--- /dev/null
+
+/* Implementation of the FINDLOC intrinsic
+ Copyright (C) 2018-2019 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"
+#include <assert.h>
+
+#if defined (HAVE_GFC_REAL_10)
+extern void findloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ GFC_LOGICAL_4);
+export_proto(findloc0_r10);
+
+void
+findloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ GFC_LOGICAL_4 back)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type dstride;
+ const GFC_REAL_10 *base;
+ index_type * restrict dest;
+ index_type rank;
+ index_type n;
+ index_type sz;
+
+ rank = GFC_DESCRIPTOR_RANK (array);
+ if (rank <= 0)
+ runtime_error ("Rank of array needs to be > 0");
+
+ if (retarray->base_addr == NULL)
+ {
+ GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
+ retarray->dtype.rank = 1;
+ retarray->offset = 0;
+ retarray->base_addr = xmallocarray (rank, sizeof (index_type));
+ }
+ else
+ {
+ if (unlikely (compile_options.bounds_check))
+ bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
+ "FINDLOC");
+ }
+
+ dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
+ dest = retarray->base_addr;
+
+ /* Set the return value. */
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = 0;
+
+ sz = 1;
+ for (n = 0; n < rank; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+ sz *= extent[n];
+ if (extent[n] <= 0)
+ return;
+ }
+
+ for (n = 0; n < rank; n++)
+ count[n] = 0;
+
+ if (back)
+ {
+ base = array->base_addr + (sz - 1) * 1;
+
+ while (1)
+ {
+ do
+ {
+ if (unlikely(*base == value))
+ {
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = extent[n] - count[n];
+
+ return;
+ }
+ base -= sstride[0] * 1;
+ } while(++count[0] != extent[0]);
+
+ n = 0;
+ do
+ {
+ /* 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 probably not worth it. */
+ base += sstride[n] * extent[n] * 1;
+ n++;
+ if (n >= rank)
+ return;
+ else
+ {
+ count[n]++;
+ base -= sstride[n] * 1;
+ }
+ } while (count[n] == extent[n]);
+ }
+ }
+ else
+ {
+ base = array->base_addr;
+ while (1)
+ {
+ do
+ {
+ if (unlikely(*base == value))
+ {
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = count[n] + 1;
+
+ return;
+ }
+ base += sstride[0] * 1;
+ } while(++count[0] != extent[0]);
+
+ n = 0;
+ do
+ {
+ /* 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 probably not worth it. */
+ base -= sstride[n] * extent[n] * 1;
+ n++;
+ if (n >= rank)
+ return;
+ else
+ {
+ count[n]++;
+ base += sstride[n] * 1;
+ }
+ } while (count[n] == extent[n]);
+ }
+ }
+ return;
+}
+
+extern void mfindloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ gfc_array_l1 *const restrict, GFC_LOGICAL_4);
+export_proto(mfindloc0_r10);
+
+void
+mfindloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ gfc_array_l1 *const restrict mask, GFC_LOGICAL_4 back)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type mstride[GFC_MAX_DIMENSIONS];
+ index_type dstride;
+ const GFC_REAL_10 *base;
+ index_type * restrict dest;
+ GFC_LOGICAL_1 *mbase;
+ index_type rank;
+ index_type n;
+ int mask_kind;
+ index_type sz;
+
+ rank = GFC_DESCRIPTOR_RANK (array);
+ if (rank <= 0)
+ runtime_error ("Rank of array needs to be > 0");
+
+ if (retarray->base_addr == NULL)
+ {
+ GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
+ retarray->dtype.rank = 1;
+ retarray->offset = 0;
+ retarray->base_addr = xmallocarray (rank, sizeof (index_type));
+ }
+ else
+ {
+ if (unlikely (compile_options.bounds_check))
+ {
+ bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
+ "FINDLOC");
+ bounds_equal_extents ((array_t *) mask, (array_t *) array,
+ "MASK argument", "FINDLOC");
+ }
+ }
+
+ 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");
+
+ dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
+ dest = retarray->base_addr;
+
+ /* Set the return value. */
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = 0;
+
+ sz = 1;
+ for (n = 0; n < rank; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+ sz *= extent[n];
