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Eliminate branch

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This commit is contained in:
Patrick Niklaus 2015-02-09 10:14:26 +01:00
parent 66d7a073d3
commit e381566494
1 changed files with 1 additions and 5 deletions
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6
routing_algorithms/map_matching.hpp
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@ -341,13 +341,9 @@ template <class DataFacadeT> class MapMatching final
for (auto s_prime = 0u; s_prime < current_viterbi.size(); ++s_prime) for (auto s_prime = 0u; s_prime < current_viterbi.size(); ++s_prime)
{ {
double new_value = prev_viterbi[s];
if (current_viterbi[s_prime] > new_value)
continue;
// how likely is candidate s_prime at time t to be emitted? // how likely is candidate s_prime at time t to be emitted?
const double emission_pr = log_emission_probability(timestamp_list[t][s_prime].second); const double emission_pr = log_emission_probability(timestamp_list[t][s_prime].second);
new_value += emission_pr; double new_value = prev_viterbi[s] + emission_pr;
if (current_viterbi[s_prime] > new_value) if (current_viterbi[s_prime] > new_value)
continue; continue;