gcc/libgfortran/intrinsics/associated.c

50 lines
1.6 KiB
C

/* Implementation of the ASSOCIATED intrinsic
Copyright 2003 Free Software Foundation, Inc.
Contributed by kejia Zhao (CCRG) <kejia_zh@yahoo.com.cn>
This file is part of the GNU Fortran 95 runtime library (libgfor).
Libgfor is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Ligbfor 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfor; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "libgfortran.h"
extern GFC_LOGICAL_4 associated (const gfc_array_void *,
const gfc_array_void *);
export_proto(associated);
GFC_LOGICAL_4
associated (const gfc_array_void *pointer, const gfc_array_void *target)
{
int n, rank;
if (GFC_DESCRIPTOR_DATA (pointer) != GFC_DESCRIPTOR_DATA (target))
return 0;
if (GFC_DESCRIPTOR_DTYPE (pointer) != GFC_DESCRIPTOR_DTYPE (target))
return 0;
rank = GFC_DESCRIPTOR_RANK (pointer);
for (n = 0; n < rank; n++)
{
if (pointer->dim[n].stride != target->dim[n].stride)
return 0;
if ((pointer->dim[n].ubound - pointer->dim[n].lbound)
!= (target->dim[n].ubound - target->dim[n].lbound))
return 0;
}
return 1;
}