/* Implementation of the MINLOC intrinsic
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2007, 2009 Free Software Foundation, Inc.
Contributed by Paul Brook <paul@nowt.org>
-This file is part of the GNU Fortran 95 runtime library (libgfor).
+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 Lesser General Public
+modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version.
+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 Lesser General Public License for more details.
+GNU 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. */
+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.
-#include "config.h"
+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 <stdlib.h>
#include <assert.h>
-#include <float.h>
#include <limits.h>
-#include "libgfortran.h"
+#if defined (HAVE_GFC_REAL_4) && defined (HAVE_GFC_INTEGER_4)
+
-extern void __minloc0_4_r4 (gfc_array_i4 * retarray, gfc_array_r4 *array);
-export_proto_np(__minloc0_4_r4);
+extern void minloc0_4_r4 (gfc_array_i4 * const restrict retarray,
+ gfc_array_r4 * const restrict array);
+export_proto(minloc0_4_r4);
void
-__minloc0_4_r4 (gfc_array_i4 * retarray, gfc_array_r4 *array)
+minloc0_4_r4 (gfc_array_i4 * const restrict retarray,
+ gfc_array_r4 * const restrict array)
{
index_type count[GFC_MAX_DIMENSIONS];
index_type extent[GFC_MAX_DIMENSIONS];
index_type sstride[GFC_MAX_DIMENSIONS];
index_type dstride;
- GFC_REAL_4 *base;
- GFC_INTEGER_4 *dest;
+ const GFC_REAL_4 *base;
+ GFC_INTEGER_4 * restrict dest;
index_type rank;
index_type n;
rank = GFC_DESCRIPTOR_RANK (array);
- assert (rank > 0);
- assert (GFC_DESCRIPTOR_RANK (retarray) == 1);
- assert (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound == rank);
- if (array->dim[0].stride == 0)
- array->dim[0].stride = 1;
- if (retarray->dim[0].stride == 0)
- retarray->dim[0].stride = 1;
+ if (rank <= 0)
+ runtime_error ("Rank of array needs to be > 0");
+
+ if (retarray->data == NULL)
+ {
+ retarray->dim[0].lbound = 0;
+ retarray->dim[0].ubound = rank-1;
+ retarray->dim[0].stride = 1;
+ retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
+ retarray->offset = 0;
+ retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
+ }
+ else
+ {
+ if (unlikely (compile_options.bounds_check))
+ {
+ int ret_rank;
+ index_type ret_extent;
+
+ ret_rank = GFC_DESCRIPTOR_RANK (retarray);
+ if (ret_rank != 1)
+ runtime_error ("rank of return array in MINLOC intrinsic"
+ " should be 1, is %ld", (long int) ret_rank);
+
+ ret_extent = retarray->dim[0].ubound + 1 - retarray->dim[0].lbound;
+ if (ret_extent != rank)
+ runtime_error ("Incorrect extent in return value of"
+ " MINLOC intrnisic: is %ld, should be %ld",
+ (long int) ret_extent, (long int) rank);
+ }
+ }
dstride = retarray->dim[0].stride;
dest = retarray->data;
/* Initialize the return value. */
for (n = 0; n < rank; n++)
- dest[n * dstride] = 1;
+ dest[n * dstride] = 0;
{
GFC_REAL_4 minval;
{
/* Implementation start. */
- if (*base < minval)
+ if (*base < minval || !dest[0])
{
minval = *base;
for (n = 0; n < rank; n++)
the next dimension. */
count[n] = 0;
/* We could precalculate these products, but this is a less
- frequently used path so proabably not worth it. */
+ frequently used path so probably not worth it. */
base -= sstride[n] * extent[n];
n++;
if (n == rank)
}
-extern void __mminloc0_4_r4 (gfc_array_i4 *, gfc_array_r4 *, gfc_array_l4 *);
-export_proto_np(__mminloc0_4_r4);
+extern void mminloc0_4_r4 (gfc_array_i4 * const restrict,
+ gfc_array_r4 * const restrict, gfc_array_l1 * const restrict);
+export_proto(mminloc0_4_r4);
void
-__mminloc0_4_r4 (gfc_array_i4 * retarray, gfc_array_r4 *array, gfc_array_l4 * mask)
+mminloc0_4_r4 (gfc_array_i4 * const restrict retarray,
+ gfc_array_r4 * const restrict array,
+ gfc_array_l1 * const restrict mask)
{
index_type count[GFC_MAX_DIMENSIONS];
index_type extent[GFC_MAX_DIMENSIONS];
index_type mstride[GFC_MAX_DIMENSIONS];
index_type dstride;
GFC_INTEGER_4 *dest;
- GFC_REAL_4 *base;
- GFC_LOGICAL_4 *mbase;
+ const GFC_REAL_4 *base;
+ GFC_LOGICAL_1 *mbase;
int rank;
index_type n;
+ int mask_kind;
rank = GFC_DESCRIPTOR_RANK (array);
- assert (rank > 0);
- assert (GFC_DESCRIPTOR_RANK (retarray) == 1);
- assert (retarray->dim[0].ubound + 1 - retarray->dim[0].lbound == rank);
- assert (GFC_DESCRIPTOR_RANK (mask) == rank);
-
