Performance tests for ellipsoidal (Vincenty) geodesy scripts

Running tests on browser v on .

Calculations of n random values, taking average of median 50% results.

• Distance (vincenty):
  ... ms
  (
  .../second
  )
• Initial bearing:
  ... ms
  (
  .../second
  )
• Destination point:
  ... ms
  (
  .../second
  )

Measured using JavaScript Performance interface. Timings will vary according to machine load and other factors.