46 lines
1,019 B
C
46 lines
1,019 B
C
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <math.h>
|
|
#include <float.h>
|
|
|
|
#include "init_f.h"
|
|
#include "solve.h"
|
|
|
|
/* ./a04.out a b n k */
|
|
int main (int argc, char *argv[])
|
|
{
|
|
double t, x, a, b;
|
|
int k, n, cl, task = 4;
|
|
|
|
double (*f_lst[]) (double) = {f0, f1, f2, f3, f4, f5, f6};
|
|
int len_f = sizeof(f_lst) / sizeof(f_lst[0]);
|
|
|
|
if (
|
|
!((argc == 5) &&
|
|
sscanf(argv[1], "%lf", &a) == 1 &&
|
|
sscanf(argv[2], "%lf", &b) == 1 &&
|
|
((sscanf(argv[3], "%d", &n) == 1) && (n > 0)) &&
|
|
((sscanf(argv[4], "%d", &k) == 1) && ((0 <= k) && (k <= len_f))))
|
|
) {
|
|
fprintf(stderr, "Usage: %s x h k\n", argv[0]);
|
|
return -1;
|
|
}
|
|
|
|
|
|
t = clock();
|
|
d = t4_solve(f_lst[k], x, h);
|
|
t = (clock() - t) / CLOCKS_PER_SEC;
|
|
|
|
cl = get_call_count();
|
|
|
|
if (fabs(d - DBL_MAX) < DBL_EPSILON)
|
|
{
|
|
fprintf (stdout, "%s : Task = %d Method is not applicable Count = %d T = %.2f\n", argv[0], task, cl, t);
|
|
return -2;
|
|
} else
|
|
{
|
|
fprintf (stdout, "%s : Task = %d Res = %e Count = %d T = %.2f\n", argv[0], task, d, cl, t);
|
|
return 0;
|
|
}
|
|
}
|
|
|