不同经度不同纬度的球面距离,球面坐标系两点距离

分享一下我老师大神的人工智能教程。零基础！通俗易懂！风趣幽默！还带黄段子！希望你也加入到我们人工智能的队伍中来！https://blog.csdn.net/jiangjunshow

#include <iostream>#include <cmath>using namespace std;double EARTH_RADIUS = 6378.137;//地球半径double PI=3.1415926535;double rad(double d){ return d * PI / 180.0;}double round(double d){ return floor(d + 0.5);}double get_distance(double lat1, double lng1, double lat2, double lng2){ double radLat1 = rad(lat1); double radLat2 = rad(lat2); double a = radLat1 - radLat2; double b = rad(lng1) - rad(lng2); double s = 2 * asin(sqrt(pow(sin(a/2),2) +cos(radLat1)*cos(radLat2)*pow(sin(b/2),2))); s = s * EARTH_RADIUS; s = round(s * 10000) / 10000; return s;}int main(int argc, char** argv) { double d = get_distance(40.0706,116.588717,40.070917,116.588684); cout<<d*1000<<"m"<<endl;}

以上代码已经过测试。