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  1. #include <stdio.h>
  2. #include <arpa/inet.h>
  3.  
  4.  
  5. void testFloat() {
  6. 	float a[] = {1.1, 2.2, 3.3};
  7. 	unsigned long b[3];
  8. 	int len = sizeof(a) / sizeof(a[0]);
  9. 	int i;
  10.  
  11. 	for (i = 0; i < len; ++i) {
  12. 		// 送信時
  13. 		b[i] = htonl(*(unsigned long*)&a[i]);
  14.  
  15. 		// 受信時
  16. 		b[i] = ntohl(b[i]);
  17. 		a[i] = *(float*)&b[i];
  18. 	}
  19.  
  20.  
  21. 	for (i = 0; i < len; ++i) {
  22. 		printf("%f ", a[i]);
  23. 	}
  24. 	printf("\n");
  25.  
  26. }
  27.  
  28. int main(int ac, char **av) {
  29. 	testFloat();
  30. }
Success #stdin #stdout 0s 2112KB
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1.100000 2.200000 3.300000
https://ideone.com/rb6xUJ
language:
C (gcc 8.3)
created:
8 years ago
visibility:
public

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