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a guest Sep 20th, 2019 76 Never
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  1. #include <stdio.h>
  2. #include <conio.h>
  3. #include <math.h>
  4.  
  5. float factorial(float x);
  6. float func(float fact_value);
  7. int is_equal(float val1, float val2, float eps);
  8.  
  9. int main()
  10. {
  11.     float eps;
  12.     float sum=0, i=1;
  13.     printf("Enter epsilon: ");
  14.     scanf("%f", &eps);
  15.     printf("%f \n", func(5)-func(2));
  16.     while (fabs(func(i)-func(i-1))<= eps)
  17.     {
  18.         sum+=func(i);
  19.         i++;
  20.     }
  21.     printf("Total sum is %f ", sum);
  22.     getch();
  23.     return 0;
  24. }
  25.  
  26. float factorial(float n)
  27. {
  28.     if (n == 0 || n == 1) return 1;
  29.     return (n * factorial(n - 1));
  30. }
  31.  
  32. float func(float x)
  33. {
  34.     return 1 /factorial(x);
  35. }
  36.  
  37. int is_equal(float val1, float val2, float eps)
  38. {
  39.     int result;
  40.     result = fabs(val1 - val2) < eps;
  41.     return result;
  42. }
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