cdipaolo

// haversin(θ) function
func hsin(theta float64) float64 {
	return math.Pow(math.Sin(theta/2), 2)
}

// Distance function returns the distance (in meters) between two points of
//     a given longitude and latitude relatively accurately (using a spherical
//     approximation of the Earth) through the Haversin Distance Formula for
//     great arc distance on a sphere with accuracy for small distances
//

knowtheory

function pp(object, depth, embedded) { 
  typeof(depth) == "number" || (depth = 0)
  typeof(embedded) == "boolean" || (embedded = false)
  var newline = false
  var spacer = function(depth) { var spaces = ""; for (var i=0;i<depth;i++) { spaces += "  "}; return spaces }
  var pretty = ""
  if (      typeof(object) == "undefined" ) { pretty += "undefined" }
  else if ( typeof(object) == "boolean" || 
            typeof(object) == "number" ) {    pretty += object.toString() } 
  else if ( typeof(object) == "string" ) {    pretty += "\"" + object + "\"" }