change Makefile

This commit is contained in:
AZEN-SGG 2025-05-11 15:11:48 +03:00
parent 6ffe18f36a
commit c1e5e5fb19
4 changed files with 198 additions and 91 deletions

View file

@ -52,43 +52,3 @@ int t8_solve (
return -1;
}
/*
for (double h = (b - a) * 0.1; fabs(h) > DBL_EPSILON; h *= -0.1)
{
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 (it > m)
{
it = -1;
break;
}
if ((c - b) > DBL_EPSILON)
{
x_l = b;
y_l = f(b);
break;
} else if ((a - c) > DBL_EPSILON)
{
x_l = a;
y_l = f(b);
break;
}
}
*x = x_l;
return it;
}
*/

View file

@ -1,14 +1,18 @@
FLAGS = -fstack-protector-all -W -Wall -Wextra -Wunused -Wcast-align -Werror -pedantic -pedantic-errors -Wfloat-equal -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 -Wwrite-strings -Wcast-align -Wno-long-long -std=gnu99 -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs -O3
%.out: %.o solve.o init_f.o
gcc $(FLAGS) $^ -o $@ -lm
OBJ_COMMON = solve.o init_f.o polynom.o array_io.o
NUMS = 1 2 3 4 5 6 7 8 9
OUTS = $(foreach n,$(NUMS),$(shell printf "a%02d.out\n" "$(n)"))
all: $(OUTS)
%.o: %.c
gcc -c $(FLAGS) $<
gcc -c $(FLAGS) $<
all: a01.out a02.out a03.out a04.out a07.out a08.out a09.out
solve.o: solve.c solve.h
init_f.o: init_f.c init_f.h
a%.out: a%.o $(OBJ_COMMON)
gcc $(FLAGS) $^ -o $@ -lm
clean:
rm -f *.o *.out

