bfUpdatedGLPK function

Check if the basis factorization has been updated

Low level interface function to the GLPK function glp_bf_updated. Consult the GLPK documentation for more detailed information.

bfUpdatedGLPK(lp)

Arguments

• lp: An object of class "glpkPtr" as returned by initProbGLPK. This is basically a pointer to a GLPK problem object.

Details

Interface to the C function bfUpdated which calls the GLPK function glp_bf_updated.

Returns

Returns non-zero if the basis factorization has been updated at least once. Otherwise the routine returns zero.

References

Based on the package glpk by Lopaka Lee.

The GNU GLPK home page at http://www.gnu.org/software/glpk/glpk.html.

Author(s)

Gabriel Gelius-Dietrich geliudie@uni-duesseldorf.de

Maintainer: Mayo Roettger mayo.roettger@hhu.de