pitchtypes.utils.fifths_from_generic_interval_class

pitchtypes.utils.fifths_from_generic_interval_class(generic)

Return the number of steps along the line of fifths corresponding to the given generic interval: (2 * generic - 1) % 7 - 1.

Parameters:

generic – generic interval (integer in 1,…,7)

Returns:

fifth steps (integer in -1, 0, …, 5)