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Martin Reinecke
ducc
Commits
bd30feab
Commit
bd30feab
authored
Jun 05, 2020
by
Martin Reinecke
Browse files
cleanup
parent
ef3bd6c6
Pipeline
#76172
passed with stages
in 13 minutes and 7 seconds
Changes
13
Pipelines
1
Hide whitespace changes
Inline
Side-by-side
python/demos/totalconvolve_accuracy.py
0 → 100644
View file @
bd30feab
import
ducc_0_1.totalconvolve
as
totalconvolve
import
numpy
as
np
import
ducc_0_1.sht
as
sht
import
ducc_0_1.misc
as
misc
import
time
import
matplotlib.pyplot
as
plt
np
.
random
.
seed
(
48
)
def
nalm
(
lmax
,
mmax
):
return
((
mmax
+
1
)
*
(
mmax
+
2
))
//
2
+
(
mmax
+
1
)
*
(
lmax
-
mmax
)
def
random_alm
(
lmax
,
mmax
,
ncomp
):
res
=
np
.
random
.
uniform
(
-
1.
,
1.
,
(
nalm
(
lmax
,
mmax
),
ncomp
))
\
+
1j
*
np
.
random
.
uniform
(
-
1.
,
1.
,
(
nalm
(
lmax
,
mmax
),
ncomp
))
# make a_lm with m==0 real-valued
res
[
0
:
lmax
+
1
,:].
imag
=
0.
return
res
def
compress_alm
(
alm
,
lmax
):
res
=
np
.
empty
(
2
*
len
(
alm
)
-
lmax
-
1
,
dtype
=
np
.
float64
)
res
[
0
:
lmax
+
1
]
=
alm
[
0
:
lmax
+
1
].
real
res
[
lmax
+
1
::
2
]
=
np
.
sqrt
(
2
)
*
alm
[
lmax
+
1
:].
real
res
[
lmax
+
2
::
2
]
=
np
.
sqrt
(
2
)
*
alm
[
lmax
+
1
:].
imag
return
res
def
myalmdot
(
a1
,
a2
,
lmax
,
mmax
,
spin
):
return
np
.
vdot
(
compress_alm
(
a1
,
lmax
),
compress_alm
(
np
.
conj
(
a2
),
lmax
))
def
convolve
(
alm1
,
alm2
,
lmax
):
job
=
sht
.
sharpjob_d
()
job
.
set_triangular_alm_info
(
lmax
,
lmax
)
job
.
set_gauss_geometry
(
lmax
+
1
,
2
*
lmax
+
1
)
map
=
job
.
alm2map
(
alm1
)
*
job
.
alm2map
(
alm2
)
job
.
set_triangular_alm_info
(
0
,
0
)
return
job
.
map2alm
(
map
)[
0
]
*
np
.
sqrt
(
4
*
np
.
pi
)
lmax
=
60
kmax
=
13
ncomp
=
1
separate
=
True
ncomp2
=
ncomp
if
separate
else
1
# get random sky a_lm
# the a_lm arrays follow the same conventions as those in healpy
slm
=
random_alm
(
lmax
,
lmax
,
ncomp
)
# build beam a_lm
blm
=
random_alm
(
lmax
,
kmax
,
ncomp
)
t0
=
time
.
time
()
# build interpolator object for slm and blm
foo
=
totalconvolve
.
PyInterpolator
(
slm
,
blm
,
separate
,
lmax
,
kmax
,
epsilon
=
1e-4
,
nthreads
=
2
)
print
(
"setup time: "
,
time
.
time
()
-
t0
)
nth
=
lmax
+
1
nph
=
2
*
lmax
+
1
# compute a convolved map at a fixed psi and compare it to a map convolved
# "by hand"
ptg
=
np
.
zeros
((
nth
,
nph
,
3
))
ptg
[:,:,
0
]
=
(
np
.
pi
*
(
0.5
+
np
.
arange
(
nth
))
/
nth
).
reshape
((
-
1
,
1
))
ptg
[:,:,
1
]
=
(
2
*
np
.
pi
*
(
0.5
+
np
.
arange
(
nph
))
/
nph
).
reshape
((
1
,
-
1
))
ptg
[:,:,
2
]
=
np
.
pi
*
0.2
t0
=
time
.
time
()
# do the actual interpolation
bar
=
foo
.
interpol
(
ptg
.
reshape
((
-
1
,
3
))).
reshape
((
nth
,
nph
,
ncomp2
))
print
(
"interpolation time: "
,
time
.
time
()
-
t0
)
plt
.
subplot
(
2
,
2
,
1
)
plt
.
imshow
(
bar
[:,:,
0
])
bar2
=
np
.
zeros
((
nth
,
nph
))
blmfull
=
np
.
zeros
(
slm
.
shape
)
+
0j
blmfull
[
0
:
blm
.
shape
[
0
],:]
=
blm
for
ith
in
range
(
nth
):
rbeamth
=
misc
.
rotate_alm
(
blmfull
[:,
0
],
lmax
,
ptg
[
ith
,
0
,
2
],
ptg
[
ith
,
0
,
0
],
0
)
for
iph
in
range
(
nph
):
rbeam
=
misc
.
rotate_alm
(
rbeamth
,
lmax
,
0
,
0
,
ptg
[
ith
,
iph
,
1
])
bar2
[
ith
,
iph
]
=
convolve
(
slm
[:,
0
],
rbeam
,
lmax
).
real
plt
.
subplot
(
2
,
2
,
2
)
plt
.
imshow
(
bar2
)
plt
.
subplot
(
2
,
2
,
3
)
plt
.
imshow
(
bar2
-
bar
[:,:,
0
])
plt
.
show
()
not_yet_integrated/compress_utils.h
→
src/mr_util/
not_yet_integrated/compress_utils.h
View file @
bd30feab
File moved
not_yet_integrated/crangeset.h
→
src/mr_util/
not_yet_integrated/crangeset.h
View file @
bd30feab
File moved
not_yet_integrated/datatypes.h
→
src/mr_util/
not_yet_integrated/datatypes.h
View file @
bd30feab
File moved
not_yet_integrated/gridder_accuracy_tools.py
→
src/mr_util/
not_yet_integrated/gridder_accuracy_tools.py
View file @
bd30feab
File moved
not_yet_integrated/healpix_map.cc
→
src/mr_util/
not_yet_integrated/healpix_map.cc
View file @
bd30feab
File moved
not_yet_integrated/healpix_map.h
→
src/mr_util/
not_yet_integrated/healpix_map.h
View file @
bd30feab
File moved
not_yet_integrated/math_utils.h
→
src/mr_util/
not_yet_integrated/math_utils.h
View file @
bd30feab
File moved
not_yet_integrated/misc_utils.h
→
src/mr_util/
not_yet_integrated/misc_utils.h
View file @
bd30feab
File moved
not_yet_integrated/moc.h
→
src/mr_util/
not_yet_integrated/moc.h
View file @
bd30feab
File moved
not_yet_integrated/stacktrace.h
→
src/mr_util/
not_yet_integrated/stacktrace.h
View file @
bd30feab
File moved
not_yet_integrated/tofrac.c
→
src/mr_util/
not_yet_integrated/tofrac.c
View file @
bd30feab
File moved
not_yet_integrated/vec.h
→
src/mr_util/
not_yet_integrated/vec.h
View file @
bd30feab
File moved
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