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
|
// 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 fn_clamp
//! @{
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_arma_type<T1>::value && is_cx<typename T1::elem_type>::no,
const mtOp<typename T1::elem_type, T1, op_clamp>
>::result
clamp(const T1& X, const typename T1::elem_type min_val, const typename T1::elem_type max_val)
{
arma_extra_debug_sigprint();
arma_debug_check( (min_val > max_val), "clamp(): min_val must be less than max_val" );
return mtOp<typename T1::elem_type, T1, op_clamp>(mtOp_dual_aux_indicator(), X, min_val, max_val);
}
template<typename T1>
arma_warn_unused
inline
const mtOpCube<typename T1::elem_type, T1, op_clamp>
clamp(const BaseCube<typename T1::elem_type,T1>& X, const typename T1::elem_type min_val, const typename T1::elem_type max_val, typename arma_not_cx<typename T1::elem_type>::result* junk = nullptr)
{
arma_extra_debug_sigprint();
arma_ignore(junk);
arma_debug_check( (min_val > max_val), "clamp(): min_val must be less than max_val" );
return mtOpCube<typename T1::elem_type, T1, op_clamp>(mtOpCube_dual_aux_indicator(), X.get_ref(), min_val, max_val);
}
template<typename T1>
arma_warn_unused
inline
typename
enable_if2
<
is_cx<typename T1::elem_type>::no,
SpMat<typename T1::elem_type>
>::result
clamp(const SpBase<typename T1::elem_type,T1>& X, const typename T1::elem_type min_val, const typename T1::elem_type max_val)
{
arma_extra_debug_sigprint();
typedef typename T1::elem_type eT;
arma_debug_check( (min_val > max_val), "clamp(): min_val must be less than max_val" );
SpMat<eT> out = X.get_ref();
out.sync();
const uword N = out.n_nonzero;
eT* out_values = access::rwp(out.values);
for(uword i=0; i<N; ++i)
{
eT& out_val = out_values[i];
out_val = (out_val < min_val) ? min_val : ( (out_val > max_val) ? max_val : out_val );
}
if( (min_val == eT(0)) || (max_val == eT(0)) ) { out.remove_zeros(); }
return out;
}
//! @}
|
