 
 # ----
 
-# The function `lift` computes the projection or 'lift' of a given
+# The function `lift` computes the projection or _lift_ of a given
 # point in the plane onto the standard parabola z = x * x + y * y.
 lift = (p) -> new Point3d p.x, p.y, p.x * p.x + p.y * p.y
 


# ----

# We export the classes `Point2d` and `Point3d` and the functions
# `circumCircleCenter` and `inclusionInCircumCircle` for testing.


# Computing Delaunay triangulations and stuff.
#
# _Copyright (c) 2011 Olaf Delgado-Friedrichs_

# ----

# First, we import some necessary data structures (**TODO**: use a
# better package system).
if typeof(require) != 'undefined'
  require.paths.unshift '#{__dirname}/../lib'
  { HashSet, HashMap } = require 'indexed'
  { Sequence } = require 'sequence'
else
  { HashSet, HashMap, Sequence } = this.pazy

# ----