+ if (extent[n] <= 0)
+ return;
+ }
+
+ for (n = 0; n < rank; n++)
+ count[n] = 0;
+
+ if (back)
+ {
+ base = array->base_addr + (sz - 1) * 1;
+ mbase = mbase + (sz - 1) * mask_kind;
+ while (1)
+ {
+ do
+ {
+ if (unlikely(*mbase && *base == value))
+ {
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = extent[n] - count[n];
+
+ return;
+ }
+ base -= sstride[0] * 1;
+ mbase -= mstride[0];
+ } while(++count[0] != extent[0]);
+
+ n = 0;
+ do
+ {
+ /* 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 probably not worth it. */
+ base += sstride[n] * extent[n] * 1;
+ mbase -= mstride[n] * extent[n];
+ n++;
+ if (n >= rank)
+ return;
+ else
+ {
+ count[n]++;
+ base -= sstride[n] * 1;
+ mbase += mstride[n];
+ }
+ } while (count[n] == extent[n]);
+ }
+ }
+ else
+ {
+ base = array->base_addr;
+ while (1)
+ {
+ do
+ {
+ if (unlikely(*mbase && *base == value))
+ {
+ for (n = 0; n < rank; n++)
+ dest[n * dstride] = count[n] + 1;
+
+ return;
+ }
+ base += sstride[0] * 1;
+ mbase += mstride[0];
+ } while(++count[0] != extent[0]);
+
+ n = 0;
+ do
+ {
+ /* 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 probably not worth it. */
+ base -= sstride[n] * extent[n] * 1;
+ mbase -= mstride[n] * extent[n];
+ n++;
+ if (n >= rank)
+ return;
+ else
+ {
+ count[n]++;
+ base += sstride[n]* 1;
+ mbase += mstride[n];
+ }
+ } while (count[n] == extent[n]);
+ }
+ }
+ return;
+}
+
+extern void sfindloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ GFC_LOGICAL_4 *, GFC_LOGICAL_4);
+export_proto(sfindloc0_r10);
+
+void
+sfindloc0_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ GFC_LOGICAL_4 * mask, GFC_LOGICAL_4 back)
+{
+ index_type rank;
+ index_type dstride;
+ index_type * restrict dest;
+ index_type n;
+
+ if (mask == NULL || *mask)
+ {
+ findloc0_r10 (retarray, array, value, back);
+ return;
+ }
+
+ rank = GFC_DESCRIPTOR_RANK (array);
+
+ if (rank <= 0)
+ internal_error (NULL, "Rank of array needs to be > 0");
+
+ if (retarray->base_addr == NULL)
+ {
+ GFC_DIMENSION_SET(retarray->dim[0], 0, rank-1, 1);
+ retarray->dtype.rank = 1;
+ retarray->offset = 0;
+ retarray->base_addr = xmallocarray (rank, sizeof (index_type));
+ }
+ else if (unlikely (compile_options.bounds_check))
+ {
+ bounds_iforeach_return ((array_t *) retarray, (array_t *) array,
+ "FINDLOC");
+ }
+
+ dstride = GFC_DESCRIPTOR_STRIDE(retarray,0);
+ dest = retarray->base_addr;
+ for (n = 0; n<rank; n++)
+ dest[n * dstride] = 0 ;
+}
+
+#endif
--- /dev/null
+/* Implementation of the FINDLOC intrinsic
+ Copyright (C) 2018-2019 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"
+#include <assert.h>
+
+#if defined (HAVE_GFC_REAL_10)
+extern void findloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, GFC_LOGICAL_4 back);
+export_proto(findloc1_r10);
+
+extern void
+findloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, GFC_LOGICAL_4 back)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ const GFC_REAL_10 * restrict base;
+ index_type * restrict dest;
+ index_type rank;
+ index_type n;
+ index_type len;
+ index_type delta;
+ index_type dim;
+ int continue_loop;
+
+ /* Make dim zero based to avoid confusion. */
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+ dim = (*pdim) - 1;
+
+ if (unlikely (dim < 0 || dim > rank))
+ {
+ runtime_error ("Dim argument incorrect in FINDLOC intrinsic: "
+ "is %ld, should be between 1 and %ld",
+ (long int) dim + 1, (long int) rank + 1);
+ }
+
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ if (len < 0)
+ len = 0;
+ delta = GFC_DESCRIPTOR_STRIDE(array,dim);
+
+ for (n = 0; n < dim; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+ for (n = dim; n < rank; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+
+ if (retarray->base_addr == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+
+ }
+
+ retarray->offset = 0;
+ retarray->dtype.rank = rank;
+
+ alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
+
+ retarray->base_addr = xmallocarray (alloc_size, sizeof (index_type));
