Singular/Sources — pull request #54 by YueRen (2012-01-23 17:55:40+00:00)
Title: Gfanlib

added polytopes + very basic functionality
restructured bbcone/bbfan so that shared functions are now in bbcone
changed code for printing out cones, fans and polytopes
changed headers "ipshell.h" -> "Singular/ipshell.h"