Fix unfolding
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from b_asic.sfg_generators import direct_form_fir
# Works, the test example, more or less
sfg = direct_form_fir([0.4, 0.3])
sfg.unfold(2)
# Does not work
sfg = direct_form_fir([0.4, 0.3, 0.2])
sfg.unfold(2)leads to
Traceback (most recent call last):
Cell In[26], line 1
sfg.unfold(2)
File /git/B-ASIC/b_asic/signal_flow_graph.py:1536 in unfold
return SFG(inputs=all_inputs, outputs=all_outputs)
File /git/B-ASIC/b_asic/signal_flow_graph.py:264 in __init__
self._add_operation_connected_tree_copy(
File /git/B-ASIC/b_asic/signal_flow_graph.py:1067 in _add_operation_connected_tree_copy
raise ValueError("Unconnected input port in SFG")
ValueError: Unconnected input port in SFGA guess is that it is related to several delay elements in sequence as
from b_asic.sfg_generators import transposed_direct_form_fir
sfg = transposed_direct_form_fir([0.4, 0.3, 0.2])
sfg.unfold(2)works
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