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+ }
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in"
+ " FINDLOC intrinsic: is %ld, should be %ld",
+ (long int) (GFC_DESCRIPTOR_RANK (retarray)),
+ (long int) rank);
+
+ if (unlikely (compile_options.bounds_check))
+ bounds_ifunction_return ((array_t *) retarray, extent,
+ "return value", "FINDLOC");
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
+ if (extent[n] <= 0)
+ return;
+ }
+
+ dest = retarray->base_addr;
+ continue_loop = 1;
+
+ base = array->base_addr;
+ while (continue_loop)
+ {
+ const GFC_REAL_10 * restrict src;
+ index_type result;
+
+ result = 0;
+ if (back)
+ {
+ src = base + (len - 1) * delta * 1;
+ for (n = len; n > 0; n--, src -= delta * 1)
+ {
+ if (*src == value)
+ {
+ result = n;
+ break;
+ }
+ }
+ }
+ else
+ {
+ src = base;
+ for (n = 1; n <= len; n++, src += delta * 1)
+ {
+ if (*src == value)
+ {
+ result = n;
+ break;
+ }
+ }
+ }
+ *dest = result;
+
+ count[0]++;
+ base += sstride[0] * 1;
+ dest += dstride[0];
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ count[n] = 0;
+ base -= sstride[n] * extent[n] * 1;
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n >= rank)
+ {
+ continue_loop = 0;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n] * 1;
+ dest += dstride[n];
+ }
+ }
+ }
+}
+extern void mfindloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, gfc_array_l1 *const restrict mask,
+ GFC_LOGICAL_4 back);
+export_proto(mfindloc1_r10);
+
+extern void
+mfindloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, gfc_array_l1 *const restrict mask,
+ GFC_LOGICAL_4 back)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type sstride[GFC_MAX_DIMENSIONS];
+ index_type mstride[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ const GFC_REAL_10 * restrict base;
+ const GFC_LOGICAL_1 * restrict mbase;
+ index_type * restrict dest;
+ index_type rank;
+ index_type n;
+ index_type len;
+ index_type delta;
+ index_type mdelta;
+ index_type dim;
+ int mask_kind;
+ int continue_loop;
+
+ /* Make dim zero based to avoid confusion. */
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+ dim = (*pdim) - 1;
+
+ if (unlikely (dim < 0 || dim > rank))
+ {
+ runtime_error ("Dim argument incorrect in FINDLOC intrinsic: "
+ "is %ld, should be between 1 and %ld",
+ (long int) dim + 1, (long int) rank + 1);
+ }
+
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ if (len < 0)
+ len = 0;
+
+ delta = GFC_DESCRIPTOR_STRIDE(array,dim);
+ mdelta = GFC_DESCRIPTOR_STRIDE_BYTES(mask,dim);
+
+ mbase = mask->base_addr;
+
+ mask_kind = GFC_DESCRIPTOR_SIZE (mask);
+
+ 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");
+
+ for (n = 0; n < dim; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array,n);
+ mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask,n);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+ for (n = dim; n < rank; n++)
+ {
+ sstride[n] = GFC_DESCRIPTOR_STRIDE(array, n + 1);
+ mstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(mask, n + 1);
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array, n + 1);
+
+ if (extent[n] < 0)
+ extent[n] = 0;
+ }
+
+ if (retarray->base_addr == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+
+ }
+
+ retarray->offset = 0;
+ retarray->dtype.rank = rank;
+
+ alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
+
+ retarray->base_addr = xmallocarray (alloc_size, sizeof (index_type));
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+ }
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in"
+ " FINDLOC intrinsic: is %ld, should be %ld",
+ (long int) (GFC_DESCRIPTOR_RANK (retarray)),
+ (long int) rank);
+
+ if (unlikely (compile_options.bounds_check))
+ bounds_ifunction_return ((array_t *) retarray, extent,
+ "return value", "FINDLOC");
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
+ if (extent[n] <= 0)
+ return;
+ }
+
+ dest = retarray->base_addr;
+ continue_loop = 1;
+
