summaryrefslogtreecommitdiffstats
path: root/src/armadillo/include/armadillo_bits/restrictors.hpp
blob: 019a5f414df6f11e336f5628d0e8670f5bbd4cbb (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
// SPDX-License-Identifier: Apache-2.0
// 
// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------


//! \addtogroup restrictors
//! @{



// structures for template based restrictions of input/output arguments
// (part of the SFINAE approach)
// http://en.wikipedia.org/wiki/SFINAE


template<typename T> struct arma_scalar_only { };

template<> struct arma_scalar_only< u8        > { typedef u8        result; };
template<> struct arma_scalar_only< s8        > { typedef s8        result; };
template<> struct arma_scalar_only< u16       > { typedef u16       result; };
template<> struct arma_scalar_only< s16       > { typedef s16       result; };
template<> struct arma_scalar_only< u32       > { typedef u32       result; };
template<> struct arma_scalar_only< s32       > { typedef s32       result; };
template<> struct arma_scalar_only< u64       > { typedef u64       result; };
template<> struct arma_scalar_only< s64       > { typedef s64       result; };
template<> struct arma_scalar_only< ulng_t    > { typedef ulng_t    result; };
template<> struct arma_scalar_only< slng_t    > { typedef slng_t    result; };
template<> struct arma_scalar_only< float     > { typedef float     result; };
template<> struct arma_scalar_only< double    > { typedef double    result; };
template<> struct arma_scalar_only< cx_float  > { typedef cx_float  result; };
template<> struct arma_scalar_only< cx_double > { typedef cx_double result; };



template<typename T> struct arma_integral_only { };

template<> struct arma_integral_only< u8     > { typedef u8  result; };
template<> struct arma_integral_only< s8     > { typedef s8  result; };
template<> struct arma_integral_only< u16    > { typedef u16 result; };
template<> struct arma_integral_only< s16    > { typedef s16 result; };
template<> struct arma_integral_only< u32    > { typedef u32 result; };
template<> struct arma_integral_only< s32    > { typedef s32 result; };
template<> struct arma_integral_only< u64    > { typedef u64 result; };
template<> struct arma_integral_only< s64    > { typedef s64 result; };
template<> struct arma_integral_only< ulng_t > { typedef ulng_t result; };
template<> struct arma_integral_only< slng_t > { typedef slng_t result; };



template<typename T> struct arma_unsigned_integral_only { };

template<> struct arma_unsigned_integral_only< u8     > { typedef u8     result; };
template<> struct arma_unsigned_integral_only< u16    > { typedef u16    result; };
template<> struct arma_unsigned_integral_only< u32    > { typedef u32    result; };
template<> struct arma_unsigned_integral_only< u64    > { typedef u64    result; };
template<> struct arma_unsigned_integral_only< ulng_t > { typedef ulng_t result; };



template<typename T> struct arma_signed_integral_only { };

template<> struct arma_signed_integral_only< s8     > { typedef s8     result; };
template<> struct arma_signed_integral_only< s16    > { typedef s16    result; };
template<> struct arma_signed_integral_only< s32    > { typedef s32    result; };
template<> struct arma_signed_integral_only< s64    > { typedef s64    result; };
template<> struct arma_signed_integral_only< slng_t > { typedef slng_t result; };



template<typename T> struct arma_signed_only { };

template<> struct arma_signed_only< s8        > { typedef s8        result; };
template<> struct arma_signed_only< s16       > { typedef s16       result; };
template<> struct arma_signed_only< s32       > { typedef s32       result; };
template<> struct arma_signed_only< s64       > { typedef s64       result; };
template<> struct arma_signed_only< slng_t    > { typedef slng_t    result; };
template<> struct arma_signed_only< float     > { typedef float     result; };
template<> struct arma_signed_only< double    > { typedef double    result; };
template<> struct arma_signed_only< cx_float  > { typedef cx_float  result; };
template<> struct arma_signed_only< cx_double > { typedef cx_double result; };



template<typename T> struct arma_real_only { };

template<> struct arma_real_only< float  > { typedef float  result; };
template<> struct arma_real_only< double > { typedef double result; };


