Add .zip Archive

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AZEN-SGG 2025-05-23 00:39:50 +03:00
parent 3c3c94b028
commit 056e721d9a
34 changed files with 718 additions and 559 deletions

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#include "solve_06.h"
#include "comp.h"
#include "polynom.h"
#include <math.h>
#include <float.h>
int t6_solve (
double (*f) (double),
const int m, double *d,
double a, double b,
const double eps, const int M, double *res
) {
const int len = m + 1;
double *y_lst = d;
double *x_lst = d + len;
double *t_lst = d + (len << 1);
int it;
if (is_eps(y_lst[0], eps)) {
*res = a;
return 1;
} else if (is_eps(y_lst[m], eps)) {
*res = b;
return 1;
}
for (it = 1; it <= M; ++it)
{
double maximum = 0;
int max_i = 0;
double x = construct_poly(0, len, y_lst, x_lst);
double y = f(x);
if (is_eps(y, eps))
{
*res = x;
return it;
}
// Возвращение значений функции в x_lst можно было встроить в суммирование полинома, но мало толку
for (int i = 0; i < len; ++i)
{
double xi = t_lst[i];
double yi = y_lst[i];
x_lst[i] = xi;
if (is_equal(y, yi))
return -1;
if ((yi - maximum) > DBL_EPSILON) {
maximum = yi;
max_i = i;
}
}
y_lst[max_i] = y;
x_lst[max_i] = x;
t_lst[max_i] = x;
}
return -1;
}