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pypocketfft
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Martin Reinecke
pypocketfft
Commits
5331805d
Commit
5331805d
authored
Apr 27, 2019
by
Martin Reinecke
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polishing
parent
d6c1f716
Changes
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pocketfft.cc
pocketfft.cc
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pocketfft.cc
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5331805d
...
...
@@ -2225,13 +2225,13 @@ template<typename T> void pocketfft_general_hartley(const shape_t &shape,
plan
->
forward
((
T
*
)
tdata
,
fct
);
// Hartley order
data_out
[
it_out
.
offset
()]
=
tdata
[
0
];
size_t
i
=
1
,
i1
=
1
,
i2
=
it_out
.
length
()
-
1
;
size_t
i
=
1
,
i1
=
1
,
i2
=
len
()
-
1
;
for
(
i
=
1
;
i
<
len
-
1
;
i
+=
2
,
++
i1
,
--
i2
)
{
data_out
[
it_out
.
offset
()
+
i1
*
s_o
]
=
tdata
[
i
]
+
tdata
[
i
+
1
];
data_out
[
it_out
.
offset
()
+
i2
*
s_o
]
=
tdata
[
i
]
-
tdata
[
i
+
1
];
}
if
(
i
<
it_out
.
length
()
)
if
(
i
<
len
)
data_out
[
it_out
.
offset
()
+
i1
*
s_o
]
=
tdata
[
i
];
it_in
.
advance
();
it_out
.
advance
();
...
...
@@ -2269,13 +2269,13 @@ template<typename T> void pocketfft_general_r2c(const shape_t &shape,
plan
.
forward
((
vtype
*
)
tdatav
,
fct
);
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
data_out
[
p_o
[
j
]].
Set
(
tdatav
[
0
][
j
]);
size_t
i
;
for
(
i
=
1
;
i
<
len
-
1
;
i
+=
2
)
size_t
i
=
1
,
ii
=
1
;
for
(
;
i
<
len
-
1
;
i
+=
2
,
++
ii
)
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
data_out
[
p_o
[
j
]
+
((
i
+
1
)
/
2
)
*
s_o
].
Set
(
tdatav
[
i
][
j
],
tdatav
[
i
+
1
][
j
]);
data_out
[
p_o
[
j
]
+
ii
*
s_o
].
Set
(
tdatav
[
i
][
j
],
tdatav
[
i
+
1
][
j
]);
if
(
i
<
len
)
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
data_out
[
p_o
[
j
]
+
((
i
+
1
)
/
2
)
*
s_o
].
Set
(
tdatav
[
i
][
j
]);
data_out
[
p_o
[
j
]
+
ii
*
s_o
].
Set
(
tdatav
[
i
][
j
]);
}
while
(
it_in
.
remaining
()
>
0
)
{
...
...
@@ -2285,11 +2285,11 @@ template<typename T> void pocketfft_general_r2c(const shape_t &shape,
tdata
[
i
]
=
d_i
[
i
*
s_i
];
plan
.
forward
(
tdata
,
fct
);
d_o
[
0
].
Set
(
tdata
[
0
]);
size_t
i
;
for
(
i
=
1
;
i
<
len
-
1
;
i
+=
2
)
d_o
[
((
i
+
1
)
/
2
)
*
s_o
].
Set
(
tdata
[
i
],
tdata
[
i
+
1
]);
size_t
i
=
1
,
ii
=
1
;
for
(
;
i
<
len
-
1
;
i
+=
2
,
++
ii
)
d_o
[
ii
*
s_o
].
Set
(
tdata
[
i
],
tdata
[
i
+
1
]);
if
(
i
<
len
)
d_o
[
((
i
+
1
)
/
2
)
*
s_o
].
Set
(
tdata
[
i
]);
d_o
[
ii
*
s_o
].
Set
(
tdata
[
i
]);
it_in
.
advance
();
it_out
.
advance
();
}
...
...
