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/* Implementation of the SHAPE intrinsic
   Copyright 2002, 2006, 2007, 2009, 2010 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.
 
Libgfortran 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 <stdlib.h>
#include <assert.h>
 
 
#if defined (HAVE_GFC_INTEGER_4)
 
extern void shape_4 (gfc_array_i4 * const restrict ret, 
	const gfc_array_i4 * const restrict array);
export_proto(shape_4);
 
void
shape_4 (gfc_array_i4 * const restrict ret, 
	const gfc_array_i4 * const restrict array)
{
  int n;
  index_type stride;
  index_type extent;
  int rank;
 
  rank = GFC_DESCRIPTOR_RANK (array);
 
  if (ret->data == NULL)
    {
      GFC_DIMENSION_SET(ret->dim[0], 0, rank - 1, 1);
      ret->offset = 0;
      ret->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
    }
 
  stride = GFC_DESCRIPTOR_STRIDE(ret,0);
 
  if (GFC_DESCRIPTOR_EXTENT(ret,0) < 1)
    return;
 
  for (n = 0; n < rank; n++)
    {
      extent = GFC_DESCRIPTOR_EXTENT(array,n);
      ret->data[n * stride] = extent > 0 ? extent : 0 ;
    }
}
 
#endif