### conj =====================================================================

Tags
----
scripting, JS, internal, treenode, general concept

Parameters
----------
z

General description
-------------------
Returns the complex conjugate of z.

###


Eval_conj = ->
  push(cadr(p1))
  Eval()
  p1 = pop()
  push(p1)
  if (!Find(p1, imaginaryunit)) # example: (-1)^(1/3)
    polar()
    conjugate()
    clockform()
  else
    conjugate()


# careful is you pass this one an expression with
# i (instead of (-1)^(1/2)) then this doesn't work!
conjugate = ->
  push(imaginaryunit)
  push(imaginaryunit)
  negate()
  subst()
  Eval()