added NaN and Infinity checks for Coordinate

Author: petesramek

src/PolylineAlgorithm/Coordinate.cs

@@ -43,11 +43,11 @@ public Coordinate() {
     /// or when <paramref name="longitude"/> is less than -180 or greater than 180.
     /// </exception>
     public Coordinate(double latitude, double longitude) {
-        if (latitude < -90 || latitude > 90) {
+        if (latitude < -90 || latitude > 90 || double.IsNaN(latitude) || double.IsInfinity(latitude)) {
             throw new ArgumentOutOfRangeException(nameof(latitude), "Latitude must be between -90 and 90.");
         }
 
-        if (longitude < -180 || longitude > 180) {
+        if (longitude < -180 || longitude > 180 || double.IsNaN(longitude) || double.IsInfinity(longitude)) {
             throw new ArgumentOutOfRangeException(nameof(longitude), "Longitude must be between -180 and 180.");
         }