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  1. #include <stdio.h>
  2.  
  3. int main()
  4. {
  5.    float a=1;
  6.    while (1.0f!=1.0f+a)
  7.       a*=0.9f;
  8.    printf("float %.2e\n",a);
  9.    double b=1;
  10.    while (1.0!=1.0+b)
  11.       b*=0.9;
  12.    printf("double %.2e\n",b);
  13.    long double c=1;
  14.    while (1.0L!=1.0L+c)
  15.       c*=0.9L;
  16.    printf("long double %.2e\n",(double)c);
  17.  
  18.  
  19.  
  20.    return 0;
  21. }
  22.  
Success #stdin #stdout 0s 4492KB
comments (?)
stdin
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Standard input is empty
stdout
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float 5.89e-08
double 1.07e-16
long double 4.90e-20
https://ideone.com/ZEj7su
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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