@@ -2315,16 +2315,16 @@ template<typename T> void pocketfft_general_c2r(const shape_t &shape_out,
multioffset
<
vlen
>
p_i
(
it_in
),
p_o
(
it_out
);
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
tdatav
[
0
][
j
]
=
data_in
[
p_i
[
j
]].
r
;
size_t
i
;
for
(
i
=
1
;
i
<
len
-
1
;
i
+=
2
)
size_t
i
=
1
,
ii
=
1
;
for
(
;
i
<
len
-
1
;
i
+=
2
,
++
ii
)
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
{
tdatav
[
i
][
j
]
=
data_in
[
p_i
[
j
]
+
((
i
+
1
)
/
2
)
*
s_i
].
r
;
tdatav
[
i
+
1
][
j
]
=
data_in
[
p_i
[
j
]
+
((
i
+
1
)
/
2
)
*
s_i
].
i
;
tdatav
[
i
][
j
]
=
data_in
[
p_i
[
j
]
+
ii
*
s_i
].
r
;
tdatav
[
i
+
1
][
j
]
=
data_in
[
p_i
[
j
]
+
ii
*
s_i
].
i
;
}
if
(
i
<
len
)
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
tdatav
[
i
][
j
]
=
data_in
[
p_i
[
j
]
+
((
i
+
1
)
/
2
)
*
s_i
].
r
;
tdatav
[
i
][
j
]
=
data_in
[
p_i
[
j
]
+
ii
*
s_i
].
r
;
plan
.
backward
(
tdatav
,
fct
);
for
(
size_t
i
=
0
;
i
<
len
;
++
i
)
for
(
size_t
j
=
0
;
j
<
vlen
;
++
j
)
...
...
@@ -2335,15 +2335,14 @@ template<typename T> void pocketfft_general_c2r(const shape_t &shape_out,
const
cmplx
<
T
>
*
d_i
=
data_in
+
it_in
.
offset
();
T
*
d_o
=
data_out
+
it_out
.
offset
();
tdata
[
0
]
=
d_i
[
0
].
r
;
size_t
i
;
for
(
i
=
1
;
i
<
len
-
1
;
i
+=
2
)
size_t
i
=
1
,
ii
=
1
;
for
(
;
i
<
len
-
1
;
i
+=
2
,
++
ii
)
{
size_t
ii
=
(
i
+
1
)
/
2
;
tdata
[
i
]
=
d_i
[
ii
*
s_i
].
r
;
tdata
[
i
+
1
]
=
d_i
[
ii
*
s_i
].
i
;
}
if
(
i
<
len
)
tdata
[
i
]
=
d_i
[
((
i
+
1
)
/
2
)
*
s_i
].
r
;
tdata
[
i
]
=
d_i
[
ii
*
s_i
].
r
;
plan
.
backward
(
tdata
,
fct
);
for
(
size_t
i
=
0
;
i
<
len
;
++
i
)
d_o
[
i
*
s_o
]
=
tdata
[
i
];
...
...
@@ -2581,7 +2580,7 @@ axes : list of integers
fct : float
Normalization factor
inplace : bool
if False, returns the esult in a new array and leaves the input unchanged.
if False, returns the
r
esult in a new array and leaves the input unchanged.
if True, stores the result in the input array and returns a handle to it.
Returns
...
...
@@ -2602,7 +2601,7 @@ axes : list of integers
fct : float
Normalization factor
inplace : bool
if False, returns the esult in a new array and leaves the input unchanged.
if False, returns the
r
esult in a new array and leaves the input unchanged.
if True, stores the result in the input array and returns a handle to it.
Returns
...
...
@@ -2668,7 +2667,7 @@ axes : list of integers
fct : float
Normalization factor
inplace : bool
if False, returns the esult in a new array and leaves the input unchanged.
if False, returns the
r
esult in a new array and leaves the input unchanged.
if True, stores the result in the input array and returns a handle to it.
Returns
...
...
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