2ef73bb4ef
2006-12-17 Tobias Burnus <burnus@net-b.de>
* intrinsics/associated.c: Check for associated(NULL,NULL).
2006-12-17 Tobias Burnus <burnus@net-b.de>
* gfortran.dg/associated_2.f90: Add test for associated(NULL,NULL).
From-SVN: r119989
63 lines
2.2 KiB
C
63 lines
2.2 KiB
C
/* Implementation of the ASSOCIATED intrinsic
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Copyright 2003 Free Software Foundation, Inc.
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Contributed by kejia Zhao (CCRG) <kejia_zh@yahoo.com.cn>
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with libgfortran; see the file COPYING. If not,
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write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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#include "libgfortran.h"
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extern GFC_LOGICAL_4 associated (const gfc_array_void *,
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const gfc_array_void *);
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export_proto(associated);
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GFC_LOGICAL_4
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associated (const gfc_array_void *pointer, const gfc_array_void *target)
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{
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int n, rank;
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if (GFC_DESCRIPTOR_DATA (pointer) == NULL)
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return 0;
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if (GFC_DESCRIPTOR_DATA (pointer) != GFC_DESCRIPTOR_DATA (target))
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return 0;
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if (GFC_DESCRIPTOR_DTYPE (pointer) != GFC_DESCRIPTOR_DTYPE (target))
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return 0;
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rank = GFC_DESCRIPTOR_RANK (pointer);
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for (n = 0; n < rank; n++)
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{
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if (pointer->dim[n].stride != target->dim[n].stride)
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return 0;
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if ((pointer->dim[n].ubound - pointer->dim[n].lbound)
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!= (target->dim[n].ubound - target->dim[n].lbound))
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return 0;
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if (pointer->dim[n].ubound < pointer->dim[n].lbound)
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return 0;
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}
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return 1;
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}
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