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Sep 10, 2020 Replied to a topic by ReputationZh › 职场话题 › 难受，每个月 10 号发工资…十一怎么过啊？ |
先用信用卡过渡一下
我前三个月都是找朋友借钱，其实人情帐才是更贵的
我前三个月都是找朋友借钱，其实人情帐才是更贵的
Jan 22, 2020 Replied to a topic by henmeiweide › Android › 现在是 2020 年一月底，求推荐给父亲买的手机 |
荣耀 v20
Dec 16, 2019 Replied to a topic by hereIsChen › 问与答 › 多个点经纬度距离最近算法，怎么优化？ |
func GetDistance(lat1 float64, lng1 float64, lat2 float64, lng2 float64) float64 {
var (
radLat1 float64
radLat2 float64
a float64
b float64
s float64
)
radLat1 = GetRad(lat1)
radLat2 = GetRad(lat2)
a = radLat1 - radLat2
b = GetRad(lng1) - GetRad(lng2)
s = 2 * earth_padius * math.Asin(math.Sqrt(math.Pow(math.Sin(a/2), 2)+math.Cos(radLat1)*math.Cos(radLat2)*math.Pow(math.Sin(b/2), 2)))
return s
}
func GetRad(d float64) float64 {
return d * math.Pi / 180.0
}
var (
radLat1 float64
radLat2 float64
a float64
b float64
s float64
)
radLat1 = GetRad(lat1)
radLat2 = GetRad(lat2)
a = radLat1 - radLat2
b = GetRad(lng1) - GetRad(lng2)
s = 2 * earth_padius * math.Asin(math.Sqrt(math.Pow(math.Sin(a/2), 2)+math.Cos(radLat1)*math.Cos(radLat2)*math.Pow(math.Sin(b/2), 2)))
return s
}
func GetRad(d float64) float64 {
return d * math.Pi / 180.0
}
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