-/* Generic implementation of the RESHAPE intrinsic
- Copyright 2002 Free Software Foundation, Inc.
+/* Generic implementation of the UNPACK intrinsic
+ Copyright 2002, 2003, 2004, 2005 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).
-Libgfor is free software; you can redistribute it and/or
-modify it under the terms of the GNU Lesser General Public
+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 2.1 of the License, or (at your option) any later version.
+version 2 of the License, or (at your option) any later version.
-Ligbfor is distributed in the hope that it will be useful,
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+Ligbfortran 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. */
+You should have received a copy of the GNU General Public
+License along with libgfortran; see the file COPYING. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+Boston, MA 02110-1301, USA. */
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include "libgfortran.h"
-void
-__unpack1 (const gfc_array_char * ret, const gfc_array_char * vector,
- const gfc_array_l4 * mask, const gfc_array_char * field)
+static void
+unpack_internal (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l4 *mask, const gfc_array_char *field,
+ index_type size, index_type fsize)
{
/* r.* indicates the return array. */
index_type rstride[GFC_MAX_DIMENSIONS];
index_type rstride0;
+ index_type rs;
char *rptr;
/* v.* indicates the vector array. */
index_type vstride0;
index_type extent[GFC_MAX_DIMENSIONS];
index_type n;
index_type dim;
- index_type size;
- index_type fsize;
-
- size = GFC_DESCRIPTOR_SIZE (ret);
- /* A field element size of 0 actually means this is a scalar. */
- fsize = GFC_DESCRIPTOR_SIZE (field);
- dim = GFC_DESCRIPTOR_RANK (ret);
- for (n = 0; n < dim; n++)
+
+ if (ret->data == NULL)
{
- count[n] = 0;
- extent[n] = ret->dim[n].ubound + 1 - ret->dim[n].lbound;
- rstride[n] = ret->dim[n].stride * size;
- fstride[n] = field->dim[n].stride * fsize;
- mstride[n] = mask->dim[n].stride;
+ /* The front end has signalled that we need to populate the
+ return array descriptor. */
+ dim = GFC_DESCRIPTOR_RANK (mask);
+ rs = 1;
+ for (n = 0; n < dim; n++)
+ {
+ count[n] = 0;
+ ret->dim[n].stride = rs;
+ ret->dim[n].lbound = 0;
+ ret->dim[n].ubound = mask->dim[n].ubound - mask->dim[n].lbound;
+ extent[n] = ret->dim[n].ubound + 1;
+ rstride[n] = ret->dim[n].stride * size;
+ fstride[n] = field->dim[n].stride * fsize;
+ mstride[n] = mask->dim[n].stride;
+ rs *= extent[n];
+ }
+ ret->offset = 0;
+ ret->data = internal_malloc_size (rs * size);
+ }
+ else
+ {
+ dim = GFC_DESCRIPTOR_RANK (ret);
+ for (n = 0; n < dim; n++)
+ {
+ count[n] = 0;
+ extent[n] = ret->dim[n].ubound + 1 - ret->dim[n].lbound;
+ rstride[n] = ret->dim[n].stride * size;
+ fstride[n] = field->dim[n].stride * fsize;
+ mstride[n] = mask->dim[n].stride;
+ }
+ if (rstride[0] == 0)
+ rstride[0] = size;
}
- if (rstride[0] == 0)
- rstride[0] = size;
if (fstride[0] == 0)
fstride[0] = fsize;
if (mstride[0] == 0)
}
}
+extern void unpack1 (gfc_array_char *, const gfc_array_char *,
+ const gfc_array_l4 *, const gfc_array_char *);
+export_proto(unpack1);
+
+void
+unpack1 (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l4 *mask, const gfc_array_char *field)
+{
+ unpack_internal (ret, vector, mask, field,
+ GFC_DESCRIPTOR_SIZE (vector),
+ GFC_DESCRIPTOR_SIZE (field));
+}
+
+extern void unpack1_char (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l4 *,
+ const gfc_array_char *, GFC_INTEGER_4,
+ GFC_INTEGER_4);
+export_proto(unpack1_char);
+
+void
+unpack1_char (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l4 *mask,
+ const gfc_array_char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length)
+{
+ unpack_internal (ret, vector, mask, field, vector_length, field_length);
+}
+
+extern void unpack0 (gfc_array_char *, const gfc_array_char *,
+ const gfc_array_l4 *, char *);
+export_proto(unpack0);
+
+void
+unpack0 (gfc_array_char *ret, const gfc_array_char *vector,
+ const gfc_array_l4 *mask, char *field)
+{
+ gfc_array_char tmp;
+
+ tmp.dtype = 0;
+ tmp.data = field;
+ unpack_internal (ret, vector, mask, &tmp, GFC_DESCRIPTOR_SIZE (vector), 0);
+}
+
+extern void unpack0_char (gfc_array_char *, GFC_INTEGER_4,
+ const gfc_array_char *, const gfc_array_l4 *,
+ char *, GFC_INTEGER_4, GFC_INTEGER_4);
+export_proto(unpack0_char);
+
void
-__unpack0 (const gfc_array_char * ret, const gfc_array_char * vector,
- const gfc_array_l4 * mask, char * field)
+unpack0_char (gfc_array_char *ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char *vector, const gfc_array_l4 *mask,
+ char *field, GFC_INTEGER_4 vector_length,
+ GFC_INTEGER_4 field_length __attribute__((unused)))
{
gfc_array_char tmp;
tmp.dtype = 0;
tmp.data = field;
- __unpack1 (ret, vector, mask, &tmp);
+ unpack_internal (ret, vector, mask, &tmp, vector_length, 0);
}
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