-
Notifications
You must be signed in to change notification settings - Fork 298
/
rotg.hpp
223 lines (197 loc) · 6.01 KB
/
rotg.hpp
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
//
// Copyright (c) 2002--2010
// Toon Knapen, Karl Meerbergen, Kresimir Fresl,
// Thomas Klimpel and Rutger ter Borg
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// THIS FILE IS AUTOMATICALLY GENERATED
// PLEASE DO NOT EDIT!
//
#ifndef BOOST_NUMERIC_BINDINGS_BLAS_LEVEL1_ROTG_HPP
#define BOOST_NUMERIC_BINDINGS_BLAS_LEVEL1_ROTG_HPP
#include <boost/assert.hpp>
#include <Core/Utils/numeric/bindings/begin.hpp>
#include <Core/Utils/numeric/bindings/is_mutable.hpp>
#include <Core/Utils/numeric/bindings/remove_imaginary.hpp>
#include <Core/Utils/numeric/bindings/size.hpp>
#include <Core/Utils/numeric/bindings/stride.hpp>
#include <Core/Utils/numeric/bindings/value_type.hpp>
#include <boost/static_assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/remove_const.hpp>
//
// The BLAS-backend is selected by defining a pre-processor variable,
// which can be one of
// * for CBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
// * for CUBLAS, define BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
// * netlib-compatible BLAS is the default
//
#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
#include <Core/Utils/numeric/bindings/blas/detail/cblas.h>
#include <Core/Utils/numeric/bindings/blas/detail/cblas_option.hpp>
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
#include <Core/Utils/numeric/bindings/blas/detail/cublas.h>
#include <Core/Utils/numeric/bindings/blas/detail/blas_option.hpp>
#else
#include <Core/Utils/numeric/bindings/blas/detail/blas.h>
#include <Core/Utils/numeric/bindings/blas/detail/blas_option.hpp>
#endif
namespace boost {
namespace numeric {
namespace bindings {
namespace blas {
//
// The detail namespace contains value-type-overloaded functions that
// dispatch to the appropriate back-end BLAS-routine.
//
namespace detail {
#if defined BOOST_NUMERIC_BINDINGS_BLAS_CBLAS
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * float value-type.
//
inline void rotg( float& a, float& b, float& c, float& s ) {
cblas_srotg( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * double value-type.
//
inline void rotg( double& a, double& b, double& c, double& s ) {
cblas_drotg( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * complex<float> value-type.
//
inline void rotg( std::complex<float>& a, std::complex<float>& b, float& c,
std::complex<float>& s ) {
// NOT FOUND();
}
//
// Overloaded function for dispatching to
// * CBLAS backend, and
// * complex<double> value-type.
//
inline void rotg( std::complex<double>& a, std::complex<double>& b, double& c,
std::complex<double>& s ) {
// NOT FOUND();
}
#elif defined BOOST_NUMERIC_BINDINGS_BLAS_CUBLAS
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * float value-type.
//
inline void rotg( float& a, float& b, float& c, float& s ) {
cublasSrotg( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * double value-type.
//
inline void rotg( double& a, double& b, double& c, double& s ) {
cublasDrotg( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * complex<float> value-type.
//
inline void rotg( std::complex<float>& a, std::complex<float>& b, float& c,
std::complex<float>& s ) {
cublasCrotg( &a, b, &c, &s );
}
//
// Overloaded function for dispatching to
// * CUBLAS backend, and
// * complex<double> value-type.
//
inline void rotg( std::complex<double>& a, std::complex<double>& b, double& c,
std::complex<double>& s ) {
cublasZrotg( &a, b, &c, &s );
}
#else
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * float value-type.
//
inline void rotg( float& a, float& b, float& c, float& s ) {
BLAS_SROTG( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * double value-type.
//
inline void rotg( double& a, double& b, double& c, double& s ) {
BLAS_DROTG( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * complex<float> value-type.
//
inline void rotg( std::complex<float>& a, std::complex<float>& b, float& c,
std::complex<float>& s ) {
BLAS_CROTG( &a, &b, &c, &s );
}
//
// Overloaded function for dispatching to
// * netlib-compatible BLAS backend (the default), and
// * complex<double> value-type.
//
inline void rotg( std::complex<double>& a, std::complex<double>& b, double& c,
std::complex<double>& s ) {
BLAS_ZROTG( &a, &b, &c, &s );
}
#endif
} // namespace detail
//
// Value-type based template class. Use this class if you need a type
// for dispatching to rotg.
//
template< typename Value >
struct rotg_impl {
typedef Value value_type;
typedef typename remove_imaginary< Value >::type real_type;
typedef void result_type;
//
// Static member function that
// * Deduces the required arguments for dispatching to BLAS, and
// * Asserts that most arguments make sense.
//
static result_type invoke( value_type& a, value_type& b, real_type& c,
value_type& s ) {
namespace bindings = ::boost::numeric::bindings;
detail::rotg( a, b, c, s );
}
};
//
// Functions for direct use. These functions are overloaded for temporaries,
// so that wrapped types can still be passed and used for write-access. Calls
// to these functions are passed to the rotg_impl classes. In the
// documentation, the const-overloads are collapsed to avoid a large number of
// prototypes which are very similar.
//
//
// Overloaded function for rotg. Its overload differs for
//
template< typename Value >
inline typename rotg_impl< Value >::result_type
rotg( Value& a, Value& b, Value& c, Value& s ) {
rotg_impl< Value >::invoke( a, b, c, s );
}
} // namespace blas
} // namespace bindings
} // namespace numeric
} // namespace boost
#endif