1  /* Implementation of the SHAPE intrinsic
       2     Copyright (C) 2002-2023 Free Software Foundation, Inc.
       3     Contributed by Paul Brook <paul@nowt.org>
       4  
       5  This file is part of the GNU Fortran runtime library (libgfortran).
       6  
       7  Libgfortran is free software; you can redistribute it and/or
       8  modify it under the terms of the GNU General Public
       9  License as published by the Free Software Foundation; either
      10  version 3 of the License, or (at your option) any later version.
      11  
      12  Libgfortran is distributed in the hope that it will be useful,
      13  but WITHOUT ANY WARRANTY; without even the implied warranty of
      14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15  GNU General Public License for more details.
      16  
      17  Under Section 7 of GPL version 3, you are granted additional
      18  permissions described in the GCC Runtime Library Exception, version
      19  3.1, as published by the Free Software Foundation.
      20  
      21  You should have received a copy of the GNU General Public License and
      22  a copy of the GCC Runtime Library Exception along with this program;
      23  see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
      24  <http://www.gnu.org/licenses/>.  */
      25  
      26  #include "libgfortran.h"
      27  
      28  
      29  #if defined (HAVE_GFC_INTEGER_16)
      30  
      31  extern void shape_16 (gfc_array_i16 * const restrict ret, 
      32  	const array_t * const restrict array);
      33  export_proto(shape_16);
      34  
      35  void
      36  shape_16 (gfc_array_i16 * const restrict ret, 
      37  	const array_t * const restrict array)
      38  {
      39    index_type stride;
      40    index_type extent;
      41  
      42    int rank = GFC_DESCRIPTOR_RANK (array);
      43  
      44    if (ret->base_addr == NULL)
      45      {
      46        GFC_DIMENSION_SET(ret->dim[0], 0, rank - 1, 1);
      47        ret->offset = 0;
      48        ret->base_addr = xmallocarray (rank, sizeof (GFC_INTEGER_16));
      49      }
      50  
      51    stride = GFC_DESCRIPTOR_STRIDE(ret,0);
      52  
      53    if (GFC_DESCRIPTOR_EXTENT(ret,0) < 1)
      54      return;
      55  
      56    for (index_type n = 0; n < rank; n++)
      57      {
      58        extent = GFC_DESCRIPTOR_EXTENT(array,n);
      59        ret->base_addr[n * stride] = extent > 0 ? extent : 0 ;
      60      }
      61  }
      62  
      63  #endif