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  1. #include <stdio.h>
  2. #include <arpa/inet.h>
  3.  
  4. void testFloat() {
  5. 	float a[] = {1.1, 2.2, 3.3};
  6. 	int len = sizeof(a) / sizeof(a[0]);
  7. 	int i;
  8. 	unsigned long buf[3];
  9.  
  10. 	for (i = 0; i < len; ++i) {
  11. 		printf("%f ", a[i]);
  12. 	}
  13. 	printf("\n");
  14.  
  15. 	for (i = 0; i < len; ++i) {
  16. 		a[i] = (float)htonl((*(float*)&a[i]));
  17. 	}
  18.  
  19. 	for (i = 0; i < len; ++i) {
  20. 		printf("%f ", a[i]);
  21. 	}
  22. 	printf("\n");
  23.  
  24. 	for (i = 0; i < len; ++i) {
  25. 		a[i] = (float)ntohl((*(float*)&a[i]));
  26. 	}
  27.  
  28. 	for (i = 0; i < len; ++i) {
  29. 		printf("%f ", a[i]);
  30. 	}
  31. 	printf("\n");
  32.  
  33. }
  34.  
  35. int main(int ac, char **av) {
  36. 	testFloat();
  37. }
Success #stdin #stdout 0s 2112KB
comments (?)
stdin
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Standard input is empty
stdout
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1.100000 2.200000 3.300000 
16777216.000000 33554432.000000 50331648.000000 
1.000000 2.000000 3.000000
https://ideone.com/9hulsu
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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