Coverage for src/cvx/linalg/covariance/__init__.py: 100%

1"""Covariance utilities: conversion, random generation, EWM, and PCA. 

2 

3``ewm_covariance`` lives in the :mod:`cvx.linalg.covariance.ewm_cov` submodule 

4and is intentionally *not* re-exported here, because it requires the optional 

5``polars`` dependency (the ``ewm`` extra). Import it explicitly with 

6``from cvx.linalg.covariance.ewm_cov import ewm_covariance``. 

7""" 

8 

9from .cov_to_corr import cov_to_corr as cov_to_corr 

10from .pca import pca as pca 

11from .rand_cov import rand_cov as rand_cov 

12 

13__all__ = [ 

14 "cov_to_corr", 

15 "pca", 

16 "rand_cov", 

17]