| Geant4 Cross Reference |
1 // Copyright (C) 2010, Guy Barrand. All rights
2 // See the file tools.license for terms.
3
4 #ifndef tools_vec2f
5 #define tools_vec2f
6
7 #include "vec2"
8 #include "../S_STRING"
9 #include <cmath>
10
11 namespace tools {
12
13 class vec2f : public vec2<float> {
14 typedef vec2<float> parent;
15 public:
16 TOOLS_SCLASS(tools::vec2f) //for stype()
17 public:
18 vec2f():parent(){}
19 vec2f(const float a_vec[2]):parent(a_vec){}
20 vec2f(float a0,float a1):parent(a0,a1){}
21 virtual ~vec2f() {}
22 public:
23 vec2f(const vec2f& a_from): parent(a_from){}
24 vec2f& operator=(const vec2f& a_from){
25 parent::operator=(a_from);
26 return *this;
27 }
28
29 vec2f(const parent& a_from):parent(a_from){}
30
31 public: //operators
32 vec2f operator*(float a_v) const {
33 return vec2f(m_data[0]*a_v,
34 m_data[1]*a_v);
35 }
36 vec2f operator+(const vec2f& a_v) const {
37 return vec2f(m_data[0]+a_v.m_data[0],
38 m_data[1]+a_v.m_data[1]);
39 }
40 vec2f operator-(const vec2f& a_v) const {
41 return vec2f(m_data[0]-a_v.m_data[0],
42 m_data[1]-a_v.m_data[1]);
43 }
44 vec2f& operator+=(const vec2f& a_v) {
45 m_data[0] += a_v.m_data[0];
46 m_data[1] += a_v.m_data[1];
47 return *this;
48 }
49 vec2f& operator*=(float a_v) {
50 m_data[0] *= a_v;
51 m_data[1] *= a_v;
52 return *this;
53 }
54 vec2f operator-() const {
55 return vec2f(-m_data[0],-m_data[1]);
56 }
57 public:
58 #define TOOLS_VEC2F_MORE_PREC
59 #ifdef TOOLS_VEC2F_MORE_PREC
60 float length() const {
61 return float(::sqrt(m_data[0]*m_data[0]+m_
62 }
63 float normalize() {
64 float norme = length();
65 if(!norme) return 0;
66 divide(norme);
67 return norme;
68 }
69 #else
70 float length() const {return parent::length(
71 float normalize() {return parent::normalize(
72 #endif
73 public: //iv2sg
74 bool equals(const vec2f& a_v,const float a_e
75 //if(a_epsil<0.0f))
76 float d0 = m_data[0]-a_v.m_data[0];
77 float d1 = m_data[1]-a_v.m_data[1];
78 return ((d0*d0+d1*d1)<=a_epsil);
79 }
80 void negate() {
81 m_data[0] = -m_data[0];
82 m_data[1] = -m_data[1];
83 }
84
85 private:static void check_instantiation() {vec
86 };
87
88 inline vec2f operator*(float a_f,const vec2f&
89 vec2f res(a_v);
90 res *= a_f;
91 return res;
92 }
93
94 }
95
96 #include <vector>
97
98 namespace tools {
99
100 #ifndef SWIG
101 //for sf, mf :
102 inline bool set_from_vec(vec2f& a_v,const std:
103 if(a_sv.size()!=2) return false;
104 a_v[0] = a_sv[0];
105 a_v[1] = a_sv[1];
106 return true;
107 }
108 #endif
109
110 }
111
112 #endif