Task 8 is done

2025.04.18/dist/Ryabov_AD/task01.c

@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <time.h>
+#include <stdlib.h>
+#include "massiv_io.h"
+#include "solve.h"
+
+
+int main(int argc, char*argv[]){
+    double *x, *y;
+    int n;
+    double t, x0;
+    double res;
+    int ret;
+    char *file_name;
+    if (!(argc == 4 && sscanf(argv[1], "%lf", &x0) == 1 && sscanf(argv[2], "%d", &n) == 1)){
+        printf("Usage %s\n", argv[0]);
+        return 1;
+    }
+    if (n <= 0){
+        printf("With zero points impossible to plot graph\n");
+        return 1;
+    }
+    file_name = argv[3];
+    // Массив x
+    x = (double *)malloc(n * sizeof(double));
+    if (!x){
+        printf("No pamyat\n");
+        return 2;
+    }
+    // Массив y
+    y = (double *)malloc(n * sizeof(double));
+    if (!y){
+        printf("No pamyat\n");
+        free(x);
+        return 2;
+    }
+    ret = read_file(x, y, n, file_name);
+    switch (ret){
+        case SUCCESS:
+            break;
+        case ERROR_OPEN:
+            printf("Can not open %s\n", file_name);
+            break;
+        case ERROR_READ:
+            printf("Can not read %s\n", file_name);
+            break;
+        case ERROR_MEM:
+            printf("Not enough memory\n");
+            break;
+        }
+    if (ret != SUCCESS){
+        free(x);
+        free(y);
+        return 3;
+    }
+    t = clock();
+    ret = task01(x0, n, x, y, &res);
+    if (ret == 1){ // ПРОВЕРЯЕМ ОШИБКУ в ret
+        printf("Division by zero occurs. Most likely, were two identical points in file.");
+        free(x);
+        free(y);
+        return 4;
+    }
+    t = (clock() - t) / CLOCKS_PER_SEC;
+    printf ("%s : Task = %d Result = %e Elapsed = %.2f\n", argv[0], 1, res, t);
+    free(x);
+    free(y);
+    return 0;
+}