2nd_Sem_Bogachev/2025.05.02/Example/main.c
2025-04-29 14:35:20 +03:00

62 lines
1.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <float.h>
#include <math.h>
#include "init_f.h"
#include "status.h"
#include "solve.h"
/* ./a.out a b eps M k */
int main(int argc, char *argv[])
{
double t, a, b, eps, x = 0;
int m, k, task = 1;
status ret;
double (*f) (double);
double (*f_lst[]) (double) = {f0, f1, f2, f3, f4, f5, f6};
if (
!((argc == 6) &&
sscanf(argv[1], "%lf", &a) == 1 &&
sscanf(argv[2], "%lf", &b) == 1 &&
sscanf(argv[3], "%lf", &eps) == 1 &&
((sscanf(argv[4], "%d", &m) == 1) && m > 0) &&
((sscanf(argv[5], "%d", &k) == 1) && ((0 <= k) && (k <= 6))))
) {
fprintf(stderr, "Usage: %s a b eps M k\n", argv[0]);
return 1;
}
f = f_lst[k];
t = clock();
ret = t1_solve(f, a, b, eps, m, &x);
t = (clock() - t) / CLOCKS_PER_SEC;
do {
switch (ret)
{
case SUCCESS:
continue;
case MORE_ONE_ROOT:
continue;
case RUN_TIME:
break;
}
fprintf(stdout, "Error: with code %d - The method is not applicable!\n", ret);
return ret;
} while (0);
if (ret == MORE_ONE_ROOT)
printf("%s : Task = %d NOT FOUND Count = %d T = %.2f\n", argv[0], task, count, t);
else
printf("%s : Task = %d X = %e Res = %e Its = %d Count = %d T = %.2f\n", argv[0], task, x, f(x), it, count, t);
return 0;
}