comparison armadillo-3.900.4/include/armadillo_bits/fn_mean.hpp @ 49:1ec0e2823891

Switch to using subrepo copies of qm-dsp, nnls-chroma, vamp-plugin-sdk; update Armadillo version; assume build without external BLAS/LAPACK
author Chris Cannam
date Thu, 13 Jun 2013 10:25:24 +0100
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48:69251e11a913 49:1ec0e2823891
1 // Copyright (C) 2009-2012 NICTA (www.nicta.com.au)
2 // Copyright (C) 2009-2012 Conrad Sanderson
3 //
4 // This Source Code Form is subject to the terms of the Mozilla Public
5 // License, v. 2.0. If a copy of the MPL was not distributed with this
6 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
7
8
9 //! \addtogroup fn_mean
10 //! @{
11
12
13
14 template<typename T1>
15 arma_inline
16 const Op<T1, op_mean>
17 mean
18 (
19 const T1& X,
20 const uword dim = 0,
21 const typename enable_if< is_arma_type<T1>::value == true >::result* junk1 = 0,
22 const typename enable_if< resolves_to_vector<T1>::value == false >::result* junk2 = 0
23 )
24 {
25 arma_extra_debug_sigprint();
26 arma_ignore(junk1);
27 arma_ignore(junk2);
28
29 return Op<T1, op_mean>(X, dim, 0);
30 }
31
32
33
34 template<typename T1>
35 arma_inline
36 const Op<T1, op_mean>
37 mean
38 (
39 const T1& X,
40 const uword dim,
41 const typename enable_if<resolves_to_vector<T1>::value == true>::result* junk = 0
42 )
43 {
44 arma_extra_debug_sigprint();
45 arma_ignore(junk);
46
47 return Op<T1, op_mean>(X, dim, 0);
48 }
49
50
51
52 template<typename T1>
53 inline
54 arma_warn_unused
55 typename T1::elem_type
56 mean
57 (
58 const T1& X,
59 const arma_empty_class junk1 = arma_empty_class(),
60 const typename enable_if<resolves_to_vector<T1>::value == true>::result* junk2 = 0
61 )
62 {
63 arma_extra_debug_sigprint();
64 arma_ignore(junk1);
65 arma_ignore(junk2);
66
67 return op_mean::mean_all(X);
68 }
69
70
71
72 //! \brief
73 //! Immediate 'find mean value' operation,
74 //! invoked, for example, by: mean(mean(A))
75 template<typename T1>
76 inline
77 arma_warn_unused
78 typename T1::elem_type
79 mean(const Op<T1, op_mean>& in)
80 {
81 arma_extra_debug_sigprint();
82 arma_extra_debug_print("mean(): two consecutive mean() calls detected");
83
84 return op_mean::mean_all(in.m);
85 }
86
87
88
89 template<typename T1>
90 arma_inline
91 const Op< Op<T1, op_mean>, op_mean>
92 mean(const Op<T1, op_mean>& in, const uword dim)
93 {
94 arma_extra_debug_sigprint();
95
96 return Op< Op<T1, op_mean>, op_mean>(in, dim, 0);
97 }
98
99
100
101 template<typename T>
102 arma_inline
103 arma_warn_unused
104 const typename arma_scalar_only<T>::result &
105 mean(const T& x)
106 {
107 return x;
108 }
109
110
111
112 template<typename T1>
113 inline
114 arma_warn_unused
115 const SpOp<T1, spop_mean>
116 mean
117 (
118 const T1& X,
119 const uword dim = 0,
120 const typename enable_if< is_arma_sparse_type<T1>::value == true >::result* junk1 = 0,
121 const typename enable_if< resolves_to_sparse_vector<T1>::value == false >::result* junk2 = 0
122 )
123 {
124 arma_extra_debug_sigprint();
125
126 arma_ignore(junk1);
127 arma_ignore(junk2);
128
129 return SpOp<T1, spop_mean>(X, dim, 0);
130 }
131
132
133
134 template<typename T1>
135 inline
136 arma_warn_unused
137 const SpOp<T1, spop_mean>
138 mean
139 (
140 const T1& X,
141 const uword dim,
142 const typename enable_if< resolves_to_sparse_vector<T1>::value == true >::result* junk1 = 0
143 )
144 {
145 arma_extra_debug_sigprint();
146 arma_ignore(junk1);
147
148 return SpOp<T1, spop_mean>(X, dim, 0);
149 }
150
151
152
153 template<typename T1>
154 inline
155 arma_warn_unused
156 typename T1::elem_type
157 mean
158 (
159 const T1& X,
160 const arma_empty_class junk1 = arma_empty_class(),
161 const typename enable_if< resolves_to_sparse_vector<T1>::value == true >::result* junk2 = 0
162 )
163 {
164 arma_extra_debug_sigprint();
165
166 arma_ignore(junk1);
167 arma_ignore(junk2);
168
169 return spop_mean::mean_all(X);
170 }
171
172
173
174 template<typename T1>
175 inline
176 arma_warn_unused
177 typename T1::elem_type
178 mean(const SpOp<T1, spop_mean>& in)
179 {
180 arma_extra_debug_sigprint();
181 arma_extra_debug_print("mean(): two consecutive mean() calls detected");
182
183 return spop_mean::mean_all(in.m);
184 }
185
186
187
188 //! @}