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  1. #include <stdio.h>
  2.  
  3.  
  4. int clkRate()
  5. {
  6. 	return 2000;
  7. }
  8.  
  9.  
  10.  
  11. const int MILLISECONDS_PER_SECOND = 1000;
  12. #define MS_TO_TICKS(ms) ( ( (float)(ms)/ MILLISECONDS_PER_SECOND) * clkRate() )
  13.  
  14.  
  15. void convertAndPrint(int ms)
  16. {
  17. 	int  ticksInt;
  18. 	unsigned ticksUint;
  19. 	double ticksDbl;
  20. 	float ticksFlt;
  21.  
  22. 	ticksInt = MS_TO_TICKS(ms);
  23. 	ticksUint= MS_TO_TICKS(ms);
  24. 	ticksFlt = MS_TO_TICKS(ms);
  25. 	ticksDbl = MS_TO_TICKS(ms);
  26.  
  27. 	printf("Milliseconds: %i\n", ms);
  28. 	printf("Expected val: %i\n",ms*2);
  29. 	printf("Signed Int  : %2i\n"
  30. 		   "Unsigned Int: %2u\n"
  31. 		   "Floating Pnt: %.13f\n"
  32. 		   "Double Precn: %.13f\n"
  33. 		   "Direct Macro: %.13f\n",ticksInt,ticksUint,ticksFlt, ticksDbl, MS_TO_TICKS(ms));
  34.  
  35. }
  36.  
  37. void weirdConversionDemo(void)
  38. {
  39.  
  40.  
  41. 	convertAndPrint(7);
  42. 	printf("\n\n\n\n");
  43. 	convertAndPrint(10);
  44.  
  45. }
  46.  
  47.  
  48. int main(void) {
  49. 	weirdConversionDemo();
  50. 	return 0;
  51. }
  52.  
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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Milliseconds: 7
Expected val: 14
Signed Int  : 14
Unsigned Int: 14
Floating Pnt: 14.0000000000000
Double Precn: 14.0000000000000
Direct Macro: 14.0000000000000




Milliseconds: 10
Expected val: 20
Signed Int  : 20
Unsigned Int: 20
Floating Pnt: 20.0000000000000
Double Precn: 20.0000000000000
Direct Macro: 20.0000000000000
https://ideone.com/HaJVSJ
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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