/* Implementation of the MAXLOC intrinsic
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/* Implementation of the MAXLOC intrinsic
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Copyright 2002, 2007, 2009 Free Software Foundation, Inc.
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Copyright 2002, 2007, 2009 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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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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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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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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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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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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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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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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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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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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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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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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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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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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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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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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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "libgfortran.h"
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#include "libgfortran.h"
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#include <stdlib.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <assert.h>
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#include <limits.h>
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#include <limits.h>
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#if defined (HAVE_GFC_REAL_10) && defined (HAVE_GFC_INTEGER_4)
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#if defined (HAVE_GFC_REAL_10) && defined (HAVE_GFC_INTEGER_4)
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extern void maxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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extern void maxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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gfc_array_r10 * const restrict array);
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gfc_array_r10 * const restrict array);
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export_proto(maxloc0_4_r10);
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export_proto(maxloc0_4_r10);
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|
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void
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void
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maxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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maxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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gfc_array_r10 * const restrict array)
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gfc_array_r10 * const restrict array)
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{
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{
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index_type count[GFC_MAX_DIMENSIONS];
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type dstride;
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index_type dstride;
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const GFC_REAL_10 *base;
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const GFC_REAL_10 *base;
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GFC_INTEGER_4 * restrict dest;
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GFC_INTEGER_4 * restrict dest;
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index_type rank;
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index_type rank;
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index_type n;
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index_type n;
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|
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rank = GFC_DESCRIPTOR_RANK (array);
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rank = GFC_DESCRIPTOR_RANK (array);
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if (rank <= 0)
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if (rank <= 0)
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runtime_error ("Rank of array needs to be > 0");
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runtime_error ("Rank of array needs to be > 0");
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|
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if (retarray->data == NULL)
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if (retarray->data == NULL)
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{
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{
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
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retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
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retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
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retarray->offset = 0;
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retarray->offset = 0;
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retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
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retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
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}
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}
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else
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else
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{
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{
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if (unlikely (compile_options.bounds_check))
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if (unlikely (compile_options.bounds_check))
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bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
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bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
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"MAXLOC");
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"MAXLOC");
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}
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}
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dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
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dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
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dest = retarray->data;
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dest = retarray->data;
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for (n = 0; n < rank; n++)
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for (n = 0; n < rank; n++)
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{
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{
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sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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count[n] = 0;
