diff -r d59bea55db9b -r c445c931472f src/glpbfd.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/glpbfd.h	Mon Dec 06 13:09:21 2010 +0100
@@ -0,0 +1,75 @@
+/* glpbfd.h (LP basis factorization driver) */
+
+/***********************************************************************
+*  This code is part of GLPK (GNU Linear Programming Kit).
+*
+*  Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
+*  2009, 2010 Andrew Makhorin, Department for Applied Informatics,
+*  Moscow Aviation Institute, Moscow, Russia. All rights reserved.
+*  E-mail: <mao@gnu.org>.
+*
+*  GLPK is free software: you can redistribute it and/or modify it
+*  under the terms of the GNU General Public License as published by
+*  the Free Software Foundation, either version 3 of the License, or
+*  (at your option) any later version.
+*
+*  GLPK is distributed in the hope that it will be useful, but WITHOUT
+*  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+*  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+*  License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with GLPK. If not, see <http://www.gnu.org/licenses/>.
+***********************************************************************/
+
+#ifndef GLPBFD_H
+#define GLPBFD_H
+
+#ifndef GLPBFD_PRIVATE
+typedef struct { double _opaque_bfd[100]; } BFD;
+#endif
+
+/* return codes: */
+#define BFD_ESING    1  /* singular matrix */
+#define BFD_ECOND    2  /* ill-conditioned matrix */
+#define BFD_ECHECK   3  /* insufficient accuracy */
+#define BFD_ELIMIT   4  /* update limit reached */
+#define BFD_EROOM    5  /* SVA overflow */
+
+#define bfd_create_it _glp_bfd_create_it
+BFD *bfd_create_it(void);
+/* create LP basis factorization */
+
+#define bfd_set_parm _glp_bfd_set_parm
+void bfd_set_parm(BFD *bfd, const void *parm);
+/* change LP basis factorization control parameters */
+
+#define bfd_factorize _glp_bfd_factorize
+int bfd_factorize(BFD *bfd, int m, const int bh[], int (*col)
+      (void *info, int j, int ind[], double val[]), void *info);
+/* compute LP basis factorization */
+
+#define bfd_ftran _glp_bfd_ftran
+void bfd_ftran(BFD *bfd, double x[]);
+/* perform forward transformation (solve system B*x = b) */
+
+#define bfd_btran _glp_bfd_btran
+void bfd_btran(BFD *bfd, double x[]);
+/* perform backward transformation (solve system B'*x = b) */
+
+#define bfd_update_it _glp_bfd_update_it
+int bfd_update_it(BFD *bfd, int j, int bh, int len, const int ind[],
+      const double val[]);
+/* update LP basis factorization */
+
+#define bfd_get_count _glp_bfd_get_count
+int bfd_get_count(BFD *bfd);
+/* determine factorization update count */
+
+#define bfd_delete_it _glp_bfd_delete_it
+void bfd_delete_it(BFD *bfd);
+/* delete LP basis factorization */
+
+#endif
+
+/* eof */