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diff --git a/test/monniaux/glpk-4.65/src/misc/fvs.h b/test/monniaux/glpk-4.65/src/misc/fvs.h
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+/* fvs.h (sparse vector in FVS format) */
+
+/***********************************************************************
+*  This code is part of GLPK (GNU Linear Programming Kit).
+*
+*  Copyright (C) 2016 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 FVS_H
+#define FVS_H
+
+typedef struct FVS FVS;
+
+struct FVS
+{     /* sparse vector in FVS (Full Vector Storage) format */
+      int n;
+      /* vector dimension (total number of elements) */
+      int nnz;
+      /* number of non-zero elements, 0 <= nnz <= n */
+      int *ind; /* int ind[1+n]; */
+      /* ind[0] is not used;
+       * ind[k] = j, 1 <= k <= nnz, means that vec[j] != 0
+       * non-zero indices in the array ind are stored in arbitrary
+       * order; if vec[j] = 0, its index j SHOULD NOT be presented in
+       * the array ind */
+      double *vec; /* double vec[1+n]; */
+      /* vec[0] is not used;
+       * vec[j], 1 <= j <= n, is a numeric value of j-th element */
+};
+
+#define fvs_alloc_vec _glp_fvs_alloc_vec
+void fvs_alloc_vec(FVS *x, int n);
+/* allocate sparse vector */
+
+#define fvs_check_vec _glp_fvs_check_vec
+void fvs_check_vec(const FVS *x);
+/* check sparse vector */
+
+#define fvs_gather_vec _glp_fvs_gather_vec
+void fvs_gather_vec(FVS *x, double eps);
+/* gather sparse vector */
+
+#define fvs_clear_vec _glp_fvs_clear_vec
+void fvs_clear_vec(FVS *x);
+/* clear sparse vector */
+
+#define fvs_copy_vec _glp_fvs_copy_vec
+void fvs_copy_vec(FVS *x, const FVS *y);
+/* copy sparse vector */
+
+#define fvs_adjust_vec _glp_fvs_adjust_vec
+void fvs_adjust_vec(FVS *x, double eps);
+/* replace tiny vector elements by exact zeros */
+
+#define fvs_free_vec _glp_fvs_free_vec
+void fvs_free_vec(FVS *x);
+/* deallocate sparse vector */
+
+#endif
+
+/* eof */