以下是将给定的Go代码转换为C++实现的示例:
#include <iostream>
#include <vector>
#include <cmath>
struct GeoPoint {
double latitude;
double longitude;
};
std::vector<GeoPoint> InsertStraightLineForGeo(const std::vector<GeoPoint>& in) {
size_t inlen = in.size();
if (inlen <= 1) {
return in;
}
std::vector<GeoPoint> out;
out.reserve(inlen * 2);
out.push_back(in[0]);
for (size_t idx = 1; idx < inlen; idx++) {
double dist = GeodesicDistance(in[idx-1], in[idx]);
if (dist < 100) {
out.push_back(in[idx]);
continue;
}
GeoPoint n = in[idx];
GeoPoint p = in[idx-1];
int insertNum = static_cast<int>(dist / 50);
double latIn = (n.latitude - p.latitude) / static_cast<double>(insertNum);
double lngIn = (n.longitude - p.longitude) / static_cast<double>(insertNum);
double pLng = p.longitude;
double pLat = p.latitude;
insertNum--;
for (; insertNum > 0; insertNum--) {
pLng += lngIn;
pLat += latIn;
out.push_back({pLat, pLng});
}
out.push_back(in[idx]);
}
return out;
}
请注意,我做了一些假设和调整以使代码更符合C++语言风格。如果有任何其他要求或细节,请随时告诉我。
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