IMP Reference Guide  2.7.0 The Integrative Modeling Platform
algebra_macros.h
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1 /**
2  * \file IMP/algebra/algebra_macros.h
3  * \brief Various helper macros.
4  *
6  *
7  */
8
9 #ifndef IMPALGEBRA_MACROS_H
10 #define IMPALGEBRA_MACROS_H
12 #include <boost/range/iterator_range.hpp>
13
14 #ifdef SWIG
15 #define IMP_ALGEBRA_VECTOR_SWIG_METHODS(D) VectorD(const Floats &f);
16 #else
17 #define IMP_ALGEBRA_VECTOR_SWIG_METHODS(D) \
18  template <class R> \
19  VectorD &operator=(const R &o) { \
20  P::operator=(o); \
21  return *this; \
22  }
23
24 #endif
25
26 #define IMP_ALGEBRA_VECTOR_METHODS(D) \
27  typedef VectorBaseD<D> P; \
28  \
29  public: \
30  /** \brief Will accept a list of floats from Python. */ \
31  template <class Range> \
32  explicit VectorD(const Range &r) \
33  : P(r) {} \
34  template <int OD> \
35  VectorD(const VectorD<OD> &o) \
36  : P(o) { \
37  BOOST_STATIC_ASSERT(OD == D || OD == -1 || D == -1); \
38  } \
39  IMP_ALGEBRA_VECTOR_SWIG_METHODS(D); \
40  /** The distance between b and e must be equal to D. \
41  */ \
42  template <class It> \
43  VectorD(It b, It e) \
44  : P(boost::make_iterator_range(b, e)) {} \
45  VectorD() {} \
46  VectorD get_unit_vector() const { return algebra::get_unit_vector(*this); } \
47  VectorD operator*(double s) const { \
48  VectorD ret(*this); \
49  ret *= s; \
50  return ret; \
51  } \
52  VectorD operator/(double s) const { \
53  VectorD ret(*this); \
54  ret /= s; \
55  return ret; \
56  } \
57  VectorD operator-() const { \
58  VectorD ret(*this); \
59  ret *= -1; \
60  return ret; \
61  } \
62  VectorD operator-(const VectorD &o) const { \
63  VectorD ret(*this); \
64  ret -= o; \
65  return ret; \
66  } \
67  VectorD operator+(VectorD ret) const { \
68  ret += *this; \
69  return ret; \
70  } \
71  VectorD &operator+=(const VectorD &o) { \
72  P::operator+=(o); \
73  return *this; \
74  } \
75  VectorD &operator-=(const VectorD &o) { \
76  P::operator-=(o); \
77  return *this; \
78  } \
79  VectorD &operator/=(double f) { \
80  P::operator/=(f); \
81  return *this; \
82  } \
83  VectorD &operator*=(double f) { \
84  P::operator*=(f); \
85  return *this; \
86  } \
87  /* for swig as it doesn't like using. */ \
88  double operator*(const VectorD &o) const { return P::operator*(o); }
89
90 #endif /* IMPALGEBRA_MACROS_H */
Various important macros for implementing geometry.