2 // VECTOR.H - vector class definition
5 // (C) 2003 Underground Software
15 vector(double a1=0.0, double b1=0.0, double c1=0.0, double a2=0.0, double b2=0.0, double c2=0.0);
16 vector(const vector &v1, const vector &v2);
17 vector& operator=(const vector &v);
18 bool operator==(const vector &v);
20 vector operator*(const vector &v); // Cross product: "this" x "v"
21 vector operator+(const vector &v);
22 vector operator-(const vector &v);
23 double dot(const vector &v1, const vector &v2);
24 double dot(const vector &v);
25 double distance(const vector &v); // Pythagoras extended to 3 dimensions
27 void operator*=(const double &d);
28 void operator/=(const double &d);
29 void operator+=(const vector &v);
30 void operator-=(const vector &v);
31 vector operator*(const double &d); // Scale vector by amount
32 void zero(const double epsilon = 1.0e-6);
35 #endif // __VECTOR_H__