code: def _add(a, b, relicAdd):
      
      # Check types, create a result object of the same type, and call the relic
      # function.
      assertSameType(a,b)
      result = type(a)()
      relicAdd(byref(result), byref(a), byref(b))
      return result
docs: Adds two elements @a,@b of the same type into @result using @relicAddFunc.