Skip to content
GitLab
Projects
Groups
Snippets
Help
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in
Toggle navigation
P
pypocketfft
Project overview
Project overview
Details
Activity
Releases
Repository
Repository
Files
Commits
Branches
Tags
Contributors
Graph
Compare
Issues
4
Issues
4
List
Boards
Labels
Service Desk
Milestones
Merge Requests
2
Merge Requests
2
CI / CD
CI / CD
Pipelines
Jobs
Schedules
Operations
Operations
Incidents
Environments
Analytics
Analytics
CI / CD
Repository
Value Stream
Wiki
Wiki
Snippets
Snippets
Members
Members
Collapse sidebar
Close sidebar
Activity
Graph
Create a new issue
Jobs
Commits
Issue Boards
Open sidebar
Martin Reinecke
pypocketfft
Commits
bdd8ea12
Commit
bdd8ea12
authored
Apr 28, 2019
by
Martin Reinecke
Browse files
Options
Browse Files
Download
Email Patches
Plain Diff
more cleanup
parent
367ace56
Changes
1
Hide whitespace changes
Inline
Side-by-side
Showing
1 changed file
with
22 additions
and
49 deletions
+22
-49
pocketfft.cc
pocketfft.cc
+22
-49
No files found.
pocketfft.cc
View file @
bdd8ea12
...
...
@@ -248,7 +248,7 @@ class sincos_2pibyn
}
public:
sincos_2pibyn
(
size_t
n
,
bool
half
)
NOINLINE
sincos_2pibyn
(
size_t
n
,
bool
half
)
:
data
(
2
*
n
)
{
sincos_2pibyn_half
(
n
,
data
.
data
());
...
...
@@ -1968,26 +1968,8 @@ template<typename T0> class pocketfft_r
using
shape_t
=
vector
<
size_t
>
;
using
stride_t
=
vector
<
int64_t
>
;
struct
diminfo
{
size_t
n
;
int64_t
s
;
};
struct
diminfo_io
{
size_t
n
;
int64_t
s_i
,
s_o
;
};
class
multiarr
{
private:
vector
<
diminfo
>
dim
;
public:
multiarr
(
const
shape_t
&
n
,
const
stride_t
&
s
)
{
dim
.
reserve
(
n
.
size
());
for
(
size_t
i
=
0
;
i
<
n
.
size
();
++
i
)
dim
.
push_back
({
n
[
i
],
s
[
i
]});
}
size_t
ndim
()
const
{
return
dim
.
size
();
}
size_t
size
(
size_t
i
)
const
{
return
dim
[
i
].
n
;
}
int64_t
stride
(
size_t
i
)
const
{
return
dim
[
i
].
s
;
}
};
class
multi_iter_io
{
...
...
@@ -2000,17 +1982,18 @@ class multi_iter_io
size_t
rem
;
public:
multi_iter_io
(
const
multiarr
&
arr_i
,
const
multiarr
&
arr_o
,
size_t
idim
)
:
pos
(
arr_i
.
ndim
()
-
1
,
0
),
ofs_i
(
0
),
ofs_o
(
0
),
len_i
(
arr_i
.
size
(
idim
)),
len_o
(
arr_o
.
size
(
idim
)),
str_i
(
arr_i
.
stride
(
idim
)),
str_o
(
arr_o
.
stride
(
idim
)),
rem
(
1
)
{
dim
.
reserve
(
arr_i
.
ndim
()
-
1
);
for
(
size_t
i
=
0
;
i
<
arr_i
.
ndim
();
++
i
)
multi_iter_io
(
const
shape_t
&
shape_i
,
const
stride_t
&
stride_i
,
const
shape_t
&
shape_o
,
const
stride_t
&
stride_o
,
size_t
idim
)
:
pos
(
shape_i
.
size
()
-
1
,
0
),
ofs_i
(
0
),
ofs_o
(
0
),
len_i
(
shape_i
[
idim
]),
len_o
(
shape_o
[
idim
]),
str_i
(
stride_i
[
idim
]),
str_o
(
stride_o
[
idim
]),
rem
(
1
)
{
dim
.
reserve
(
shape_i
.
size
()
-
1
);
for
(
size_t
i
=
0
;
i
<
shape_i
.
size
();
++
i
)
if
(
i
!=
idim
)
{
dim
.
push_back
({
arr_i
.
size
(
i
),
arr_i
.
stride
(
i
),
arr_o
.
stride
(
i
)
});
rem
*=
arr_i
.
size
(
i
)
;
dim
.
push_back
({
shape_i
[
i
],
stride_i
[
i
],
stride_o
[
i
]
});
rem
*=
shape_i
[
i
]
;
}
}
void
advance
()
...
...
@@ -2126,12 +2109,12 @@ template<typename T> NOINLINE void pocketfft_general_c(const shape_t &shape,
auto
tdata
=
(
cmplx
<
T
>
*
)
storage
.
data
();
constexpr
int
vlen
=
VTYPE
<
T
>::
vlen
;
multiarr
a_in
(
shape
,
stride_in
),
a_out
(
shape
,
stride_out
);
unique_ptr
<
pocketfft_c
<
T
>>
plan
;
for
(
size_t
iax
=
0
;
iax
<
axes
.
size
();
++
iax
)
{
multi_iter_io
it
(
a_in
,
a_out
,
axes
[
iax
]);
multi_iter_io
it
(
shape
,
iax
==
0
?
stride_in
:
stride_out
,
shape
,
stride_out
,
axes
[
iax
]);
size_t
len
=
it
.
length_in
();
int64_t
s_i
=
it
.
stride_in
(),
s_o
=
it
.
stride_out
();
if
((
!
plan
)
||
(
len
!=
plan
->
length
()))
...
