Most 2D integration do not propagate uncertainties ...

[kif]

This varies with Error-models:

• Poisson:
  • [x] no histogram python
  • [X] no histogram cython
  • [X] no histogram OpenCL
  • [X] bbox histogram cython
  • [X] full histogram cython
  • [ ] sparse python (broken)
  • [ ] sparse cython
  • [ ] sparse OpenCL