#! /usr/bin/python -t
# _*_ coding: iso-8859-1 _*_
# Last edited on 2009-05-02 19:56:21 by stolfi

MODULE_NAME = "PMap"
MODULE_DESC = "Projective maps from {H^n} to {H^m}"
MODULE_VERS = "1.0"

MODULE_COPYRIGHT = "Copyright © 2009 State University of Campinas"

MODULE_INFO = \
  "A library module to represent projective maps from {H^n} to {H^m}.\n" \
  "\n" \
  "  Bla bla.\n"

import sys
import rn
import rmxn
import hrn

class PMap :
  "A projective map containing the direct matrix {P.dir} and inverse matrix {P.inv}." \
   
  def __init__(P,dir,inv) :
    "Initalizes the {PMap} with direct matrix {dir} and inverse matrix {inv}."
    P.dir = dir;
    P.inv = inv;
    # ----------------------------------------------------------------------

  def inverse(P) :
    "Returns the inverse of map {P}."
    return PMap(P.inv,P.dir)
    # ----------------------------------------------------------------------