“correct_convolutional_decode” work wrong when rate≥9.

[neojiaa]

Thanks to the author for your contribution!
I'm using the convolutional code of libcorrect. I have tested the libcorrect with rate from 2 to 10 with order 8 and I found that when the rate is 2 to 8 the “correct_convolutional_decode” output is right. However, when rate is 9 or 10, the output of “correct_convolutional_decode” is all zero. By the way, The result of "correct_convolutional_decode_soft" is right when rate=9. I want to know where the problem lies.

Thanks for your reply!