xQML a quadratic Power Spectrum estimator based on cross-correlation between maps.
[Vanneste et al., 2018, https://arxiv.org/abs/1807.02484] This is the generalisation to cross-correlation of QML methods
[Tegmark Physical Review D 55, 5895 (1997)] & [Tegmark and de Oliveira-Costa, Physical Review D 64 (2001)] The code is in python with some C routines in openMP.
To install: > pip install . --prefix=my_path To use: > import xqml Librairies needed are : - scipy - numpy - healpy