...
@@ -2175,11 +2158,8 @@ template<typename T> NOINLINE void pocketfft_general_c(const shape_t &shape,
}
it
.
advance
();
}
// after the first dimension, take data from output array
a_in
=
a_out
;
data_in
=
data_out
;
// factor has been applied, use 1 for remaining axes
fct
=
T
(
1
);
data_in
=
data_out
;
// after the first dimension, take data from output array
fct
=
T
(
1
);
// factor has been applied, use 1 for remaining axes
}
}
...
...
@@ -2193,12 +2173,12 @@ template<typename T> NOINLINE void pocketfft_general_hartley(const shape_t &shap
constexpr
int
vlen
=
VTYPE
<
T
>::
vlen
;
auto
tdata
=
(
T
*
)
storage
.
data
();
multiarr
a_in
(
shape
,
stride_in
),
a_out
(
shape
,
stride_out
);
unique_ptr
<
pocketfft_r
<
T
>>
plan
;
for
(
size_t
iax
=
0
;
iax
<
axes
.
size
();
++
iax
)
{
multi_iter_io
it
(
a_in
,
a_out
,
axes
[
iax
]);
multi_iter_io
it
(
shape
,
iax
==
0
?
stride_in
:
stride_out
,
shape
,
stride_out
,
axes
[
iax
]);
size_t
len
=
it
.
length_in
();
int64_t
s_i
=
it
.
stride_in
(),
s_o
=
it
.
stride_out
();
if
((
!
plan
)
||
(
len
!=
plan
->
length
()))
...
...
@@ -2241,11 +2221,8 @@ template<typename T> NOINLINE void pocketfft_general_hartley(const shape_t &shap
data_out
[
it
.
offset_out
()
+
i1
*
s_o
]
=
tdata
[
i
];
it
.
advance
();
}
// after the first dimension, take data from output array
a_in
=
a_out
;
data_in
=
data_out
;
// factor has been applied, use 1 for remaining axes
fct
=
T
(
1
);
data_in
=
data_out
;
// after the first dimension, take data from output array
fct
=
T
(
1
);
// factor has been applied, use 1 for remaining axes
}
}
...
...
@@ -2259,9 +2236,8 @@ template<typename T> NOINLINE void pocketfft_general_r2c(const shape_t &shape,
constexpr
int
vlen
=
VTYPE
<
T
>::
vlen
;
auto
tdata
=
(
T
*
)
storage
.
data
();
multiarr
a_in
(
shape
,
stride_in
),
a_out
(
shape
,
stride_out
);
pocketfft_r
<
T
>
plan
(
shape
[
axis
]);
multi_iter_io
it
(
a_in
,
a
_out
,
axis
);
multi_iter_io
it
(
shape
,
stride_in
,
shape
,
stride
_out
,
axis
);
size_t
len
=
shape
[
axis
];
int64_t
s_i
=
it
.
stride_in
(),
s_o
=
it
.
stride_out
();
if
(
vlen
>
1
)
...
...
@@ -2308,9 +2284,8 @@ template<typename T> NOINLINE void pocketfft_general_c2r(const shape_t &shape_ou
constexpr
int
vlen
=
VTYPE
<
T
>::
vlen
;
auto
tdata
=
(
T
*
)
storage
.
data
();
multiarr
a_in
(
shape_out
,
stride_in
),
a_out
(
shape_out
,
stride_out
);
pocketfft_r
<
T
>
plan
(
shape_out
[
axis
]);
multi_iter_io
it
(
a_in
,
a
_out
,
axis
);
multi_iter_io
it
(
shape_out
,
stride_in
,
shape_out
,
stride
_out
,
axis
);
size_t
len
=
shape_out
[
axis
];
int64_t
s_i
=
it
.
stride_in
(),
s_o
=
it
.
stride_out
();
if
(
vlen
>
1
)
...
...
@@ -2509,9 +2484,7 @@ template<typename T>py::array complex2hartley(const py::array &in,
auto
stride_tmp
(
copy_strides
(
tmp
)),
stride_out
(
copy_strides
(
out
));
auto
axes
=
makeaxes
(
in
,
axes_
);
size_t
axis
=
axes
.
back
();
multiarr
a_tmp
(
dims_tmp
,
stride_tmp
),
a_out
(
dims_out
,
stride_out
);
multi_iter_io
it
(
a_tmp
,
a_out
,
axis
);
multi_iter_io
it
(
dims_tmp
,
stride_tmp
,
dims_out
,
stride_out
,
axis
);
const
cmplx
<
T
>
*
tdata
=
(
const
cmplx
<
T
>
*
)
tmp
.
data
();
T
*
odata
=
(
T
*
)
out
.
mutable_data
();
vector
<
bool
>
swp
(
ndim
-
1
,
false
);
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment