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  1. #include <stdio.h>
  2.  
  3. int main(){
  4.     double factor = nextafter(0x1.ffffffp-1 / 0xffffffffp0, 0.0);
  5.     unsigned int x = 0xffffffff;
  6.     float f = (float)((double)x * factor);
  7.     printf("factor:%a\nunrounded:%a\nresult:%a\n", factor, (double)x * factor, f);
  8. return 0;
  9. }
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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factor:0x1.ffffff01fffffp-33
unrounded:0x1.fffffefffffffp-1
result:0x1.fffffep-1
https://ideone.com/gRbhdG
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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