GCC Code Coverage Report

Directory: ./
File: s21_calc_complements.c
Date: 2025-08-15 23:01:21
Exec Total Coverage
Lines: 38 38 100.0%
Branches: 24 24 100.0%
Line Branch Exec Source
1 #include "s21_matrix.h"
2
3 void s21_calc_complements_n_greater_1(matrix_t *A, matrix_t *result);
4 double s21_calc_minor(matrix_t *A, int row, int col, matrix_t *temp);
5 void s21_calc_minor_matrix(matrix_t *A, int row, int col, matrix_t *temp);
6
7 24 int s21_calc_complements(matrix_t *A, matrix_t *result) {
8
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 24 if (s21_check_matrix_is_invalid(A) || result == NULL) {
9 4 return ERROR;
10 }
11
12 20 int code = OK;
13
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 20 if (A->columns == A->rows) {
14 18 s21_create_matrix(A->rows, A->columns, result);
15
16
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 18 if (A->columns == 1) {
17 2 result->matrix[0][0] = A->matrix[0][0];
18 } else {
19 16 s21_calc_complements_n_greater_1(A, result);
20 }
21 } else {
22 2 code = CALC_ERROR;
23 }
24
25 20 return code;
26 }
27
28 16 void s21_calc_complements_n_greater_1(matrix_t *A, matrix_t *result) {
29 matrix_t temp;
30 16 s21_create_matrix(A->rows - 1, A->columns - 1, &temp);
31
32 16 int multiplier = 1;
33
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 64 for (int i = 0; i < result->rows; i++) {
34
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 200 for (int j = 0; j < result->rows; j++) {
35 152 result->matrix[i][j] = multiplier * s21_calc_minor(A, i, j, &temp);
36 152 multiplier *= -1;
37 }
38
39
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 48 if (result->rows % 2 == 0) {
40 24 multiplier *= -1;
41 }
42 }
43
44 16 s21_remove_matrix(&temp);
45 16 }
46
47 152 double s21_calc_minor(matrix_t *A, int row, int col, matrix_t *temp) {
48 152 s21_calc_minor_matrix(A, row, col, temp);
49
50 double result;
51 152 s21_determinant(temp, &result);
52
53 152 return result;
54 }
55
56 152 void s21_calc_minor_matrix(matrix_t *A, int row, int col, matrix_t *temp) {
57 152 int temp_i = 0;
58 152 int temp_j = 0;
59
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 656 for (int i = 0; i < A->rows; i++) {
60 504 temp_j = 0;
61
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 1736 for (int j = 0; j < A->columns && i != row; j++) {
62
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 1232 if (j != col) {
63 880 temp->matrix[temp_i][temp_j] = A->matrix[i][j];
64 880 temp_j++;
65 }
66 }
67
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 504 if (i != row) {
69 352 temp_i++;
70 }
71 }
72 152 }
73