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TVector.cpp

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Mar 22nd, 2018
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C++ 0.77 KB | None | 0 0
  1. #include "TVector.h"
  2.  
  3. TVector::TVector()
  4. {
  5.     this->x = 0;
  6.     this->y = 0;
  7. }
  8.  
  9. TVector::TVector(double x_, double y_)
  10. {
  11.     x = x_;
  12.     y = y_;
  13. }
  14.  
  15. TVector TVector::operator+ (const TVector& p)
  16. {
  17.     return TVector(x + p.x, y + p.y);
  18. }
  19.  
  20. TVector TVector::operator- (const TVector& p)
  21. {
  22.     return TVector(x - p.x, y - p.y);
  23. }
  24.  
  25. double TVector::operator* (const TVector& p)
  26. {
  27.     return x * p.x + y * p.y;
  28. }
  29.  
  30. TVector TVector::operator* (double scalar)  {
  31.     return TVector(x * scalar, y * scalar);
  32. }
  33.  
  34. double TVector::operator^ (const TVector& p)  {
  35.     return x * p.y - y * p.x;
  36. }
  37.  
  38.  
  39. bool TVector::isZero(double x)
  40. {
  41.     return std::abs(x) < eps;
  42. }
  43.  
  44. bool TVector::operator==(const TVector& p) {
  45.  
  46.     return isZero(x - p.x) && isZero(y - p.y);
  47. }
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