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File indexing completed on 2021-02-14 14:22:35

0001 #ifndef Cordic_H
0002 #define Cordic_H
0003 
0004 #include <vector>
0005 #include <cstdint>
0006 
0007 class Cordic {
0008 public:
0009   Cordic(const uint32_t& aPhiScale, const uint32_t& aMagnitudeBits, const uint32_t& aSteps);
0010   virtual ~Cordic();
0011 
0012   void operator()(int32_t aX, int32_t aY, int32_t& aPhi, uint32_t& aMagnitude) const;
0013 
0014   double NormalizePhi(const uint32_t& aPhi) const;
0015   double NormalizeMagnitude(const uint32_t& aMagnitude) const;
0016   int32_t IntegerizeMagnitude(const double& aMagnitude) const;
0017 
0018 private:
0019   uint32_t tower(const double& aRadians) const;
0020 
0021 private:
0022   uint32_t mPhiScale;
0023   uint32_t mMagnitudeScale;
0024   uint32_t mMagnitudeBits;
0025   uint32_t mSteps;
0026   uint64_t mMagnitudeRenormalization;
0027   std::vector<uint32_t> mRotations;
0028 
0029   const double mPi;
0030 };
0031 
0032 #endif