aboutsummaryrefslogtreecommitdiffhomepage
path: root/third_party/eigen3/Eigen/src/plugins/ArrayCwiseUnaryOps.h
blob: ea6778c3f5486e68d6926f7d3776435cd71a3684 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245


/** \returns an expression of the coefficient-wise absolute value of \c *this
  *
  * Example: \include Cwise_abs.cpp
  * Output: \verbinclude Cwise_abs.out
  *
  * \sa abs2()
  */
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const CwiseUnaryOp<internal::scalar_abs_op<Scalar>, const Derived>
abs() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise squared absolute value of \c *this
  *
  * Example: \include Cwise_abs2.cpp
  * Output: \verbinclude Cwise_abs2.out
  *
  * \sa abs(), square()
  */
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const CwiseUnaryOp<internal::scalar_abs2_op<Scalar>, const Derived>
abs2() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise exponential of *this.
  *
  * Example: \include Cwise_exp.cpp
  * Output: \verbinclude Cwise_exp.out
  *
  * \sa pow(), log(), sin(), cos()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_exp_op<Scalar>, const Derived>
exp() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise logarithm of *this.
  *
  * Example: \include Cwise_log.cpp
  * Output: \verbinclude Cwise_log.out
  *
  * \sa exp()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_log_op<Scalar>, const Derived>
log() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise square root of *this.
  *
  * Example: \include Cwise_sqrt.cpp
  * Output: \verbinclude Cwise_sqrt.out
  *
  * \sa rsqrt(), pow(), square()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_sqrt_op<Scalar>, const Derived>
sqrt() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise reciprocal square root of *this.
  *
  * \sa sqrt(), pow(), square()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_rsqrt_op<Scalar>, const Derived>
rsqrt() const
{
  return derived();
}


/** \returns an expression of the coefficient-wise cosine of *this.
  *
  * Example: \include Cwise_cos.cpp
  * Output: \verbinclude Cwise_cos.out
  *
  * \sa sin(), acos()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_cos_op<Scalar>, const Derived>
cos() const
{
  return derived();
}


/** \returns an expression of the coefficient-wise sine of *this.
  *
  * Example: \include Cwise_sin.cpp
  * Output: \verbinclude Cwise_sin.out
  *
  * \sa cos(), asin()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_sin_op<Scalar>, const Derived>
sin() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise arc cosine of *this.
  *
  * Example: \include Cwise_acos.cpp
  * Output: \verbinclude Cwise_acos.out
  *
  * \sa cos(), asin()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_acos_op<Scalar>, const Derived>
acos() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise arc sine of *this.
  *
  * Example: \include Cwise_asin.cpp
  * Output: \verbinclude Cwise_asin.out
  *
  * \sa sin(), acos()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_asin_op<Scalar>, const Derived>
asin() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise tan of *this.
  *
  * Example: \include Cwise_tan.cpp
  * Output: \verbinclude Cwise_tan.out
  *
  * \sa cos(), sin()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_tan_op<Scalar>, Derived>
tan() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise arc tan of *this.
  *
  * Example: \include Cwise_atan.cpp
  * Output: \verbinclude Cwise_atan.out
  *
  * \sa cos(), sin(), tan()
  */
inline const CwiseUnaryOp<internal::scalar_atan_op<Scalar>, Derived>
atan() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise power of *this to the given exponent.
  *
  * Example: \include Cwise_pow.cpp
  * Output: \verbinclude Cwise_pow.out
  *
  * \sa exp(), log()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_pow_op<Scalar>, const Derived>
pow(const Scalar& exponent) const
{
  return CwiseUnaryOp<internal::scalar_pow_op<Scalar>, const Derived>
          (derived(), internal::scalar_pow_op<Scalar>(exponent));
}


/** \returns an expression of the coefficient-wise inverse of *this.
  *
  * Example: \include Cwise_inverse.cpp
  * Output: \verbinclude Cwise_inverse.out
  *
  * \sa operator/(), operator*()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_inverse_op<Scalar>, const Derived>
inverse() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise square of *this.
  *
  * Example: \include Cwise_square.cpp
  * Output: \verbinclude Cwise_square.out
  *
  * \sa operator/(), operator*(), abs2()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_square_op<Scalar>, const Derived>
square() const
{
  return derived();
}

/** \returns an expression of the coefficient-wise cube of *this.
  *
  * Example: \include Cwise_cube.cpp
  * Output: \verbinclude Cwise_cube.out
  *
  * \sa square(), pow()
  */
EIGEN_DEVICE_FUNC
inline const CwiseUnaryOp<internal::scalar_cube_op<Scalar>, const Derived>
cube() const
{
  return derived();
}

#define EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(METHOD_NAME,FUNCTOR) \
  EIGEN_DEVICE_FUNC \
  inline const CwiseUnaryOp<std::binder2nd<FUNCTOR<Scalar> >, const Derived> \
  METHOD_NAME(const Scalar& s) const { \
    return CwiseUnaryOp<std::binder2nd<FUNCTOR<Scalar> >, const Derived> \
            (derived(), std::bind2nd(FUNCTOR<Scalar>(), s)); \
  } \
  friend inline const CwiseUnaryOp<std::binder1st<FUNCTOR<Scalar> >, const Derived> \
  METHOD_NAME(const Scalar& s, const Derived& d) { \
    return CwiseUnaryOp<std::binder1st<FUNCTOR<Scalar> >, const Derived> \
            (d, std::bind1st(FUNCTOR<Scalar>(), s)); \
  }

EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator==,  std::equal_to)
EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator!=,  std::not_equal_to)
EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator<,   std::less)
EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator<=,  std::less_equal)
EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator>,   std::greater)
EIGEN_MAKE_SCALAR_CWISE_UNARY_OP(operator>=,  std::greater_equal)