blob: 9cbf826af84a5d252c02c012817bb6cb8f88c392 (
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
|
// 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 fn_trunc_log
//! @{
template<typename eT>
arma_warn_unused
inline
static
typename arma_real_only<eT>::result
trunc_log(const eT x)
{
if(std::numeric_limits<eT>::is_iec559)
{
if(x == std::numeric_limits<eT>::infinity())
{
return Datum<eT>::log_max;
}
else
{
return (x <= eT(0)) ? Datum<eT>::log_min : std::log(x);
}
}
else
{
return std::log(x);
}
}
template<typename eT>
arma_warn_unused
inline
static
typename arma_integral_only<eT>::result
trunc_log(const eT x)
{
return eT( trunc_log( double(x) ) );
}
template<typename T>
arma_warn_unused
inline
static
std::complex<T>
trunc_log(const std::complex<T>& x)
{
return std::complex<T>( trunc_log( std::abs(x) ), std::arg(x) );
}
template<typename T1>
arma_warn_unused
arma_inline
typename enable_if2< is_arma_type<T1>::value, const eOp<T1, eop_trunc_log> >::result
trunc_log(const T1& A)
{
arma_extra_debug_sigprint();
return eOp<T1, eop_trunc_log>(A);
}
template<typename T1>
arma_warn_unused
arma_inline
const eOpCube<T1, eop_trunc_log>
trunc_log(const BaseCube<typename T1::elem_type,T1>& A)
{
arma_extra_debug_sigprint();
return eOpCube<T1, eop_trunc_log>(A.get_ref());
}
//! @}
|
