glpk: glpk - GNU Linear Programming Kit
glpk: 
glpk: The GLPK package is intended for solving large-scale linear programming 
glpk: (LP), mixed integer programming (MIP), and other related problems. 
glpk: It is a set of routines written in ANSI C and organized in the form of a
glpk: callable library.
glpk: GLPK supports the GNU MathProg language, which is a subset of the AMPL 
glpk: language.  
glpk: http://www.gnu.org/software/glpk/
glpk: 
glpk:   Packager Michelino Chionchio - to www.slacky.eu