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127 lines
3.0 KiB
Plaintext
127 lines
3.0 KiB
Plaintext
`/* Implementation of the FINDLOC intrinsic
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Copyright (C) 2018-2023 Free Software Foundation, Inc.
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Contributed by Thomas König <tk@tkoenig.net>
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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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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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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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#ifdef HAVE_'atype_name`'`
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'header1`'`
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{
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index_type i;
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index_type sstride;
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index_type extent;
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const 'atype_name`'` * restrict src;
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extent = GFC_DESCRIPTOR_EXTENT(array,0);
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if (extent <= 0)
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return 0;
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sstride = GFC_DESCRIPTOR_STRIDE(array,0) * 'base_mult`'`;
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if (back)
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{
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src = array->base_addr + (extent - 1) * sstride;
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for (i = extent; i >= 0; i--)
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{
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if ('comparison`'`)
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return i;
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src -= sstride;
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}
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}
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else
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{
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src = array->base_addr;
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for (i = 1; i <= extent; i++)
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{
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if ('comparison`'`)
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return i;
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src += sstride;
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}
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}
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return 0;
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}
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'header2`'`
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{
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index_type i;
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index_type sstride;
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index_type extent;
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const 'atype_name`'` * restrict src;
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const GFC_LOGICAL_1 * restrict mbase;
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int mask_kind;
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index_type mstride;
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extent = GFC_DESCRIPTOR_EXTENT(array,0);
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if (extent <= 0)
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return 0;
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mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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mbase = mask->base_addr;
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if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
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#ifdef HAVE_GFC_LOGICAL_16
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|| mask_kind == 16
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#endif
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)
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mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
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else
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internal_error (NULL, "Funny sized logical array");
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sstride = GFC_DESCRIPTOR_STRIDE(array,0) * 'base_mult`'`;
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mstride = GFC_DESCRIPTOR_STRIDE_BYTES(mask,0);
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if (back)
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{
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src = array->base_addr + (extent - 1) * sstride;
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mbase += (extent - 1) * mstride;
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for (i = extent; i >= 0; i--)
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{
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if (*mbase && ('comparison`'`))
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return i;
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src -= sstride;
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mbase -= mstride;
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}
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}
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else
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{
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src = array->base_addr;
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for (i = 1; i <= extent; i++)
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{
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if (*mbase && ('comparison`'`))
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return i;
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src += sstride;
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mbase += mstride;
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}
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}
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return 0;
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}
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'header3`'`
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{
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if (mask == NULL || *mask)
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{
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return findloc2_'atype_code` (array, value, back, len_array, len_value);
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}
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return 0;
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}
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#endif'
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