof(z));
z = x / y;
printfp("result", &z);
return 0;
}
int main(int argc, char** argv)
{
if( argc == 4 )
{
float a = atof(argv[2]);
float b = atof(argv[3]);
float resf;
setPrecision(atoi(argv[1]));
//allowDynamic = 0;
printf("vals %f %f\n", a, b);
fixed_point_t fa = convert_in(a);
fixed_point_t fb = convert_in(b);
fixed_point_t res;
printfp(fa, "first");
printfp(fb, "second");
res = doadd(fa, fb);
resf = convert_out(res);
printf("add ours %f orig %Lf\n", resf, res.orig);
res = dosub(fa, fb);
resf = convert_out(res);
printf("sub ours %f orig %Lf\n", (resf), res.orig);
res = domult(fa, fb);
resf = convert_out(res);
printf("mult ours %f orig %Lf\n", (resf), res.orig);
res = dofloor(fa);
resf = convert_out(res);
printf("floor ours %f orig %Lf\n", (resf), res.orig);
return 0;
}
float l=3.0;//2.987654;
float r = 2.01;
int PRECISION = 30;
setPrecision(PRECISION);
fixed_point_t lc = convert_in(l);
fixed_point_t rc= convert_in(r);
allowDynamic = 1;
int i;
fixed_point_t res = doadd(lc,rc);
long double check = l+r;
for(i = 0; i < 2; i++)
{
check = check*check;
res = domult(res,res);
}
res = dosub(res,convert_in(10.0));
check -=10.0;
// printf("Check against %f\n", check);
// printfp(res,"restest");
// printfp(lc,"L ");
//printfp(rc,"R ");
// long double lconv = convert_out(lc);
// long double rconv = convert_out(rc);
// printf("lconv is %Lf rconv is %Lf\n", lconv,rconv);
long double result = convert_out(res);
printf("Final val is %Lf. Should be %Lf\n", result,check);
printf("\n Checking very small numbers times whole numbers\n");
fixed_point_t small = convert_in(1e-12);
fixed_point_t one = convert_in(1);
fixed_point_t res2 = domult(small, one);
printfp( small, "small");
printfp( one, "one");
printfp( res2, "res2");
return 0;
}