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count[n] = 0;
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if (extent[n] <= 0)
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if (extent[n] <= 0)
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{
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{
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/* Set the return value. */
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/* Set the return value. */
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for (n = 0; n < rank; n++)
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 0;
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dest[n * dstride] = 0;
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return;
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return;
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}
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}
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}
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}
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base = array->data;
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base = array->data;
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/* Initialize the return value. */
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/* Initialize the return value. */
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for (n = 0; n < rank; n++)
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for (n = 0; n < rank; n++)
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dest[n * dstride] = 1;
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dest[n * dstride] = 1;
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{
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{
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GFC_REAL_10 maxval;
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GFC_REAL_10 maxval;
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#if defined(GFC_REAL_10_QUIET_NAN)
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#if defined(GFC_REAL_10_QUIET_NAN)
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int fast = 0;
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int fast = 0;
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#endif
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#endif
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#if defined(GFC_REAL_10_INFINITY)
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#if defined(GFC_REAL_10_INFINITY)
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maxval = -GFC_REAL_10_INFINITY;
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maxval = -GFC_REAL_10_INFINITY;
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#else
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#else
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maxval = -GFC_REAL_10_HUGE;
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maxval = -GFC_REAL_10_HUGE;
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#endif
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#endif
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while (base)
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while (base)
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{
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{
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do
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do
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{
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{
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/* Implementation start. */
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/* Implementation start. */
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|
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#if defined(GFC_REAL_10_QUIET_NAN)
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#if defined(GFC_REAL_10_QUIET_NAN)
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}
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}
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while (0);
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while (0);
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if (unlikely (!fast))
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if (unlikely (!fast))
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{
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{
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do
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do
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{
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{
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if (*base >= maxval)
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if (*base >= maxval)
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{
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{
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fast = 1;
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fast = 1;
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maxval = *base;
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maxval = *base;
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for (n = 0; n < rank; n++)
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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dest[n * dstride] = count[n] + 1;
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break;
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break;
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}
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}
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base += sstride[0];
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base += sstride[0];
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}
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}
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while (++count[0] != extent[0]);
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while (++count[0] != extent[0]);
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if (likely (fast))
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if (likely (fast))
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continue;
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continue;
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}
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}
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else do
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else do
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{
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{
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#endif
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#endif
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if (*base > maxval)
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if (*base > maxval)
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{
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{
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maxval = *base;
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maxval = *base;
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for (n = 0; n < rank; n++)
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for (n = 0; n < rank; n++)
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dest[n * dstride] = count[n] + 1;
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dest[n * dstride] = count[n] + 1;
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}
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}
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/* Implementation end. */
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/* Implementation end. */
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/* Advance to the next element. */
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/* Advance to the next element. */
