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  1. #include <stdio.h>
  2. #include <math.h>
  3.  
  4. #    define M_PI 3.14159265358979323846
  5.  
  6. static inline float DEGREES_TO_RADIANS(float degrees)
  7. {
  8.     return degrees * ((float) M_PI / 180.0f);
  9. }
  10.  
  11.  
  12. int main(void) {
  13. 	// your code goes here
  14. 	static float roundDegrees = 1.0f;
  15. 	static float linesPerSecond = 320.f;
  16. 	static float trianglePercentIncreasing = 90.f;
  17. 	static float fovDeg = 20.f;
  18. 	static float scanFrequency = 5.f;
  19. 	static float roundFactor = 9.8f;
  20. 	static float angleOffset = 0;
  21. 	    const float minDeg =
  22.         (-fovDeg / 2) + angleOffset;
  23.     const float ScanMinPosition = DEGREES_TO_RADIANS(minDeg);
  24.     const float maxDeg =
  25.         (fovDeg / 2) + angleOffset;
  26.     const float ScanMaxPosition = DEGREES_TO_RADIANS(maxDeg);
  27. 	const float rpos            = DEGREES_TO_RADIANS(roundDegrees);
  28.     const float scanPeriodInLines =
  29.         linesPerSecond / scanFrequency;
  30.  
  31.     /* Sanitize the parameters */
  32.     const float period1 =
  33.         (scanPeriodInLines * trianglePercentIncreasing) / 100;
  34.     const float periodRseg1 =
  35.         ((period1 * roundDegrees) / fovDeg) *
  36.         roundFactor;
  37.     const float periodStraight1 = period1 - (2 * periodRseg1);
  38.  
  39.     const float period2 = scanPeriodInLines - period1;
  40.     const float periodRseg2 =
  41.         ((period2 * roundDegrees) / fovDeg) *
  42.         roundFactor;
  43.     const float periodStraight2 = period2 - (2 * periodRseg2);
  44.  
  45.     if (rpos >= ((ScanMaxPosition - ScanMinPosition) / 2) ||
  46.         periodStraight1 <=
  47.             0.16 || /* Leave some room for a slope on the straight portion */
  48.         periodStraight2 <= 0.16)
  49.     {
  50.     	printf("hit, periodStraight1=%f, periodStraight2=%f", periodStraight1, periodStraight2);
  51.     }
  52.     else
  53.     {
  54.     	printf("periodStraight1=%f, periodStraight2=%f", periodStraight1, periodStraight2);
  55.     }
  56. 	return 0;
  57. }
  58.  
Success #stdin #stdout 0s 5312KB
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Standard input is empty
stdout
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hit, periodStraight1=1.152000, periodStraight2=0.128000
https://ideone.com/uEtMOo
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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