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+/* Implementation of the RESHAPE intrinsic for packed arrays
+ Copyright (C) 2002-2017 Free Software Foundation, Inc.
+ Contributed by Paul Brook <paul@nowt.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfortran).
+
+Libgfortran 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.
+
+Ligbfortran 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.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#include "libgfortran.h"
+
+#include <string.h>
+
+/* Reshape function where all arrays are packed. Basically just memcpy. */
+
+void
+reshape_packed (char * restrict ret, index_type rsize, const char * source,
+ index_type ssize, const char * pad, index_type psize)
+{
+ index_type size;
+
+ size = (rsize > ssize) ? ssize : rsize;
+ memcpy (ret, source, size);
+ ret += size;
+ rsize -= size;
+ while (rsize > 0)
+ {
+ size = (rsize > psize) ? psize : rsize;
+ memcpy (ret, pad, size);
+ ret += size;
+ rsize -= size;
+ }
+}