From f180de905dee0da2f6aca4e33adf1a60b207ed77 Mon Sep 17 00:00:00 2001 From: Carles Fernandez Date: Sat, 23 May 2015 09:54:23 +0200 Subject: [PATCH] avoiding division by zero --- src/algorithms/telemetry_decoder/libs/viterbi_decoder.cc | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/src/algorithms/telemetry_decoder/libs/viterbi_decoder.cc b/src/algorithms/telemetry_decoder/libs/viterbi_decoder.cc index 9750d2220..3a90ab140 100644 --- a/src/algorithms/telemetry_decoder/libs/viterbi_decoder.cc +++ b/src/algorithms/telemetry_decoder/libs/viterbi_decoder.cc @@ -338,7 +338,11 @@ int Viterbi_Decoder::do_tb_and_decode(int traceback_length, int requested_decodi state = it->get_anchestor_state_of_current_state(state); t_out--; } - indicator_metric /= n_im; + if(n_im > 0) + { + indicator_metric /= n_im; + } + VLOG(BLOCK) << "indicator metric: " << indicator_metric; // remove old states if (d_trellis_paths.begin() + traceback_length + overstep_length <= d_trellis_paths.end())