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base += sstride[0];
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base += sstride[0];
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}
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}
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while (++count[0] != extent[0]);
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while (++count[0] != extent[0]);
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n = 0;
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n = 0;
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do
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do
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{
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{
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/* When we get to the end of a dimension, reset it and increment
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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the next dimension. */
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count[n] = 0;
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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/* We could precalculate these products, but this is a less
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frequently used path so probably not worth it. */
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frequently used path so probably not worth it. */
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base -= sstride[n] * extent[n];
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base -= sstride[n] * extent[n];
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n++;
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n++;
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if (n == rank)
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if (n == rank)
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{
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{
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/* Break out of the loop. */
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/* Break out of the loop. */
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base = NULL;
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base = NULL;
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break;
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break;
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}
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}
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else
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else
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{
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{
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count[n]++;
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count[n]++;
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base += sstride[n];
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base += sstride[n];
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}
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}
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}
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}
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while (count[n] == extent[n]);
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while (count[n] == extent[n]);
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}
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}
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}
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}
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}
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}
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extern void mmaxloc0_4_r10 (gfc_array_i4 * const restrict,
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extern void mmaxloc0_4_r10 (gfc_array_i4 * const restrict,
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gfc_array_r10 * const restrict, gfc_array_l1 * const restrict);
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gfc_array_r10 * const restrict, gfc_array_l1 * const restrict);
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export_proto(mmaxloc0_4_r10);
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export_proto(mmaxloc0_4_r10);
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|
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void
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void
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mmaxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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mmaxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
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gfc_array_r10 * const restrict array,
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gfc_array_r10 * const restrict array,
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gfc_array_l1 * const restrict mask)
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gfc_array_l1 * const restrict mask)
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{
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{
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index_type count[GFC_MAX_DIMENSIONS];
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type sstride[GFC_MAX_DIMENSIONS];
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index_type mstride[GFC_MAX_DIMENSIONS];
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index_type mstride[GFC_MAX_DIMENSIONS];
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index_type dstride;
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index_type dstride;
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GFC_INTEGER_4 *dest;
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GFC_INTEGER_4 *dest;
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const GFC_REAL_10 *base;
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const GFC_REAL_10 *base;
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GFC_LOGICAL_1 *mbase;
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GFC_LOGICAL_1 *mbase;
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int rank;
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int rank;
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index_type n;
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index_type n;
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int mask_kind;
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int mask_kind;
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|
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rank = GFC_DESCRIPTOR_RANK (array);
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rank = GFC_DESCRIPTOR_RANK (array);
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if (rank <= 0)
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if (rank <= 0)
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runtime_error ("Rank of array needs to be > 0");
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runtime_error ("Rank of array needs to be > 0");
|
|
|
if (retarray->data == NULL)
|
if (retarray->data == NULL)
|
{
|
{
|
GFC_DIMENSION_SET(retarray->dim[0], 0, rank - 1, 1);
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GFC_DIMENSION_SET(retarray->dim[0], 0, rank - 1, 1);
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retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
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retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
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retarray->offset = 0;
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retarray->offset = 0;
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retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
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retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
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}
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}
