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  1. #include <stdio.h>
  2. #include <float.h>
  3.  
  4. int main(void) {
  5. 	double a = 1.0, b = 1.0, c = 1.0e-16;
  6. 	a += c;
  7. 	a -= c;
  8. 	b -= c;
  9. 	b += c;
  10. 	printf("a=%.20f b=%.20f\n", a, b);
  11. 	return 0;
  12. }
  13.  
Success #stdin #stdout 0s 4512KB
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stdin
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Standard input is empty
stdout
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a=0.99999999999999988898 b=1.00000000000000000000
https://ideone.com/cPnI1d
language:
C (gcc 8.3)
created:
5 years ago
visibility:
public

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