50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* Implementation of the RESHAPE intrinsic for packed arrays
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Copyright (C) 2002-2017 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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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 3 of the License, or (at your option) any later version.
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Ligbfortran 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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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include <string.h>
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/* Reshape function where all arrays are packed. Basically just memcpy. */
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void
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reshape_packed (char * restrict ret, index_type rsize, const char * source,
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index_type ssize, const char * pad, index_type psize)
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{
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index_type size;
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size = (rsize > ssize) ? ssize : rsize;
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memcpy (ret, source, size);
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ret += size;
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rsize -= size;
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while (rsize > 0)
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{
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size = (rsize > psize) ? psize : rsize;
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memcpy (ret, pad, size);
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ret += size;
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rsize -= size;
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}
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}
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