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else
|
else
|
{
|
{
|
if (unlikely (compile_options.bounds_check))
|
if (unlikely (compile_options.bounds_check))
|
{
|
{
|
|
|
bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
|
bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
|
"MAXLOC");
|
"MAXLOC");
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bounds_equal_extents ((array_t *) mask, (array_t *) array,
|
bounds_equal_extents ((array_t *) mask, (array_t *) array,
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"MASK argument", "MAXLOC");
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"MASK argument", "MAXLOC");
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}
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}
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}
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}
|
|
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mask_kind = GFC_DESCRIPTOR_SIZE (mask);
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mask_kind = GFC_DESCRIPTOR_SIZE (mask);
|
|
|
mbase = mask->data;
|
mbase = mask->data;
|
|
|
if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
|
if (mask_kind == 1 || mask_kind == 2 || mask_kind == 4 || mask_kind == 8
|
#ifdef HAVE_GFC_LOGICAL_16
|
#ifdef HAVE_GFC_LOGICAL_16
|
|| mask_kind == 16
|
|| mask_kind == 16
|
#endif
|
#endif
|
)
|
)
|
mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
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mbase = GFOR_POINTER_TO_L1 (mbase, mask_kind);
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else
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else
|
runtime_error ("Funny sized logical array");
|
runtime_error ("Funny sized logical array");
|
|
|
dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
|
dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
|
dest = retarray->data;
|
dest = retarray->data;
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
{
|
{
|
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
|
sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
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mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
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mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
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count[n] = 0;
|
count[n] = 0;
|
if (extent[n] <= 0)
|
if (extent[n] <= 0)
|
{
|
{
|
/* Set the return value. */
|
/* Set the return value. */
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
dest[n * dstride] = 0;
|
dest[n * dstride] = 0;
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
base = array->data;
|
base = array->data;
|
|
|
/* Initialize the return value. */
|
/* Initialize the return value. */
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
dest[n * dstride] = 0;
|
dest[n * dstride] = 0;
|
{
|
{
|
|
|
GFC_REAL_10 maxval;
|
GFC_REAL_10 maxval;
|
int fast = 0;
|
int fast = 0;
|
|
|
#if defined(GFC_REAL_10_INFINITY)
|
#if defined(GFC_REAL_10_INFINITY)
|
maxval = -GFC_REAL_10_INFINITY;
|
maxval = -GFC_REAL_10_INFINITY;
|
#else
|
#else
|
maxval = -GFC_REAL_10_HUGE;
|
maxval = -GFC_REAL_10_HUGE;
|
#endif
|
#endif
|
while (base)
|
while (base)
|
{
|
{
|
do
|
do
|
{
|
{
|
/* Implementation start. */
|
/* Implementation start. */
|
|
|
}
|
}
|
while (0);
|
while (0);
|
if (unlikely (!fast))
|
if (unlikely (!fast))
|
{
|
{
|
do
|
do
|
{
|
{
|
if (*mbase)
|
if (*mbase)
|
{
|
{
|
#if defined(GFC_REAL_10_QUIET_NAN)
|
#if defined(GFC_REAL_10_QUIET_NAN)
|
if (unlikely (dest[0] == 0))
|
if (unlikely (dest[0] == 0))
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
dest[n * dstride] = count[n] + 1;
|
dest[n * dstride] = count[n] + 1;
|
if (*base >= maxval)
|
if (*base >= maxval)
|
#endif
|
#endif
|
{
|
{
|
fast = 1;
|
fast = 1;
|
maxval = *base;
|
maxval = *base;
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
dest[n * dstride] = count[n] + 1;
|
dest[n * dstride] = count[n] + 1;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
base += sstride[0];
|
base += sstride[0];
|
mbase += mstride[0];
|
mbase += mstride[0];
|
}
|
}
|
while (++count[0] != extent[0]);
|
while (++count[0] != extent[0]);
|
if (likely (fast))
|
if (likely (fast))
|
continue;
|
continue;
|
}
|
}
|
else do
|
else do
|
{
|
{
|
if (*mbase && *base > maxval)
|
if (*mbase && *base > maxval)
|
{
|
{
|
maxval = *base;
|
maxval = *base;
|
for (n = 0; n < rank; n++)
|
for (n = 0; n < rank; n++)
|
dest[n * dstride] = count[n] + 1;
|
dest[n * dstride] = count[n] + 1;
|
}
|
}
|
/* Implementation end. */
|
/* Implementation end. */
|
/* Advance to the next element. */
|
/* Advance to the next element. */
|
base += sstride[0];
|
base += sstride[0];
|
mbase += mstride[0];
|
mbase += mstride[0];
|
}
|
}
|
while (++count[0] != extent[0]);
|
while (++count[0] != extent[0]);
|
n = 0;
|
n = 0;
|
do
|
do
|
{
|
{
|
/* When we get to the end of a dimension, reset it and increment
|
/* When we get to the end of a dimension, reset it and increment
|
the next dimension. */
|
the next dimension. */
|
count[n] = 0;
|
count[n] = 0;
|
/* We could precalculate these products, but this is a less
|
/* We could precalculate these products, but this is a less
|
frequently used path so probably not worth it. */
|
frequently used path so probably not worth it. */
|
base -= sstride[n] * extent[n];
|
base -= sstride[n] * extent[n];
|
mbase -= mstride[n] * extent[n];
|
mbase -= mstride[n] * extent[n];
|
n++;
|
n++;
|
if (n == rank)
|
if (n == rank)
|
{
|
{
|
/* Break out of the loop. */
|
/* Break out of the loop. */
|
base = NULL;
|
base = NULL;
|
break;
|
break;
|
}
|
}
|
else
|
else
|
{
|
{
|
count[n]++;
|
count[n]++;
|
base += sstride[n];
|
base += sstride[n];
|
mbase += mstride[n];
|
mbase += mstride[n];
|
}
|
}
|
}
|
}
|
while (count[n] == extent[n]);
|
while (count[n] == extent[n]);
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
|
extern void smaxloc0_4_r10 (gfc_array_i4 * const restrict,
|
extern void smaxloc0_4_r10 (gfc_array_i4 * const restrict,
|
gfc_array_r10 * const restrict, GFC_LOGICAL_4 *);
|
gfc_array_r10 * const restrict, GFC_LOGICAL_4 *);
|
export_proto(smaxloc0_4_r10);
|
export_proto(smaxloc0_4_r10);
|
|
|
void
|
void
|
smaxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
|
smaxloc0_4_r10 (gfc_array_i4 * const restrict retarray,
|
gfc_array_r10 * const restrict array,
|
gfc_array_r10 * const restrict array,
|
GFC_LOGICAL_4 * mask)
|
GFC_LOGICAL_4 * mask)
|
{
|
{
|
index_type rank;
|
index_type rank;
|
index_type dstride;
|
index_type dstride;
|
index_type n;
|
index_type n;
|
GFC_INTEGER_4 *dest;
|
GFC_INTEGER_4 *dest;
|
|
|
if (*mask)
|
if (*mask)
|
{
|
{
|
maxloc0_4_r10 (retarray, array);
|
maxloc0_4_r10 (retarray, array);
|
return;
|
return;
|
}
|
}
|
|
|
rank = GFC_DESCRIPTOR_RANK (array);
|
rank = GFC_DESCRIPTOR_RANK (array);
|
|
|
if (rank <= 0)
|
if (rank <= 0)
|
runtime_error ("Rank of array needs to be > 0");
|
runtime_error ("Rank of array needs to be > 0");
|
|
|
if (retarray->data == NULL)
|
if (retarray->data == NULL)
|
{
|
{
|
GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
|
GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
|
retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
|
retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
|
retarray->offset = 0;
|
retarray->offset = 0;
|
retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
|
retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
|
}
|
}
|
else if (unlikely (compile_options.bounds_check))
|
else if (unlikely (compile_options.bounds_check))
|
{
|
{
|
bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
|
bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
|
"MAXLOC");
|
"MAXLOC");
|
}
|
}
|
|
|
dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
|
dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
|
dest = retarray->data;
|
dest = retarray->data;
|
for (n = 0; n<rank; n++)
|
for (n = 0; n<rank; n++)
|
dest[n * dstride] = 0 ;
|
dest[n * dstride] = 0 ;
|
}
|
}
|
#endif
|
#endif
|
|
|
