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fft_plan_manager.cpp
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Created
Sun, Apr 28, 08:12
Size
3 KB
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text/x-c++
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Tue, Apr 30, 08:12 (2 d)
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blob
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17318141
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rTAMAAS tamaas
fft_plan_manager.cpp
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/**
* @file
* @section LICENSE
*
* Copyright (©) 2016-19 EPFL (École Polytechnique Fédérale de Lausanne),
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "fft_plan_manager.hh"
#include "fftransform_fftw.hh"
#if defined(USE_CUFFT)
#include "fftransform_cufft.hh"
#endif
#include <list>
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
/* -------------------------------------------------------------------------- */
FFTPlanManager
::~
FFTPlanManager
()
{
clean
();
}
/* -------------------------------------------------------------------------- */
namespace
detail
{
/// class purely for singleton instanciation
struct
PublicFFTPlanManager
:
public
FFTPlanManager
{};
}
// namespace detail
FFTPlanManager
&
FFTPlanManager
::
get
()
{
if
(
FFTPlanManager
::
singleton
==
nullptr
)
FFTPlanManager
::
singleton
=
std
::
make_unique
<
detail
::
PublicFFTPlanManager
>
();
return
*
FFTPlanManager
::
singleton
;
}
/* -------------------------------------------------------------------------- */
void
FFTPlanManager
::
clean
()
{
for
(
auto
pair
:
plans
)
{
delete
std
::
get
<
0
>
(
pair
.
second
);
delete
std
::
get
<
1
>
(
pair
.
second
);
}
plans
.
clear
();
}
/* -------------------------------------------------------------------------- */
template
<>
void
FFTPlanManager
::
destroyPlan
<
Real
>
(
const
Real
*
some
)
{
std
::
list
<
FFTMap
::
key_type
>
pairs
;
for
(
auto
&
pair
:
plans
)
{
if
(
pair
.
first
.
first
==
some
)
{
// C++14 use get<T>(pair.first)
delete
std
::
get
<
0
>
(
pair
.
second
);
delete
std
::
get
<
1
>
(
pair
.
second
);
pairs
.
push_back
(
pair
.
first
);
}
}
for
(
auto
&
pair
:
pairs
)
plans
.
erase
(
pair
);
}
/* -------------------------------------------------------------------------- */
template
<>
void
FFTPlanManager
::
destroyPlan
<
Complex
>
(
const
Complex
*
some
)
{
std
::
list
<
FFTMap
::
key_type
>
pairs
;
for
(
auto
&
pair
:
plans
)
{
if
(
pair
.
first
.
second
==
some
)
{
delete
std
::
get
<
0
>
(
pair
.
second
);
delete
std
::
get
<
1
>
(
pair
.
second
);
pairs
.
push_back
(
pair
.
first
);
}
}
for
(
auto
&
pair
:
pairs
)
plans
.
erase
(
pair
);
}
/* -------------------------------------------------------------------------- */
std
::
unique_ptr
<
FFTPlanManager
>
FFTPlanManager
::
singleton
=
nullptr
;
/* -------------------------------------------------------------------------- */
__END_TAMAAS__
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