aboutsummaryrefslogtreecommitdiffstats
path: root/test/monniaux/glpk-4.65/src/simplex/spxchuzr.h
diff options
context:
space:
mode:
Diffstat (limited to 'test/monniaux/glpk-4.65/src/simplex/spxchuzr.h')
-rw-r--r--test/monniaux/glpk-4.65/src/simplex/spxchuzr.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/test/monniaux/glpk-4.65/src/simplex/spxchuzr.h b/test/monniaux/glpk-4.65/src/simplex/spxchuzr.h
new file mode 100644
index 00000000..3ec90050
--- /dev/null
+++ b/test/monniaux/glpk-4.65/src/simplex/spxchuzr.h
@@ -0,0 +1,77 @@
+/* spxchuzr.h */
+
+/***********************************************************************
+* This code is part of GLPK (GNU Linear Programming Kit).
+*
+* Copyright (C) 2015-2017 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 SPXCHUZR_H
+#define SPXCHUZR_H
+
+#include "spxlp.h"
+
+#define spx_chuzr_std _glp_spx_chuzr_std
+int spx_chuzr_std(SPXLP *lp, int phase, const double beta[/*1+m*/],
+ int q, double s, const double tcol[/*1+m*/], int *p_flag,
+ double tol_piv, double tol, double tol1);
+/* choose basic variable (textbook ratio test) */
+
+#define spx_chuzr_harris _glp_spx_chuzr_harris
+int spx_chuzr_harris(SPXLP *lp, int phase, const double beta[/*1+m*/],
+ int q, double s, const double tcol[/*1+m*/], int *p_flag,
+ double tol_piv, double tol, double tol1);
+/* choose basic variable (Harris' ratio test) */
+
+#if 1 /* 22/VI-2017 */
+typedef struct SPXBP SPXBP;
+
+struct SPXBP
+{ /* penalty function (sum of infeasibilities) break point */
+ int i;
+ /* basic variable xB[i], 1 <= i <= m, that intersects its bound
+ * at this break point
+ * i > 0 if xB[i] intersects its lower bound (or fixed value)
+ * i < 0 if xB[i] intersects its upper bound
+ * i = 0 if xN[q] intersects its opposite bound */
+ double teta;
+ /* ray parameter value, teta >= 0, at this break point */
+ double dc;
+ /* increment of the penalty function coefficient cB[i] at this
+ * break point */
+ double dz;
+ /* increment, z[t] - z[0], of the penalty function at this break
+ * point */
+};
+
+#define spx_ls_eval_bp _glp_spx_ls_eval_bp
+int spx_ls_eval_bp(SPXLP *lp, const double beta[/*1+m*/],
+ int q, double dq, const double tcol[/*1+m*/], double tol_piv,
+ SPXBP bp[/*1+2*m+1*/]);
+/* determine penalty function break points */
+
+#define spx_ls_select_bp _glp_spx_ls_select_bp
+int spx_ls_select_bp(SPXLP *lp, const double tcol[/*1+m*/],
+ int nbp, SPXBP bp[/*1+m+m+1*/], int num, double *slope, double
+ teta_lim);
+/* select and process penalty function break points */
+#endif
+
+#endif
+
+/* eof */