+ base = array->base_addr;
+ while (continue_loop)
+ {
+ const GFC_REAL_10 * restrict src;
+ const GFC_LOGICAL_1 * restrict msrc;
+ index_type result;
+
+ result = 0;
+ if (back)
+ {
+ src = base + (len - 1) * delta * 1;
+ msrc = mbase + (len - 1) * mdelta;
+ for (n = len; n > 0; n--, src -= delta * 1, msrc -= mdelta)
+ {
+ if (*msrc && *src == value)
+ {
+ result = n;
+ break;
+ }
+ }
+ }
+ else
+ {
+ src = base;
+ msrc = mbase;
+ for (n = 1; n <= len; n++, src += delta * 1, msrc += mdelta)
+ {
+ if (*msrc && *src == value)
+ {
+ result = n;
+ break;
+ }
+ }
+ }
+ *dest = result;
+
+ count[0]++;
+ base += sstride[0] * 1;
+ mbase += mstride[0];
+ dest += dstride[0];
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ count[n] = 0;
+ base -= sstride[n] * extent[n] * 1;
+ mbase -= mstride[n] * extent[n];
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n >= rank)
+ {
+ continue_loop = 0;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ base += sstride[n] * 1;
+ dest += dstride[n];
+ }
+ }
+ }
+}
+extern void sfindloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, GFC_LOGICAL_4 *const restrict mask,
+ GFC_LOGICAL_4 back);
+export_proto(sfindloc1_r10);
+
+extern void
+sfindloc1_r10 (gfc_array_index_type * const restrict retarray,
+ gfc_array_r10 * const restrict array, GFC_REAL_10 value,
+ const index_type * restrict pdim, GFC_LOGICAL_4 *const restrict mask,
+ GFC_LOGICAL_4 back)
+{
+ index_type count[GFC_MAX_DIMENSIONS];
+ index_type extent[GFC_MAX_DIMENSIONS];
+ index_type dstride[GFC_MAX_DIMENSIONS];
+ index_type * restrict dest;
+ index_type rank;
+ index_type n;
+ index_type len;
+ index_type dim;
+ bool continue_loop;
+
+ if (mask == NULL || *mask)
+ {
+ findloc1_r10 (retarray, array, value, pdim, back);
+ return;
+ }
+ /* Make dim zero based to avoid confusion. */
+ rank = GFC_DESCRIPTOR_RANK (array) - 1;
+ dim = (*pdim) - 1;
+
+ if (unlikely (dim < 0 || dim > rank))
+ {
+ runtime_error ("Dim argument incorrect in FINDLOC intrinsic: "
+ "is %ld, should be between 1 and %ld",
+ (long int) dim + 1, (long int) rank + 1);
+ }
+
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
+ if (len < 0)
+ len = 0;
+
+ for (n = 0; n < dim; n++)
+ {
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,n);
+
+ if (extent[n] <= 0)
+ extent[n] = 0;
+ }
+
+ for (n = dim; n < rank; n++)
+ {
+ extent[n] =
+ GFC_DESCRIPTOR_EXTENT(array,n + 1);
+
+ if (extent[n] <= 0)
+ extent[n] = 0;
+ }
+
+
+ if (retarray->base_addr == NULL)
+ {
+ size_t alloc_size, str;
+
+ for (n = 0; n < rank; n++)
+ {
+ if (n == 0)
+ str = 1;
+ else
+ str = GFC_DESCRIPTOR_STRIDE(retarray,n-1) * extent[n-1];
+
+ GFC_DIMENSION_SET(retarray->dim[n], 0, extent[n] - 1, str);
+ }
+
+ retarray->offset = 0;
+ retarray->dtype.rank = rank;
+
+ alloc_size = GFC_DESCRIPTOR_STRIDE(retarray,rank-1) * extent[rank-1];
+
+ retarray->base_addr = xmallocarray (alloc_size, sizeof (index_type));
+ if (alloc_size == 0)
+ {
+ /* Make sure we have a zero-sized array. */
+ GFC_DIMENSION_SET(retarray->dim[0], 0, -1, 1);
+ return;
+ }
+ }
+ else
+ {
+ if (rank != GFC_DESCRIPTOR_RANK (retarray))
+ runtime_error ("rank of return array incorrect in"
+ " FINDLOC intrinsic: is %ld, should be %ld",
+ (long int) (GFC_DESCRIPTOR_RANK (retarray)),
+ (long int) rank);
+
+ if (unlikely (compile_options.bounds_check))
+ bounds_ifunction_return ((array_t *) retarray, extent,
+ "return value", "FINDLOC");
+ }
+
+ for (n = 0; n < rank; n++)
+ {
+ count[n] = 0;
+ dstride[n] = GFC_DESCRIPTOR_STRIDE(retarray,n);
+ if (extent[n] <= 0)
+ return;
+ }
+ dest = retarray->base_addr;
+ continue_loop = 1;
+
+ while (continue_loop)
+ {
+ *dest = 0;
+
+ count[0]++;
+ dest += dstride[0];
+ n = 0;
+ while (count[n] == extent[n])
+ {
+ count[n] = 0;
+ dest -= dstride[n] * extent[n];
+ n++;
+ if (n >= rank)
+ {
+ continue_loop = 0;
+ break;
+ }
+ else
+ {
+ count[n]++;
+ dest += dstride[n];
+ }
+ }
+ }
+}
+#endif
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