template<typename T> struct arma_real_or_cx_only { };

template<> struct arma_real_or_cx_only< float     > { typedef float     result; };
template<> struct arma_real_or_cx_only< double    > { typedef double    result; };
template<> struct arma_real_or_cx_only< cx_float  > { typedef cx_float  result; };
template<> struct arma_real_or_cx_only< cx_double > { typedef cx_double result; };



template<typename T> struct arma_cx_only { };

template<> struct arma_cx_only< cx_float  > { typedef cx_float  result; };
template<> struct arma_cx_only< cx_double > { typedef cx_double result; };



template<typename T> struct arma_not_cx                    { typedef T result; };
template<typename T> struct arma_not_cx< std::complex<T> > { };



template<typename T> struct arma_blas_type_only { };

template<> struct arma_blas_type_only< float     > { typedef float     result; };
template<> struct arma_blas_type_only< double    > { typedef double    result; };
template<> struct arma_blas_type_only< cx_float  > { typedef cx_float  result; };
template<> struct arma_blas_type_only< cx_double > { typedef cx_double result; };



template<typename T> struct arma_not_blas_type { typedef T result; };

template<> struct arma_not_blas_type< float     > {  };
template<> struct arma_not_blas_type< double    > {  };
template<> struct arma_not_blas_type< cx_float  > {  };
template<> struct arma_not_blas_type< cx_double > {  };



template<typename T> struct arma_op_rel_only { };

template<> struct arma_op_rel_only< op_rel_lt_pre    > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_lt_post   > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_gt_pre    > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_gt_post   > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_lteq_pre  > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_lteq_post > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_gteq_pre  > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_gteq_post > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_eq        > { typedef int result; };
template<> struct arma_op_rel_only< op_rel_noteq     > { typedef int result; };



template<typename T> struct arma_not_op_rel { typedef int result; };

template<> struct arma_not_op_rel< op_rel_lt_pre    > { };
template<> struct arma_not_op_rel< op_rel_lt_post   > { };
template<> struct arma_not_op_rel< op_rel_gt_pre    > { };
template<> struct arma_not_op_rel< op_rel_gt_post   > { };
template<> struct arma_not_op_rel< op_rel_lteq_pre  > { };
template<> struct arma_not_op_rel< op_rel_lteq_post > { };
template<> struct arma_not_op_rel< op_rel_gteq_pre  > { };
template<> struct arma_not_op_rel< op_rel_gteq_post > { };
template<> struct arma_not_op_rel< op_rel_eq        > { };
template<> struct arma_not_op_rel< op_rel_noteq     > { };



template<typename T> struct arma_glue_rel_only { };

template<> struct arma_glue_rel_only< glue_rel_lt    > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_gt    > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_lteq  > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_gteq  > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_eq    > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_noteq > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_and   > { typedef int result; };
template<> struct arma_glue_rel_only< glue_rel_or    > { typedef int result; };



template<typename T> struct arma_Mat_Col_Row_only { };

template<typename eT> struct arma_Mat_Col_Row_only< Mat<eT> > { typedef Mat<eT> result; };
template<typename eT> struct arma_Mat_Col_Row_only< Col<eT> > { typedef Col<eT> result; };
template<typename eT> struct arma_Mat_Col_Row_only< Row<eT> > { typedef Row<eT> result; };



template<typename  T> struct arma_Cube_only             { };
template<typename eT> struct arma_Cube_only< Cube<eT> > { typedef Cube<eT> result; };


template<typename T> struct arma_SpMat_SpCol_SpRow_only { };

template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpMat<eT> > { typedef SpMat<eT> result; };
template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpCol<eT> > { typedef SpCol<eT> result; };
template<typename eT> struct arma_SpMat_SpCol_SpRow_only< SpRow<eT> > { typedef SpRow<eT> result; };



template<bool> struct enable_if       {                     };
template<>     struct enable_if<true> { typedef int result; };


template<bool, typename result_type > struct enable_if2                    {                             };
template<      typename result_type > struct enable_if2<true, result_type> { typedef result_type result; };



//! @}