FAST-PT
FAST-PT is a code to calculate quantities in cosmological perturbation theory at 1-loop (including, e.g., corrections to the matter power spectrum). The code utilizes Fourier methods combined with analytic expressions to reduce the computation time to scale as N log N, where N is the number of grid points in the input linear power spectrum.
Easy installation with pip:
pip install fast-pt- Note: use
--no-depsif you use a conda python distribution, or just use conda installation
Easy installation with conda:
conda install fast-pt
Full installation with examples:
- Make sure you have current version of numpy, scipy, and matplotlib
- download the latest FAST-PT release (or clone the repo)
- install the repo:
python -m pip install . - run the most recent example:
cd examples && python3 hello_fastpt.py - hopefully you get a plot!
- for a more in-depth example of new features:
cd examples && python3 v4_example.py - for older examples see the 'examples' folder
Our papers (JCAP 2016, 9, 15; arXiv:1603.04826) and (JCAP 2017, 2, 30; arXiv:1609.05978) describe the FAST-PT algorithm and implementation. Please cite these papers when using FAST-PT in your research. For the intrinsic alignment implementation, cite PRD 100, 103506 (arXiv:1708.09247).
FAST-PT is under continued development and should be considered research in progress. FAST-PT is open source and distributed with the MIT license. If you have comments, questions, or feedback, please file an issue.
Metadata
Release files for fast-pt 4.1.1
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| fast_pt-4.1.1.tar.gz | 80.2 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| fast_pt-4.1.1-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 148.3 kB
Release files / fast_pt-4.1.1.tar.gz
| Download URL | fast_pt-4.1.1.tar.gz |
|---|---|
| Size | 80.2 kB |
| Tags | Source |
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SHA-256 checksum How to use checksums |
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Release files / fast_pt-4.1.1-py3-none-any.whl
| Download URL | fast_pt-4.1.1-py3-none-any.whl |
|---|---|
| Size | 68.1 kB |
| Tags | Python 3 |
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SHA-256 checksum How to use checksums |
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