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Task 8 is done

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AZEN-SGG 2025-04-18 03:01:54 +03:00
parent 2efd819d0f
commit 98a608ce96
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2025.04.18/dist/Ryabov_AD/massiv_io.c vendored Normal file
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#include <stdio.h>
#include <math.h>
#include "massiv_io.h"
int sravn_el(double x1, double x2){
double eps = 1e-16;
return fabs(x1 - x2) <= eps * fmax(fabs(x1), fabs(x2));
}
io_status read_file(double* x, double* y, int n, char* file_name){
int i;
FILE *fp;
if (!(fp = fopen(file_name, "r"))){
return ERROR_OPEN;
}
for (i = 0; i < n; i++){
if (fscanf(fp, "%lf", x + i) != 1){
fclose(fp);
return ERROR_READ;
}
if (fscanf(fp, "%lf", y + i) != 1){
fclose(fp);
return ERROR_READ;
}
}
fclose(fp);
return SUCCESS;
}
io_status read_file_4(double* x, double* y, double*d, int n, char* file_name){
int i, index;
FILE *fp;
if (!(fp = fopen(file_name, "r"))){
return ERROR_OPEN;
}
index = 0;
for (i = 0; i < n; i++){
if (fscanf(fp, "%lf", x + i) != 1){
fclose(fp);
return ERROR_READ;
}
if (index < n){
if (fscanf(fp, "%lf", y + index) != 1){
fclose(fp);
return ERROR_READ;
}
}
else {
if (fscanf(fp, "%lf", d + (index % n)) != 1){
fclose(fp);
return ERROR_READ;
}
}
index++;
if (index < n){
if (fscanf(fp, "%lf", y + index) != 1){
fclose(fp);
return ERROR_READ;
}
}
else {
if (fscanf(fp, "%lf", d + (index % n)) != 1){
fclose(fp);
return ERROR_READ;
}
}
index++;
}
fclose(fp);
return SUCCESS;
}