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reserve delta vector beforehand to avoid realocations.

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Dennis Luxen 2014-11-01 17:32:49 -04:00
parent 800bb223b5
commit e26ef17545
1 changed files with 1 additions and 0 deletions
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Algorithms/polyline_compressor.cpp
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@ -81,6 +81,7 @@ PolylineCompressor::get_encoded_string(const std::vector<SegmentInformation> &po
} }
std::vector<int> delta_numbers; std::vector<int> delta_numbers;
delta_numbers.reserve((polyline.size() - 1) * 2);
FixedPointCoordinate previous_coordinate = {0, 0}; FixedPointCoordinate previous_coordinate = {0, 0};
for (const auto &segment : polyline) for (const auto &segment : polyline)
{ {