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  1. #include<stdio.h>
  2. #include <float.h>
  3.  
  4. int main()
  5. {
  6.     float a=0.7;
  7.     printf("%.10f %.10f FLT_EVAL_METHOD=%d\n",0.7f, a, (int)FLT_EVAL_METHOD);
  8.  
  9.     printf("%.60f %.60f\n", 0.7f, 0.7);
  10.     printf("%.60Lf %.60Lf\n", (long double)0.7f, (long double)0.7);
  11. }
Success #stdin #stdout 0s 2112KB
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stdin
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Standard input is empty
stdout
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0.7000000000 0.6999999881 FLT_EVAL_METHOD=2
0.699999999999999955591079014993738383054733276367187500000000 0.699999999999999955591079014993738383054733276367187500000000
0.699999999999999999989157978275144955659925471991300582885742 0.699999999999999999989157978275144955659925471991300582885742
https://ideone.com/VGHNjx
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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