From feb8ebaeb76fa1c94de2dd7c4e5a0999b313f8c6 Mon Sep 17 00:00:00 2001
From: David Monniaux <david.monniaux@univ-grenoble-alpes.fr>
Date: Thu, 6 Jun 2019 20:09:32 +0200
Subject: GLPK 4.65

---
 test/monniaux/glpk-4.65/src/simplex/spxat.h | 80 +++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 test/monniaux/glpk-4.65/src/simplex/spxat.h

(limited to 'test/monniaux/glpk-4.65/src/simplex/spxat.h')

diff --git a/test/monniaux/glpk-4.65/src/simplex/spxat.h b/test/monniaux/glpk-4.65/src/simplex/spxat.h
new file mode 100644
index 00000000..98d5b003
--- /dev/null
+++ b/test/monniaux/glpk-4.65/src/simplex/spxat.h
@@ -0,0 +1,80 @@
+/* spxat.h */
+
+/***********************************************************************
+*  This code is part of GLPK (GNU Linear Programming Kit).
+*
+*  Copyright (C) 2015 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 SPXAT_H
+#define SPXAT_H
+
+#include "spxlp.h"
+
+typedef struct SPXAT SPXAT;
+
+struct SPXAT
+{     /* mxn-matrix A of constraint coefficients in sparse row-wise
+       * format */
+      int *ptr; /* int ptr[1+m+1]; */
+      /* ptr[0] is not used;
+       * ptr[i], 1 <= i <= m, is starting position of i-th row in
+       * arrays ind and val; note that ptr[1] is always 1;
+       * ptr[m+1] indicates the position after the last element in
+       * arrays ind and val, i.e. ptr[m+1] = nnz+1, where nnz is the
+       * number of non-zero elements in matrix A;
+       * the length of i-th row (the number of non-zero elements in
+       * that row) can be calculated as ptr[i+1] - ptr[i] */
+      int *ind; /* int ind[1+nnz]; */
+      /* column indices */
+      double *val; /* double val[1+nnz]; */
+      /* non-zero element values */
+      double *work; /* double work[1+n]; */
+      /* working array */
+};
+
+#define spx_alloc_at _glp_spx_alloc_at
+void spx_alloc_at(SPXLP *lp, SPXAT *at);
+/* allocate constraint matrix in sparse row-wise format */
+
+#define spx_build_at _glp_spx_build_at
+void spx_build_at(SPXLP *lp, SPXAT *at);
+/* build constraint matrix in sparse row-wise format */
+
+#define spx_at_prod _glp_spx_at_prod
+void spx_at_prod(SPXLP *lp, SPXAT *at, double y[/*1+n*/], double s,
+      const double x[/*1+m*/]);
+/* compute product y := y + s * A'* x */
+
+#define spx_nt_prod1 _glp_spx_nt_prod1
+void spx_nt_prod1(SPXLP *lp, SPXAT *at, double y[/*1+n-m*/], int ign,
+      double s, const double x[/*1+m*/]);
+/* compute product y := y + s * N'* x */
+
+#define spx_eval_trow1 _glp_spx_eval_trow1
+void spx_eval_trow1(SPXLP *lp, SPXAT *at, const double rho[/*1+m*/],
+      double trow[/*1+n-m*/]);
+/* compute i-th row of simplex table */
+
+#define spx_free_at _glp_spx_free_at
+void spx_free_at(SPXLP *lp, SPXAT *at);
+/* deallocate constraint matrix in sparse row-wise format */
+
+#endif
+
+/* eof */
-- 
cgit