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  1. #include <stdio.h>
  2. #include <inttypes.h>
  3. #include <string.h>
  4.  
  5. int main(void)
  6. {
  7. 	float a = 1.0f;
  8. 	double b = a;
  9.  
  10. 	uint32_t a32, b32;
  11. 	uint64_t b64;
  12.  
  13. 	memcpy(&a32, &a, sizeof(a32));
  14. 	memcpy(&b64, &b, sizeof(b64));
  15. 	memcpy(&b32, &b, sizeof(b32));
  16.  
  17. 	printf("a32 = %" PRIu32 "\n", a32);
  18. 	printf("b64 = %" PRIu64 "\n", b64);
  19. 	printf("b32 = %" PRIu32 "\n", b32);
  20.  
  21. 	return 0;
  22. }
  23.  
Success #stdin #stdout 0s 4532KB
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stdin
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Standard input is empty
stdout
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a32 = 1065353216
b64 = 4607182418800017408
b32 = 0
https://ideone.com/lSlnDn
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

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