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Task 8 is done

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AZEN-SGG 2025-05-01 22:49:14 +03:00
parent 7144337f0b
commit c5ae5840ff
3 changed files with 40 additions and 65 deletions
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62
2025.05.02/08Ex/solve.c
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@ -1,8 +1,8 @@
#include "solve.h"
#include "status.h"
#include <math.h>
#include <float.h>
#include <stdbool.h>
int t8_solve (
@ -11,54 +11,46 @@ int t8_solve (
double eps, int m, double *x
) {
int it = 0;
status ret = SUCCESS;
double c = DBL_MAX, y, y_a = f(a), y_b = f(b);
double x_l = 0, y_l = 0, c = a, y = f(a);
if (fabs(y_a) - eps < DBL_EPSILON)
if (fabs(b - a) < DBL_EPSILON)
{
*x = a;
return SUCCESS;
} if (fabs(y_b) - eps < DBL_EPSILON)
{
*x = b;
return SUCCESS;
} if (fabs(fabs(y_b) - fabs(y_a)) < DBL_EPSILON)
{
*x = a;
return EQUAL;
return 1;
}
for (it = 0; it < m; ++it)
for (double h = (b - a) * 0.1; fabs(h) > DBL_EPSILON; h *= -0.1)
{
double h = (b - a) * 0.1;
c = a + h;
y = f(c);
do {
if (it >= m)
break;
it++;
x_l = c;
y_l = y;
c += h;
y = f(c);
} while (((y - y_l) - eps) > DBL_EPSILON);
if (fabs(y) - eps < DBL_EPSILON)
{
ret = SUCCESS;
if (it >= m)
break;
} else if (fabs(y_a) - fabs(y_b) > DBL_EPSILON)
if ((c - b) > DBL_EPSILON)
{
a = c;
y_a = y;
} else if (fabs(y_b) - fabs(y_a) > DBL_EPSILON)
x_l = b;
y_l = f(b);
break;
} else if ((a - c) > DBL_EPSILON)
{
b = c;
y_b = y;
} else
{
ret = EQUAL;
x_l = a;
y_l = f(b);
break;
}
}
if (it >= m)
ret = RUN_TIME;
*x = c;
*m_it = it;
*x = x_l;
return ret;
return it;
}