Comment (by Giuseppe Ficarra):

In ID_SF_BS, bh mass assumed to be one ? There is parameter m_plus, but, it is not used appropriately.... for example, line 40th and 41th.

fixed in https://bitbucket.org/canuda/scalar/commits/ba88d9fefde4a280f9c10beb9f0fca99ee09bbdc

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2485/include-complex-and-real-scalar-evolution