[Fix] Fixes to validate all tests

Author: BastienTr

commpy/channelcoding/convcode.py

@@ -152,7 +152,7 @@ def __init__(self, memory, g_matrix, feedback = None, code_type = 'default'):
 
                             output_generator_array[l] = generator_array[0]
                             if l == 0:
-                                feedback_array = (dec2bitarray(feedback, memory[l]) * shift_register[0:memory[l]]).sum()
+                                feedback_array = (dec2bitarray(feedback, memory[l])[1:] * shift_register[0:memory[l]]).sum()
                                 shift_register[1:memory[l]] = \
                                     shift_register[0:memory[l] - 1]
                                 shift_register[0] = (dec2bitarray(current_input,

commpy/links.py

@@ -59,7 +59,7 @@ def link_performance(link_model, SNRs, send_max, err_min, send_chunk=None, code_
     """
 
     # Initialization
-    BERs = np.zeros_like(SNRs)
+    BERs = np.zeros_like(SNRs, dtype=float)
     # Set chunk size and round it to be a multiple of num_bits_symbol*nb_tx to avoid padding
     if send_chunk is None:
         send_chunk = err_min