From 81fccf8d34190c5c79f379f87811df4b9e80fce7 Mon Sep 17 00:00:00 2001
From: Florian Burgener <florian.burgener@etu.hesge.ch>
Date: Tue, 3 May 2022 13:14:54 +0200
Subject: [PATCH] Exercice 1
---
ex1/ex1.c | 93 +++++++++++++++++++++++++++++++++++++++++--------------
1 file changed, 69 insertions(+), 24 deletions(-)
diff --git a/ex1/ex1.c b/ex1/ex1.c
index a24c280..dd8f9ac 100644
--- a/ex1/ex1.c
+++ b/ex1/ex1.c
@@ -16,30 +16,75 @@
#include <stdlib.h>
#include <string.h>
+double **matrix_init(int m, int n) {
+ double **matrix = (double **)malloc(sizeof(double *) * m);
+
+ for (int i = 0; i < m; i += 1) {
+ matrix[i] = (double *)malloc(sizeof(double) * n);
+
+ for (int j = 0; j < n; j += 1) {
+ matrix[i][j] = sqrt(i + j);
+ }
+ }
+
+ return matrix;
+}
+
+void matrix_destroy(double **matrix, int m) {
+ for (int i = 0; i < m; i += 1) {
+ free(matrix[i]);
+ }
+
+ free(matrix);
+}
+
+void matrix_print(double **matrix, int m, int n) {
+ for (int i = 0; i < m; i += 1) {
+ for (int j = 0; j < n; j += 1) {
+ printf("%lf ", matrix[i][j]);
+ }
+
+ printf("\n");
+ }
+}
+
+double **matrix_average(double **matrix, int m, int n) {
+ double **output = matrix_init(m, n);
+
+ for (int i = 0; i < m; i += 1) {
+ for (int j = 0; j < n; j += 1) {
+ double value = 0;
+
+ if (i >= 1 && i <= m - 2 && j >= 1 && j <= n - 2) {
+ value += matrix[i][j];
+ value += matrix[i + 1][j];
+ value += matrix[i - 1][j];
+ value += matrix[i][j + 1];
+ value += matrix[i][j - 1];
+ value /= 5;
+ } else {
+ value = matrix[i][j];
+ }
+
+ output[i][j] = value;
+ }
+ }
+
+ return output;
+}
+
int main() {
- // int32_t values_length = 5;
- // double values[values_length];
-
- // for (int32_t i = 0; i < values_length; i += 1) {
- // double value;
- // scanf("%lf", &value);
- // values[i] = value;
- // }
-
- // int32_t values_length = 5;
- // int32_t values[values_length];
-
- // for (int32_t i = 0; i < values_length; i += 1) {
- // int32_t value;
- // scanf("%d", &value);
- // values[i] = value;
- // }
-
- // char a[100];
- // int32_t b;
- // scanf("%s %d", a, &b);
- // printf("%s %d\n", a, b);
-
- printf("ex1\n");
+ int m = 5;
+ int n = 4;
+ double **M = matrix_init(m, n);
+
+ for (int i = 0; i < 10; i += 1) {
+ double **N = matrix_average(M, m, n);
+ matrix_destroy(M, m);
+ M = N;
+ }
+
+ matrix_print(M, m, n);
+ matrix_destroy(M, m);
return EXIT_SUCCESS;
}
--
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