fn distance_latlong(lat1: f64, lng1: f64, lat2: f64, lng2: f64) -> f64 {
    let d_lat: f64 = (lat2 - lat1).to_radians();
    let d_lon: f64 = (lng2 - lng1).to_radians();
    let a = (d_lat / 2.0).sin().powf(2.0)
        + lat1.to_radians().cos() * lat2.to_radians().cos() * (d_lon / 2.0).sin().powf(2.0);
    let c = 2.0 * a.sqrt().atan2((1.0 - a).sqrt());
    3959.0 * c
}
/// Compute the distance in miles between two (lat, lng) pairs.
Compute the distance in miles between two (lat, lng) pairs.
Compute the distance in miles between two ( lat lng ) pairs .
fn distance_latlong(lat1: f64, lng1: f64, lat2: f64, lng2: f64) -> f64 {
    let d_lat: f64 = (lat2 - lat1).to_radians();
    let d_lon: f64 = (lng2 - lng1).to_radians();
    let a = (d_lat / 2.0).sin().powf(2.0)
        + lat1.to_radians().cos() * lat2.to_radians().cos() * (d_lon / 2.0).sin().powf(2.0);
    let c = 2.0 * a.sqrt().atan2((1.0 - a).sqrt());
    3959.0 * c
}
fn distance_latlong ( lat1 : f64 , lng1 : f64 , lat2 : f64 , lng2 : f64 ) -> f64 { let d_lat : f64 = ( lat2 - lat1 ) . to_radians ( ) ; let d_lon : f64 = ( lng2 - lng1 ) . to_radians ( ) ; let a = ( d_lat / 2.0 ) . sin ( ) . powf ( 2.0 ) + lat1 . to_radians ( ) . cos ( ) * lat2 . to_radians ( ) . cos ( ) * ( d_lon / 2.0 ) . sin ( ) . powf ( 2.0 ) ; let c = 2.0 * a . sqrt ( ) . atan2 ( ( 1.0 - a ) . sqrt ( ) ) ; 3959.0 * c }
Compute the distance in miles between two (lat, lng) pairs.
Compute the distance in miles between two ( lat lng ) pairs .
lat1
f64
lng1
f64
lat2
f64
lng2
f64
lat1
f64
lng1
f64
lat2
f64
lng2
f64