127 lines
3.0 KiB
Plaintext
127 lines
3.0 KiB
Plaintext
`/* Implementation of the FINDLOC intrinsic
|
|
Copyright (C) 2018-2022 Free Software Foundation, Inc.
|
|
Contributed by Thomas König <tk@tkoenig.net>
|
|
|
|
This file is part of the GNU Fortran 95 runtime library (libgfortran).
|
|
|
|
Libgfortran is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 3 of the License, or (at your option) any later version.
|
|
|
|
Libgfortran 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 General Public License for more details.
|
|
|
|
Under Section 7 of GPL version 3, you are granted additional
|
|
permissions described in the GCC Runtime Library Exception, version
|
|
3.1, as published by the Free Software Foundation.
|
|
|
|
You should have received a copy of the GNU General Public License and
|
|
a copy of the GCC Runtime Library Exception along with this program;
|
|
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include "libgfortran.h"
|
|
|
|
#ifdef HAVE_'atype_name`'`
|
|
'header1`'`
|
|
{
|
|
index_type i;
|
|
index_type sstride;
|
|
index_type extent;
|
|
const 'atype_name`'` * restrict src;
|
|
|
|
extent = GFC_DESCRIPTOR_EXTENT(array,0);
|
|
if (extent <= 0)
|
|
return 0;
|
|
|
|
sstride = GFC_DESCRIPTOR_STRIDE(array,0) * 'base_mult`'`;
|
|
if (back)
|
|
{
|
|
src = array->base_addr + (extent - 1) * sstride;
|
|
for (i = extent; i >= 0; i--)
|
|
{
|
|
if ('comparison`'`)
|
|
return i;
|
|
src -= sstride;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
src = array->base_addr;
|
|
for (i = 1; i <= extent; i++)
|
|
{
|
|
if ('comparison`'`)
|
|
return i;
|
|
src += sstride;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
'header2`'`
|
|
{
|
|
index_type i;
|
|
index_type sstride;
|
|
index_type extent;
|
|
const 'atype_name`'` * restrict src;
|
|
const GFC_LOGICAL_1 * restrict mbase;
|
|
int mask_kind;
|
|
index_type mstride;
|
|
|
|
extent = GFC_DESCRIPTOR_EXTENT(array,0);
|
|
if (extent <= 0)
|
|
return 0;
|
|
|
|
mask_kind = GFC_DESCRIPTOR_SIZE (mask);
|
|
mbase = mask->base_addr;
|
|
|
|
if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
|
|
#ifdef HAVE_GFC_LOGICAL_16
|
|
|| mask_kind == 16
|
|
#endif
|
|
)
|
|
mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
|
|
else
|
|
internal_error (NULL, "Funny sized logical array");
|
|
|
|
sstride = GFC_DESCRIPTOR_STRIDE(array,0) * 'base_mult`'`;
|
|
mstride = GFC_DESCRIPTOR_STRIDE_BYTES(mask,0);
|
|
|
|
if (back)
|
|
{
|
|
src = array->base_addr + (extent - 1) * sstride;
|
|
mbase += (extent - 1) * mstride;
|
|
for (i = extent; i >= 0; i--)
|
|
{
|
|
if (*mbase && ('comparison`'`))
|
|
return i;
|
|
src -= sstride;
|
|
mbase -= mstride;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
src = array->base_addr;
|
|
for (i = 1; i <= extent; i++)
|
|
{
|
|
if (*mbase && ('comparison`'`))
|
|
return i;
|
|
src += sstride;
|
|
mbase += mstride;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
'header3`'`
|
|
{
|
|
if (mask == NULL || *mask)
|
|
{
|
|
return findloc2_'atype_code` (array, value, back, len_array, len_value);
|
|
}
|
|
return 0;
|
|
}
|
|
#endif'
|