AZEN-SGG/2nd_Sem_Bogachev
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Task 6 was fixed and Task 8 was done

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AZEN-SGG 2025-03-27 20:44:47 +03:00
parent 863948011f
commit 0a8c75a0cf
45 changed files with 1294 additions and 241 deletions
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27
2025.03.28/08Ex/main.c
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@ -1,6 +1,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <omp.h>
#include "array_io.h"
#include "io_status.h"
#include "matrix.h"
@ -9,8 +10,8 @@
/* ./a.out t m n p k_a [filename_a] k_x [filename_x] */
int main(int argc, char *argv[])
{
double tau, t, r1, r2, *a, *x_0, *b, *x, *r;
int n, m, p, k_a, k_x, task = 7;
double tau, t, r1, r2, *a, *x_0, *b, *x, *r, *w;
int n, m, p, k_a, k_x, task = 8;
char *name_a = 0, *name_x = 0;
if (!((argc == 7 || argc == 8 || argc == 9) &&
sscanf(argv[1], "%lf", &tau) == 1 &&
@ -76,6 +77,17 @@ int main(int argc, char *argv[])
printf("Not enough memory\n");
return 2;
}
w = (double *)malloc((size_t)n * sizeof(double));
if (!w)
{
free(a);
free(x_0);
free(b);
free(x);
free(r);
printf("Not enough memory\n");
return 2;
}
if (name_a)
{ /* из файла */
@ -98,6 +110,7 @@ int main(int argc, char *argv[])
free(b);
free(x);
free(r);
free(w);
return 3;
} while (0);
} else init_matrix(a, n, n, k_a);
@ -123,6 +136,7 @@ int main(int argc, char *argv[])
free(b);
free(x);
free(r);
free(w);
return 3;
} while (0);
} else init_matrix(x_0, n, 1, k_x);
@ -136,14 +150,14 @@ int main(int argc, char *argv[])
printf("Vector b:\n");
print_matrix(b, 1, n, p);
t = clock();
t7_solve(a, x_0, b, x, r, n, m, tau);
t = (clock() - t) / CLOCKS_PER_SEC;
t = omp_get_wtime();
t8_solve(a, x_0, b, x, r, w, n, m, tau);
t = omp_get_wtime() - t;
r1 = get_r1(a, x, b, n);
r2 = get_r2_value(x, n);
printf("Vector x_m:\n");
printf("New vector:\n");
print_matrix(x, 1, n, p);
printf("%s : Task = %d Res1 = %e Res2 = %e Elapsed = %.2f\n", argv[0], task, r1, r2, t);
@ -152,6 +166,7 @@ int main(int argc, char *argv[])
free(b);
free(x);
free(r);
free(w);
return 0;
}