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Martin Reinecke
ducc
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6950c0fe
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6950c0fe
authored
Jun 16, 2020
by
Martin Reinecke
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tweak README
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README.md
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...
...
@@ -9,13 +9,9 @@ on the sphere and gridding/degridding of radio interferometry data.
The code is written in C++17, but provides a simple and comprehensive Python
interface.
Installation
------------
### Requirements
-
[
Python
3
](
https://www.python.org/
)
-
[
Python
>= 3.6
](
https://www.python.org/
)
-
[
pybind11
](
https://github.com/pybind/pybind11
)
-
a C++17-capable C++ compiler (tested with g++ version 7 or newer and clang++;
recent versions of MSVC on Windows also work, but are tested less frequently)
...
...
@@ -43,7 +39,7 @@ the detected target CPU.
Installing multiple versions simultaneously
===========================================
-------------------------------------------
The interfaces of the DUCC components are expected to evolve over time; whenever
an interface changes in a manner that is not backwards compatible, the DUCC
...
...
@@ -72,8 +68,8 @@ This package provides Fast Fourier, trigonometric and Hartley transforms with a
simple Python interface. It is an evolution of
`pocketfft`
and
`pypocketfft`
which are currently used by
`numpy`
and
`scipy`
.
The central algorithms are derived from Paul Swarztrauber's FFTPACK
code
(http://www.netlib.org/fftpack).
The central algorithms are derived from Paul Swarztrauber's
[
FFTPACK
]
(http://www.netlib.org/fftpack)
code
.
### Features
-
supports fully complex and half-complex (i.e. complex-to-real and
...
...
@@ -98,7 +94,7 @@ ducc.sht
--------
This package provides efficient spherical harmonic trasforms (SHTs). Its code
is derived from
`
libsharp
`
(
<
https://arxiv.org/abs/1303.4945
>
), with accelerated
is derived from
[
libsharp
](
https://arxiv.org/abs/1303.4945
)
, with accelerated
recurrence algorithms presented in
<https://www.jstage.jst.go.jp/article/jmsj/96/2/96_2018-019/_pdf>
.
...
...
@@ -107,8 +103,8 @@ ducc.healpix
------------
This library provides Python bindings for the most important functionality
related to the HEALPix
tesselation (
<
https://arxiv.org/abs/astro-ph/0409513
>
),
except for spherical harmonic transforms, which are covered
v
y
`ducc.sht`
.
related to the
[
HEALPix
](
https://arxiv.org/abs/astro-ph/0409513
)
tesselation
,
except for spherical harmonic transforms, which are covered
b
y
`ducc.sht`
.
The design goals are
-
similarity to the interface of the HEALPix C++ library
...
...
@@ -123,9 +119,9 @@ ducc.totalconvolve
Library for high-accuracy 4pi convolution on the sphere, which generates a
total convolution data cube from a set of sky and beam
`a_lm`
and computes
interpolated values for a given list of detector pointings.
This code has evolved from the original
`
totalconvolver
`
algorithm described
in
<
https://arxiv.org/abs/astro-ph/0008227
>
via the
`conviqt`
code
(
<
https://arxiv.org/abs/1002.1050
>
).
This code has evolved from the original
[
totalconvolver
]
(
https://arxiv.org/abs/astro-ph/0008227
) algorithm described
via the
[
conviqt
]
(
https://arxiv.org/abs/1002.1050
)
code
.
### Algorithmic details:
...
...
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