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/* Implementation of the RESHAPE intrinsic for packed arrays

   Copyright 2002, 2007, 2009 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;

    }

}