View file

@ -115,11 +115,11 @@ int t3_solve (
memcpy(&bits, &y_b, sizeof(bits));
sgn_b = (bits >> 63) & 1;
if (fabs(y_a) - eps < DBL_EPSILON)
if (is_eps(y_a, eps))
{
*x = a;
return 1;
} if (fabs(y_b) - eps < DBL_EPSILON)
} else if (is_eps(y_b, eps))
{
*x = b;
return 1;
@ -133,15 +133,13 @@ int t3_solve (
for (it = 1; it <= m; ++it)
{
c = a - ((a - b) / (y_a - y_b)) * y_a;
c = a - ((b - a) / (y_b - y_a)) * y_a;
y = f(c);
memcpy(&bits, &y, sizeof(bits));
sgn_c = (bits >> 63) & 1;
if ((c - a < DBL_EPSILON) || (c - b > DBL_EPSILON))
it = m+1;
else if (fabs(y) - eps < DBL_EPSILON)
if (is_eps(y, eps))
break;
else if (sgn_c == sgn_a)
{
@ -170,15 +168,15 @@ int t4_solve (
int it = 0;
double c = DBL_MAX, y, y_a = f(a), y_b = f(b);
if (fabs(y_a) - eps < DBL_EPSILON)
if (is_eps(y_a, eps))
{
*x = a;
return 1;
} if (fabs(y_b) - eps < DBL_EPSILON)
} if (is_eps(y_b, eps))
{
*x = b;
return 1;
} if (fabs(fabs(y_b) - fabs(y_a)) < DBL_EPSILON)
} if (is_equal(fabs(y_b), fabs(y_a)))
{
*x = a;
return -1;
@ -186,20 +184,23 @@ int t4_solve (
for (it = 1; it <= m; ++it)
{
c = b - ((b - a) / (y_b - y_a)) * y_b;
// c = b - ((b - a) / (y_b - y_a)) * y_b;
c = a - ((b - a) / (y_b - y_a)) * y_a;
y = f(c);
if (fabs(y) - eps < DBL_EPSILON)
if (is_eps(y, eps))
break;
else if (fabs(y_a) - fabs(y_b) > DBL_EPSILON)
{
a = c;
y_a = y;
} else if (fabs(y_b) - fabs(y_a) > DBL_EPSILON)
} else
{
b = c;
y_b = y;
} else
}
if (is_equal(y_a, y_b))
it = m+1;
}
@ -211,6 +212,137 @@ int t4_solve (
return it;
}
int t5_solve (
double (*f) (double),
double a, double b,
double eps, int m, double *x
) {
int it;
double c = (a + b) * 0.5;
double y_a = f(a);
double y_c = f(c);
double y_b = f(b);
if (is_null(y_a))
{
*x = a;
return 1;
} else if (is_null(y_b))
{
*x = b;
return 1;
} else if (is_null(y_c))
{
*x = c;
return 1;
}
if (is_equal(a, b))
return -1;
else if (is_equal(a, c))
return -1;
else if (is_equal(b, c))
return -1;
for (it = 1; it < m+1; ++it)
{
double *temp_pnt = 0, *inner_max_pnt;
const double angle = (c - a) / (y_c - y_a);
const double x_new = a -
angle * y_a +
((((b - c) / (y_b - y_c)) - angle) / (y_b - y_a)) * y_a * y_c;
const double y_new = f(x_new);
if (is_eps(y_new, eps))
{
*x = x_new;
return it;
}
if (
is_equal(x_new, a) ||
is_equal(x_new, c) ||
is_equal(x_new, b)
)
return -1;
inner_max_pnt = fp_abs_max(&c, &b, &y_c, &y_b, &temp_pnt);
*fp_abs_max(&a, inner_max_pnt, &y_a, temp_pnt, &temp_pnt) = x_new;
*temp_pnt = y_new;
}
if (it > m)
return -2;
else
{
double temp = 0, *temp_x_pnt = fpmax(&c, &b, -y_c, -y_b, &temp);
*x = *fpmax(&a, temp_x_pnt, -y_a, temp, &temp);
return it;
}
}
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;
}
int t7_solve (
double (*f) (double),
double x_0, double eps,
@ -245,53 +377,51 @@ int t7_solve (
int t8_solve (
double (*f) (double),
double a, double b,
double eps, int m, double *x
double eps, int m, double *res
) {
int it = 1;
double x_l = 0, y_l = 0, c = a, y = f(a);
double h = a - b;
double x_l = 0, y_l = 0, x = a, y = f(a);
if (fabs(b - a) < DBL_EPSILON)
{
*x = a;
*res = a;
return 1;
}
for (double h = (b - a) * 0.1; fabs(h) > DBL_EPSILON; h *= -0.1)
while (it <= m)
{
do {
h *= -0.1;
while (1)
{
it++;
if (it > m)
return -1;
x_l = x;
y_l = y;
x += h;
y = f(x);
if ((y_l - y) > DBL_EPSILON)
break;
it++;
x_l = c;
y_l = y;
c += h;
y = f(c);
} while (((y - y_l) - eps) > DBL_EPSILON);
if (it > m)
{
it = -1;
break;
if ((a - x) > DBL_EPSILON || (x - b) > DBL_EPSILON) {
*res = x_l;
return it;
}
}
if ((c - b) > DBL_EPSILON)
{
x_l = b;
y_l = f(b);
break;
} else if ((a - c) > DBL_EPSILON)
{
x_l = a;
y_l = f(b);
break;
if ((y_l - y) < eps) {
*res = x_l;
return it;
}
}
*x = x_l;
return it;
return -1;
}
int t9_solve (

View file

@ -26,6 +26,19 @@ int t4_solve (
double eps, int m, double *x
);
int t5_solve (
double (*f) (double),
double a, double b,
double eps, int m, double *x
);
int t6_solve (
double (*f) (double),
const int m, double *d,
double a, double b,
const double eps, const int M, double *res
);
int t7_solve (
double (*f) (double),
double x_0, double eps,
@ -35,7 +48,7 @@ int t7_solve (
int t8_solve (
double (*f) (double),
double a, double b,
double eps, int m, double *x
double eps, int m, double *res
);
int t9_solve (