Python library of useful functions for gravitational lensing.

Installation

1. Download directory
2. cd to directory with the setup.py file.
3. type pip install . in command line
4. You're done. You can now import the functions as so.

from lensing.formalism import dlsds
zl=0.5
zs=2
lensing_ratio = dlsds(zl,zs)