/* Implementation of the CSHIFT intrinsic
- Copyright 2003 Free Software Foundation, Inc.
+ Copyright 2003, 2007, 2009 Free Software Foundation, Inc.
Contributed by Feng Wang <wf_cs@yahoo.com>
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 2 of the License, or (at your option) any later version.
-
-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.)
+version 3 of the License, or (at your option) any later version.
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 General Public License for more details.
-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. */
+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 "config.h"
+#include "libgfortran.h"
#include <stdlib.h>
#include <assert.h>
#include <string.h>
-#include "libgfortran.h"
+
#if defined (HAVE_GFC_INTEGER_16)
cshift1 (gfc_array_char * const restrict ret,
const gfc_array_char * const restrict array,
const gfc_array_i16 * const restrict h,
- const GFC_INTEGER_16 * const restrict pwhich,
- index_type size)
+ const GFC_INTEGER_16 * const restrict pwhich)
{
/* r.* indicates the return array. */
index_type rstride[GFC_MAX_DIMENSIONS];
index_type soffset;
const char *sptr;
const char *src;
- /* h.* indicates the array. */
+ /* h.* indicates the shift array. */
index_type hstride[GFC_MAX_DIMENSIONS];
index_type hstride0;
const GFC_INTEGER_16 *hptr;
index_type n;
int which;
GFC_INTEGER_16 sh;
+ index_type arraysize;
+ index_type size;
if (pwhich)
which = *pwhich - 1;
if (which < 0 || (which + 1) > GFC_DESCRIPTOR_RANK (array))
runtime_error ("Argument 'DIM' is out of range in call to 'CSHIFT'");
+ size = GFC_DESCRIPTOR_SIZE(array);
+
+ arraysize = size0 ((array_t *)array);
+
if (ret->data == NULL)
{
int i;
- ret->data = internal_malloc_size (size * size0 ((array_t *)array));
+ ret->data = internal_malloc_size (size * arraysize);
ret->offset = 0;
ret->dtype = array->dtype;
for (i = 0; i < GFC_DESCRIPTOR_RANK (array); i++)
{
- ret->dim[i].lbound = 0;
- ret->dim[i].ubound = array->dim[i].ubound - array->dim[i].lbound;
+ index_type ub, str;
+
+ ub = GFC_DESCRIPTOR_EXTENT(array,i) - 1;
if (i == 0)
- ret->dim[i].stride = 1;
+ str = 1;
else
- ret->dim[i].stride = (ret->dim[i-1].ubound + 1) * ret->dim[i-1].stride;
+ str = GFC_DESCRIPTOR_EXTENT(ret,i-1) *
+ GFC_DESCRIPTOR_STRIDE(ret,i-1);
+
+ GFC_DIMENSION_SET(ret->dim[i], 0, ub, str);
}
}
+ else if (unlikely (compile_options.bounds_check))
+ {
+ bounds_equal_extents ((array_t *) ret, (array_t *) array,
+ "return value", "CSHIFT");
+ }
+
+ if (unlikely (compile_options.bounds_check))
+ {
+ bounds_reduced_extents ((array_t *) h, (array_t *) array, which,
+ "SHIFT argument", "CSHIFT");
+ }
+
+ if (arraysize == 0)
+ return;
extent[0] = 1;
count[0] = 0;
{
if (dim == which)
{
- roffset = ret->dim[dim].stride * size;
+ roffset = GFC_DESCRIPTOR_STRIDE_BYTES(ret,dim);
if (roffset == 0)
roffset = size;
- soffset = array->dim[dim].stride * size;
+ soffset = GFC_DESCRIPTOR_STRIDE_BYTES(array,dim);
if (soffset == 0)
soffset = size;
- len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
+ len = GFC_DESCRIPTOR_EXTENT(array,dim);
}
else
{
count[n] = 0;
- extent[n] = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
- rstride[n] = ret->dim[dim].stride * size;
- sstride[n] = array->dim[dim].stride * size;
+ extent[n] = GFC_DESCRIPTOR_EXTENT(array,dim);
+ rstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(ret,dim);
+ sstride[n] = GFC_DESCRIPTOR_STRIDE_BYTES(array,dim);
- hstride[n] = h->dim[n].stride;
+ hstride[n] = GFC_DESCRIPTOR_STRIDE(h,n);
n++;
}
}
while (rptr)
{
- /* Do the for this dimension. */
+ /* Do the shift for this dimension. */
sh = *hptr;
sh = (div (sh, len)).rem;
if (sh < 0)
const gfc_array_i16 * const restrict h,
const GFC_INTEGER_16 * const restrict pwhich)
{
- cshift1 (ret, array, h, pwhich, GFC_DESCRIPTOR_SIZE (array));
+ cshift1 (ret, array, h, pwhich);
}
+
void cshift1_16_char (gfc_array_char * const restrict ret,
GFC_INTEGER_4,
const gfc_array_char * const restrict array,
const gfc_array_char * const restrict array,
const gfc_array_i16 * const restrict h,
const GFC_INTEGER_16 * const restrict pwhich,
- GFC_INTEGER_4 array_length)
+ GFC_INTEGER_4 array_length __attribute__((unused)))
+{
+ cshift1 (ret, array, h, pwhich);
+}
+
+
+void cshift1_16_char4 (gfc_array_char * const restrict ret,
+ GFC_INTEGER_4,
+ const gfc_array_char * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich,
+ GFC_INTEGER_4);
+export_proto(cshift1_16_char4);
+
+void
+cshift1_16_char4 (gfc_array_char * const restrict ret,
+ GFC_INTEGER_4 ret_length __attribute__((unused)),
+ const gfc_array_char * const restrict array,
+ const gfc_array_i16 * const restrict h,
+ const GFC_INTEGER_16 * const restrict pwhich,
+ GFC_INTEGER_4 array_length __attribute__((unused)))
{
- cshift1 (ret, array, h, pwhich, array_length);
+ cshift1 (ret, array, h, pwhich);
}
#endif
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