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  1. #include <stdio.h>
  2. #include <limits.h>
  3.  
  4. union Double{
  5. 	double d;
  6. 	unsigned char   c[sizeof(double)];
  7. } ;
  8.  
  9. void PrintBinRepresention(union Double ud){
  10. 	int i,j;
  11. 	for(i =0;i<sizeof(double);++i){
  12. 		printf("Byte %d = ",i);
  13. 		for(j =CHAR_BIT-1;j>=0;--j){
  14. 			printf("%hhx",(ud.c[i]>>j)&0x1);
  15. 		}		
  16. 		printf("\n");
  17. 	}
  18. 	printf("\n");
  19. } 
  20.  
  21. int main() {
  22. 	// your code goes here
  23.  
  24. 	union Double ud;
  25. 	ud.d = 6;
  26. 	PrintBinRepresention(ud);
  27. 	ud.c[(1*sizeof(short)/sizeof(unsigned char))] = 6;
  28. 	PrintBinRepresention(ud);
  29.  
  30. 	return 0;
  31. }
Success #stdin #stdout 0s 4388KB
comments (?)
stdin 
Standard input is empty
stdout 
Byte 0 = 00000000
Byte 1 = 00000000
Byte 2 = 00000000
Byte 3 = 00000000
Byte 4 = 00000000
Byte 5 = 00000000
Byte 6 = 00011000
Byte 7 = 01000000

Byte 0 = 00000000
Byte 1 = 00000000
Byte 2 = 00000110
Byte 3 = 00000000
Byte 4 = 00000000
Byte 5 = 00000000
Byte 6 = 00011000
Byte 7 = 01000000
https://ideone.com/oh1H72
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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