replace zxq.co/ripple/hanayo

vendor/github.com/pariz/gountries/math_test.go

@@ -0,0 +1,44 @@
+package gountries
+
+import "fmt"
+
+func ExampleCalculatePythagorasEquirectangular() {
+
+	se, _ := query.FindCountryByAlpha("SWE")
+	de, _ := query.FindCountryByAlpha("DEU")
+
+	distance := MeasureDistancePythagoras(se, de)
+
+	fmt.Println(distance)
+
+	distance = CalculatePythagorasEquirectangular(
+		se.Coordinates.MaxLatitude, se.Coordinates.MaxLongitude,
+		de.Coordinates.MinLatitude, de.Coordinates.MinLongitude)
+
+	fmt.Println(distance)
+
+	// Output:
+	// 1430.5502701671583
+	// 2667.2283097795016
+}
+
+func ExampleCalculateHaversine() {
+
+	se, _ := query.FindCountryByAlpha("SWE")
+	de, _ := query.FindCountryByAlpha("DEU")
+
+	distance := MeasureDistanceHaversine(se, de)
+
+	fmt.Println(distance)
+
+	distance = CalculateHaversine(
+		se.Coordinates.MaxLatitude, se.Coordinates.MaxLongitude,
+		de.Coordinates.MinLatitude, de.Coordinates.MinLongitude)
+
+	fmt.Println(distance)
+
+	// Output:
+	// 1430.1937864547901
+	// 2641.26145088825
+
+}