fork(1) download
copy 
  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <math.h>
  4.  
  5. #define EPSILON 0.00000001
  6.  
  7. static int compare(double num1, double num2, double error)
  8. {
  9.     if((fabs(num1 - num2) < EPSILON - error) || (fabs(num1 - num2 + error) < EPSILON + error))
  10.         return 1;
  11.     else
  12.         return 0;
  13. }
  14.  
  15. static int compare2(double num1, double num2, double error)
  16. {
  17.     if(fabs(num1 - num2) <= error)
  18.         return 1;
  19.     else
  20.         return 0;
  21. }
  22.  
  23. static int areEqual(const double *x, int size, double error)
  24. {
  25.     int i;
  26.     for (i = 0; i < size - 1; i++)
  27.         if (!compare2(x[i], x[i + 1], error))
  28.             return 0;
  29.     return 1;
  30. }
  31.  
  32. int main(int argc, char **argv)
  33. {
  34.  
  35.     double tab[] = {9.2, 9.7, 9.3, 9.6, 9.4, 10.0, 9.1, 9.7};
  36.     double error = 0.8;
  37.     const int N = 10;
  38.  
  39.     printf("%d\n", areEqual(tab, N, error));
  40.  
  41.  
  42.     return 0;
  43. }
  44.  
Success #stdin #stdout 0s 2292KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0
https://ideone.com/m1Sh8i
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!