- if (array->dim[0].stride == 0)
- array->dim[0].stride = 1;
- if (retarray->dim[0].stride == 0)
- retarray->dim[0].stride = 1;
- if (retarray->dim[0].stride == 0)
- retarray->dim[0].stride = 1;
+ if (rank <= 0)
+ runtime_error ("Rank of array needs to be > 0");
+
+ if (retarray->data == NULL)
+ {
+ retarray->dim[0].lbound = 0;
+ retarray->dim[0].ubound = rank-1;
+ retarray->dim[0].stride = 1;
+ retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
+ retarray->offset = 0;
+ retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
+ }
+ else
+ {
+ if (unlikely (compile_options.bounds_check))
+ {
+ int ret_rank, mask_rank;
+ index_type ret_extent;
+ int n;
+ index_type array_extent, mask_extent;
+
+ ret_rank = GFC_DESCRIPTOR_RANK (retarray);
+ if (ret_rank != 1)
+ runtime_error ("rank of return array in MINLOC intrinsic"
+ " should be 1, is %ld", (long int) ret_rank);
+
+ ret_extent = retarray->dim[0].ubound + 1 - retarray->dim[0].lbound;
+ if (ret_extent != rank)
+ runtime_error ("Incorrect extent in return value of"
+ " MINLOC intrnisic: is %ld, should be %ld",
+ (long int) ret_extent, (long int) rank);
+
+ mask_rank = GFC_DESCRIPTOR_RANK (mask);
+ if (rank != mask_rank)
+ runtime_error ("rank of MASK argument in MINLOC intrnisic"
+ "should be %ld, is %ld", (long int) rank,
+ (long int) mask_rank);
+
+ for (n=0; n<rank; n++)
+ {
+ array_extent = array->dim[n].ubound + 1 - array->dim[n].lbound;
+ mask_extent = mask->dim[n].ubound + 1 - mask->dim[n].lbound;
+ if (array_extent != mask_extent)
+ runtime_error ("Incorrect extent in MASK argument of"
+ " MINLOC intrinsic in dimension %ld:"
+ " is %ld, should be %ld", (long int) n + 1,
+ (long int) mask_extent, (long int) array_extent);
+ }
+ }
+ }
+
+ mask_kind = GFC_DESCRIPTOR_SIZE (mask);
+
+ mbase = mask->data;
+
+ 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
+ runtime_error ("Funny sized logical array");
dstride = retarray->dim[0].stride;
dest = retarray->data;
for (n = 0; n < rank; n++)
{
sstride[n] = array->dim[n].stride;
- mstride[n] = mask->dim[n].stride;
+ mstride[n] = mask->dim[n].stride * mask_kind;
extent[n] = array->dim[n].ubound + 1 - array->dim[n].lbound;
count[n] = 0;
if (extent[n] <= 0)
}
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;
- mbase = (GFOR_POINTER_L8_TO_L4 (mbase));
- }
-
/* Initialize the return value. */
for (n = 0; n < rank; n++)
- dest[n * dstride] = 1;
+ dest[n * dstride] = 0;
{
GFC_REAL_4 minval;
{
/* Implementation start. */
- if (*mbase && *base < minval)
+ if (*mbase && (*base < minval || !dest[0]))
{
minval = *base;
for (n = 0; n < rank; n++)
the next dimension. */
count[n] = 0;
/* We could precalculate these products, but this is a less
- frequently used path so proabably not worth it. */
+ frequently used path so probably not worth it. */
base -= sstride[n] * extent[n];
mbase -= mstride[n] * extent[n];
n++;
}
}
}
+
+
+extern void sminloc0_4_r4 (gfc_array_i4 * const restrict,
+ gfc_array_r4 * const restrict, GFC_LOGICAL_4 *);
+export_proto(sminloc0_4_r4);
+
+void
+sminloc0_4_r4 (gfc_array_i4 * const restrict retarray,
+ gfc_array_r4 * const restrict array,
+ GFC_LOGICAL_4 * mask)
+{
+ index_type rank;
+ index_type dstride;
+ index_type n;
+ GFC_INTEGER_4 *dest;
+
+ if (*mask)
+ {
+ minloc0_4_r4 (retarray, array);
+ return;
+ }
+
+ rank = GFC_DESCRIPTOR_RANK (array);
+
+ if (rank <= 0)
+ runtime_error ("Rank of array needs to be > 0");
+
+ if (retarray->data == NULL)
+ {
+ retarray->dim[0].lbound = 0;
+ retarray->dim[0].ubound = rank-1;
+ retarray->dim[0].stride = 1;
+ retarray->dtype = (retarray->dtype & ~GFC_DTYPE_RANK_MASK) | 1;
+ retarray->offset = 0;
+ retarray->data = internal_malloc_size (sizeof (GFC_INTEGER_4) * rank);
+ }
+ else
+ {
+ if (unlikely (compile_options.bounds_check))
+ {
+ int ret_rank;
+ index_type ret_extent;
+
+ ret_rank = GFC_DESCRIPTOR_RANK (retarray);
+ if (ret_rank != 1)
+ runtime_error ("rank of return array in MINLOC intrinsic"
+ " should be 1, is %ld", (long int) ret_rank);
+
+ ret_extent = retarray->dim[0].ubound + 1 - retarray->dim[0].lbound;
+ if (ret_extent != rank)
+ runtime_error ("dimension of return array incorrect");
+ }
+ }
+
+ dstride = retarray->dim[0].stride;
+ dest = retarray->data;
+ for (n = 0; n<rank; n++)
+ dest[n * dstride] = 0 ;
+}
+#endif
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