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AZEN-SGG 2025-04-15 19:51:42 +03:00
parent 9319f68a39
commit 9ac038df34
7 changed files with 227 additions and 0 deletions
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2025.04.18/02Ex/main.c Normal file
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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "array_io.h"
#include "io_status.h"
#include "solve.h"
/* ./a.out x_0 n filename */
int main(int argc, char *argv[])
{
double x_0, t, r = 0, *X = 0, *Y = 0;
int n, task = 2;
char *name = 0;
io_status ret;
if (
!((argc == 4) &&
sscanf(argv[1], "%lf", &x_0) == 1 &&
((sscanf(argv[2], "%d", &n) == 1) && n > 0) &&
((name = argv[3]) && name))
) {
fprintf(stderr, "Usage: %s x_0 n filename\n", argv[0]);
return 1;
}
X = (double *)malloc(n * sizeof(double));
if (!X)
{
fprintf(stderr, "%s\n", ERR_MEM);
return 2;
}
Y = (double *)malloc(n * sizeof(double));
if (!Y)
{
free(X);
fprintf(stderr, "%s\n", ERR_MEM);
return 2;
}
ret = read_values(X, Y, n, name);
do {
switch (ret)
{
case SUCCESS:
continue;
case ERROR_OPEN:
fprintf(stderr, "%s '%s'!\n", ERR_OPEN, name);
break;
case ERROR_READ:
fprintf(stderr, "%s '%s'!\n", ERR_READ, name);
break;
}
free(X);
free(Y);
return 3;
} while (0);
t = clock();
r = t2_solve(x_0, n, X, Y);
t = (clock() - t) / CLOCKS_PER_SEC;
printf("%s : Task = %d Result = %e Elapsed = %.2f\n", argv[0], task, r, t);
free(X);
free(Y);
return 0;
}