[src] Minor bugfix with the covariance computation. Updated the docstring of some methods. Ongoing work
[src] Update of the docstring
[src] completed the computePDF method : added the sum of delta characteristic functions into account to the final value of pdf
The current implementation does not use the cache mechanism
[src] Added attribut size of cache
[test] Added new test with a sum of uniform distribution. According to the tcl, the sum is approximatively gaussian. This test will help for the validation of the pdf function. Ongoing work