check_av_roll_fwd¶

check_av_roll_fwd()[source]¶

Check account value roll-forward

Returns Ture if av_at(t+1, "BEF_NB") equates to the following expression for all t, otherwise returns False:

av_at(t, "BEF_NB")
      + prem_to_av(t)
      - maint_fee(t)
      - coi(t)
      + inv_income(t)
      - claims_from_av(t, "DEATH")
      - claims_from_av(t, "LAPSE")
      - claims_from_av(t, "MATURITY"))