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-rw-r--r--libgfortran/generated/maxval_r8.c255
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diff --git a/libgfortran/generated/maxval_r8.c b/libgfortran/generated/maxval_r8.c
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+/* Implementation of the MAXVAL intrinsic
+ Copyright 2002 Free Software Foundation, Inc.
+ Contributed by Paul Brook <paul@nowt.org>
+
+This file is part of the GNU Fortran 95 runtime library (libgfor).
+
+Libgfortran is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with libgfor; see the file COPYING.LIB. If not,
+write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+#include "config.h"
+#include <stdlib.h>
+#include <assert.h>
+#include <float.h>
+#include "libgfortran.h"
+
+
+void
+__maxval_r8 (gfc_array_r8 * retarray, gfc_array_r8 *array, index_type *pdim)
+{
+ index_type count[GFC_MAX_DIMENSIONS - 1];
+ index_type extent[GFC_MAX_DIMENSIONS - 1];
+ index_type sstride[GFC_MAX_DIMENSIONS - 1];
+ index_type dstride[GFC_MAX_DIMENSIONS - 1];
+ GFC_REAL_8 *base;
+ GFC_REAL_8 *dest;
+ index_type rank;
+ index_type n;
+ index_type len;
+ index_type delta;
+ index_type dim;
+
+ /* Make dim zero based to avoid confusion. */
+ dim = (*pdim) - 1;
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+ assert (rank == GFC_DESCRIPTOR_RANK (retarray));
+ if (array->dim[0].stride == 0)
+ array->dim[0].stride = 1;
+ if (retarray->dim[0].stride == 0)
+ retarray->dim[0].stride = 1;
+
+ len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
+ delta = array->dim[dim].stride;
+
+ for (n = 0; n < dim; n++)
+ {
+ sstride[n] = array->dim[n].stride;
+ extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ }
+ for (n = dim; n < rank; n++)
+ {
+ sstride[n] = array->dim[n + 1].stride;
+ extent[n] =
+ array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = retarray->dim[n].stride;
+ if (extent[n] <= 0)
+ len = 0;
+ }
+
+ base = array->data;
+ dest = retarray->data;
+
+ while (base)
+ {
+ GFC_REAL_8 *src;
+ GFC_REAL_8 result;
+ src = base;
+ {
+
+ result = -GFC_REAL_8_HUGE;
+ if (len <= 0)
+ *dest = -GFC_REAL_8_HUGE;
+ else
+ {
+ for (n = 0; n < len; n++, src += delta)
+ {
+
+ if (*src > result)
+ result = *src;
+ }
+ *dest = result;
+ }
+ }
+ /* Advance to the next element. */
+ count[0]++;
+ base += sstride[0];
+ dest += dstride[0];
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ /* We could precalculate these products, but this is a less
+ frequently used path so proabably not worth it. */
+ base -= sstride[n] * extent[n];
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n == rank)
+ {
+ /* Break out of the look. */
+ base = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n];
+ dest += dstride[n];
+ }
+ }
+ }
+}
+
+void
+__mmaxval_r8 (gfc_array_r8 * retarray, gfc_array_r8 * array, index_type *pdim, gfc_array_l4 * mask)
+{
+ index_type count[GFC_MAX_DIMENSIONS - 1];
+ index_type extent[GFC_MAX_DIMENSIONS - 1];
+ index_type sstride[GFC_MAX_DIMENSIONS - 1];
+ index_type dstride[GFC_MAX_DIMENSIONS - 1];
+ index_type mstride[GFC_MAX_DIMENSIONS - 1];
+ GFC_REAL_8 *dest;
+ GFC_REAL_8 *base;
+ GFC_LOGICAL_4 *mbase;
+ int rank;
+ int dim;
+ index_type n;
+ index_type len;
+ index_type delta;
+ index_type mdelta;
+
+ dim = (*pdim) - 1;
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+ assert (rank == GFC_DESCRIPTOR_RANK (retarray));
+ if (array->dim[0].stride == 0)
+ array->dim[0].stride = 1;
+ if (retarray->dim[0].stride == 0)
+ retarray->dim[0].stride = 1;
+
+ len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
+ if (len <= 0)
+ return;
+ delta = array->dim[dim].stride;
+ mdelta = mask->dim[dim].stride;
+
+ for (n = 0; n < dim; n++)
+ {
+ sstride[n] = array->dim[n].stride;
+ mstride[n] = mask->dim[n].stride;
+ extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ }
+ for (n = dim; n < rank; n++)
+ {
+ sstride[n] = array->dim[n + 1].stride;
+ mstride[n] = mask->dim[n + 1].stride;
+ extent[n] =
+ array->dim[n + 1].ubound + 1 - array->dim[n + 1].lbound;
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = retarray->dim[n].stride;
+ if (extent[n] <= 0)
+ return;
+ }
+
+ dest = retarray->data;
+ base = array->data;
+ mbase = mask->data;
+
+ if (GFC_DESCRIPTOR_SIZE (mask) != 4)
+ {
+ /* This allows the same loop to be used for all logical types. */
+ assert (GFC_DESCRIPTOR_SIZE (mask) == 8);
+ for (n = 0; n < rank; n++)
+ mstride[n] <<= 1;
+ mdelta <<= 1;
+ mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
+ }
+
+ while (base)
+ {
+ GFC_REAL_8 *src;
+ GFC_LOGICAL_4 *msrc;
+ GFC_REAL_8 result;
+ src = base;
+ msrc = mbase;
+ {
+
+ result = -GFC_REAL_8_HUGE;
+ if (len <= 0)
+ *dest = -GFC_REAL_8_HUGE;
+ else
+ {
+ for (n = 0; n < len; n++, src += delta, msrc += mdelta)
+ {
+
+ if (*msrc && *src > result)
+ result = *src;
+ }
+ *dest = result;
+ }
+ }
+ /* Advance to the next element. */
+ count[0]++;
+ base += sstride[0];
+ mbase += mstride[0];
+ dest += dstride[0];
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ /* When we get to the end of a dimension, reset it and increment
+ the next dimension. */
+ count[n] = 0;
+ /* We could precalculate these products, but this is a less
+ frequently used path so proabably not worth it. */
+ base -= sstride[n] * extent[n];
+ mbase -= mstride[n] * extent[n];
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n == rank)
+ {
+ /* Break out of the look. */
+ base = NULL;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n];
+ mbase += mstride[n];
+ dest += dstride[n];
+ }
+ }
+ }
+}
+