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vector.h

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00001 #ifndef MSL_VECTOR_H
00002 #define MSL_VECTOR_H
00003 
00004 #include <stream.h>
00005 #include <list.h>
00006 #include <vector.h>
00007 
00008 void error_handler(int i, const char* s);
00009 
00010 class MSLVector
00011 {
00012   friend class MSLMatrix;
00013 
00014   double* v;
00015   int d;
00016 
00017   void check_dimensions(const MSLVector&) const;
00018  
00019 public:
00020 
00021   MSLVector(); 
00022   MSLVector(int d); 
00023   MSLVector(double a, double b);
00024   MSLVector(double a, double b, double c);
00025   MSLVector(const MSLVector& w, int prec);
00026   MSLVector(const MSLVector&);
00027   ~MSLVector(); 
00028   MSLVector& operator=(const MSLVector&);
00029 
00030   int    dim()    const { return d; }
00031   double& operator[](int i);
00032   double  operator[](int) const;
00033   double  hcoord(int i) const { return (i<d) ? (*this)[i] : 1; }
00034   double  coord(int i)  const { return (*this)[i]; }
00035   double sqr_length() const;
00036   double length() const;
00037   MSLVector norm() const { return *this/length(); }
00038   double angle(const MSLVector& w) const; 
00039   MSLVector rotate90() const;
00040   MSLVector rotate(double a) const;
00041   MSLVector& operator+=(const MSLVector&);
00042   MSLVector& operator-=(const MSLVector&);
00043   MSLVector  operator+(const MSLVector& v1) const;
00044   MSLVector  operator-(const MSLVector& v1) const;
00045   double  operator*(const MSLVector& v1) const;
00046   MSLVector  operator*(double r)        const;
00047   MSLVector  operator-() const;
00048   MSLVector  operator/(double)        const;
00049   bool     operator==(const MSLVector& w) const;
00050   bool     operator!=(const MSLVector& w)  const { return !(*this == w); }
00051   friend MSLVector operator*(double f, const MSLVector& v) { return v *f; }
00052   void print(ostream& O);
00053   void print() { print(cout); }
00054   void read(istream& I);
00055   void read() { read(cin); }
00056   friend ostream& operator<<(ostream& O, const MSLVector& v);
00057   friend istream& operator>>(istream& I, MSLVector& v);
00058   friend istream& operator>>(istream& is, list<MSLVector> & vl);
00059   friend ostream& operator<<(ostream& os, const list<MSLVector> & vl);
00060   friend istream& operator>>(istream& is, vector<MSLVector> & vl);
00061   friend ostream& operator<<(ostream& os, const vector<MSLVector> & vl);
00062 };
00063 
00064 
00065 #endif
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