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  1. #include <stdio.h> 
  2. #include <math.h>
  3. int main(void) {
  4. 	double x = 9.0/5;
  5. 	double y = 6.0/5;
  6. 	double z = -6.0/5;
  7.  
  8. 	printf("ceil(%.2lf)=%.0lf, ceil(%.2lf)=%.0lf, ceil(%.2lf)=%.0lf\n",
  9. 			x,ceil(x),y,ceil(y),z,ceil(z));
  10. 	printf("floor(%.2lf)=%.0lf, floor(%.2lf)=%.0lf, floor(%.2lf)=%.0lf\n",
  11. 			x,floor(x),y,floor(y),z,floor(z));
  12. 	printf("round(%.2lf)=%.0lf, round(%.2lf)=%.0lf, round(%.2lf)=%.0lf\n",
  13. 			x,round(x),y,round(y),z,round(z));
  14. 	printf("trunc(%.2lf)=%.0lf, trunc(%.2lf)=%.0lf, trunc(%.2lf)=%.0lf\n",
  15. 			x,trunc(x),y,trunc(y),z,trunc(z));
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0.01s 5292KB
comments (?)
stdin 
Standard input is empty
stdout 
ceil(1.80)=2, ceil(1.20)=2, ceil(-1.20)=-1
floor(1.80)=1, floor(1.20)=1, floor(-1.20)=-2
round(1.80)=2, round(1.20)=1, round(-1.20)=-1
trunc(1.80)=1, trunc(1.20)=1, trunc(-1.20)=-1
https://ideone.com/rDGRfN
language:
C (gcc 8.3)
created:
11 hours ago
visibility:
public

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