2004-05-13 08:41:07 +02:00
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/* Implementation of the EOSHIFT intrinsic
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2005-05-15 17:50:09 +02:00
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Copyright 2002, 2005 Free Software Foundation, Inc.
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2004-05-13 08:41:07 +02:00
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Contributed by Paul Brook <paul@nowt.org>
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2005-01-12 22:27:33 +01:00
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This file is part of the GNU Fortran 95 runtime library (libgfortran).
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2004-05-13 08:41:07 +02:00
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2005-01-12 22:27:33 +01:00
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Libgfortran is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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2004-05-13 08:41:07 +02:00
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License as published by the Free Software Foundation; either
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2005-01-12 22:27:33 +01:00
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version 2 of the License, or (at your option) any later version.
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2004-05-13 08:41:07 +02:00
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2005-01-12 22:27:33 +01:00
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In addition to the permissions in the GNU General Public License, the
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Free Software Foundation gives you unlimited permission to link the
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compiled version of this file into combinations with other programs,
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and to distribute those combinations without any restriction coming
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from the use of this file. (The General Public License restrictions
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do apply in other respects; for example, they cover modification of
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the file, and distribution when not linked into a combine
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executable.)
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Libgfortran is distributed in the hope that it will be useful,
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2004-05-13 08:41:07 +02:00
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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2005-01-12 22:27:33 +01:00
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GNU General Public License for more details.
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2004-05-13 08:41:07 +02:00
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2005-01-12 22:27:33 +01:00
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You should have received a copy of the GNU General Public
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License along with libgfortran; see the file COPYING. If not,
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2004-05-13 08:41:07 +02:00
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include "config.h"
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#include <stdlib.h>
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#include <assert.h>
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#include <string.h>
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#include "libgfortran.h"
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static const char zeros[16] =
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{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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iresolve.c (gfc_resolve_all, [...]): Use PREFIX.
gcc/fortran/
* iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
gfc_resolve_cshift, gfc_resolve_dot_product, gfc_resolve_eoshift,
gfc_resolve_matmul, gfc_resolve_maxloc, gfc_resolve_maxval,
gfc_resolve_minloc, gfc_resolve_minval, gfc_resolve_pack,
gfc_resolve_product, gfc_resolve_reshape, gfc_resolve_shape,
gfc_resolve_spread, gfc_resolve_sum, gfc_resolve_transpose,
gfc_resolve_unpack: Use PREFIX.
libgfortran/
* intrinsics/cshift0.c, intrinsics/eoshift0.c, intrinsics/eoshift2.c,
intrinsics/pack_generic.c, intrinsics/reshape_generic.c,
intrinsics/spread_generic.c, intrinsics/transpose_generic.c,
intrinsics/unpack_generic.c, m4/cshift1.m4, m4/dotprod.m4,
m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4, m4/eoshift3.m4,
m4/iforeach.m4, m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4,
m4/reshape.m4, m4/shape.m4, m4/transpose.m4: Use standard prefix
instead of "__".
* generated/*: Rebuild.
From-SVN: r92075
2004-12-13 03:47:58 +01:00
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extern void eoshift3_8 (gfc_array_char *, gfc_array_char *,
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acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
* acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
(LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT): New.
(LIBGFOR_CHECK_ATTRIBUTE_ALIAS): New.
* configure.ac: Use them.
* configure, config.h.in, aclocal.m4: Rebuild.
* libgfortran.h (prefix): Remove.
(PREFIX, IPREFIX): New.
(sym_rename, sym_rename1, sym_rename2): New.
(internal_proto, export_proto, export_proto_np): New.
(iexport_proto, iexport): New.
(iexport_data_proto, iexport_data): New.
* intrinsics/abort.c, intrinsics/args.c, intrinsics/associated.c,
intrinsics/cpu_time.c, intrinsics/cshift0.c,
intrinsics/date_and_time.c, intrinsics/env.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/etime.c, intrinsics/exit.c,
intrinsics/flush.c, intrinsics/fnum.c, intrinsics/getXid.c,
intrinsics/getcwd.c, intrinsics/ishftc.c, intrinsics/mvbits.c,
intrinsics/pack_generic.c, intrinsics/rand.c, intrinsics/random.c,
intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system.c,
intrinsics/system_clock.c, intrinsics/transpose_generic.c,
intrinsics/umask.c, intrinsics/unlink.c, intrinsics/unpack_generic.c,
io/backspace.c, io/close.c, io/endfile.c, io/inquire.c, io/io.h,
io/open.c, io/rewind.c, io/transfer.c, libgfortran.h, m4/cshift1.m4,
m4/dotprod.m4, m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4,
m4/eoshift3.m4, m4/exponent.m4, m4/fraction.m4, m4/iforeach.m4,
m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4, m4/nearest.m4,
m4/pow.m4, m4/reshape.m4, m4/set_exponent.m4, m4/shape.m4,
m4/transpose.m4, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c,
runtime/main.c, runtime/memory.c, runtime/pause.c, runtime/select.c,
runtime/stop.c: Use them to mark symbols internal or external.
* generated/*: Rebuild.
From-SVN: r92045
2004-12-12 09:59:05 +01:00
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gfc_array_i8 *, const gfc_array_char *,
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GFC_INTEGER_8 *);
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iresolve.c (gfc_resolve_all, [...]): Use PREFIX.
gcc/fortran/
* iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
gfc_resolve_cshift, gfc_resolve_dot_product, gfc_resolve_eoshift,
gfc_resolve_matmul, gfc_resolve_maxloc, gfc_resolve_maxval,
gfc_resolve_minloc, gfc_resolve_minval, gfc_resolve_pack,
gfc_resolve_product, gfc_resolve_reshape, gfc_resolve_shape,
gfc_resolve_spread, gfc_resolve_sum, gfc_resolve_transpose,
gfc_resolve_unpack: Use PREFIX.
libgfortran/
* intrinsics/cshift0.c, intrinsics/eoshift0.c, intrinsics/eoshift2.c,
intrinsics/pack_generic.c, intrinsics/reshape_generic.c,
intrinsics/spread_generic.c, intrinsics/transpose_generic.c,
intrinsics/unpack_generic.c, m4/cshift1.m4, m4/dotprod.m4,
m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4, m4/eoshift3.m4,
m4/iforeach.m4, m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4,
m4/reshape.m4, m4/shape.m4, m4/transpose.m4: Use standard prefix
instead of "__".
* generated/*: Rebuild.
From-SVN: r92075
2004-12-13 03:47:58 +01:00
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export_proto(eoshift3_8);
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acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
* acinclude.m4 (LIBGFOR_CHECK_ATTRIBUTE_VISIBILITY): New.
(LIBGFOR_CHECK_ATTRIBUTE_DLLEXPORT): New.
(LIBGFOR_CHECK_ATTRIBUTE_ALIAS): New.
* configure.ac: Use them.
* configure, config.h.in, aclocal.m4: Rebuild.
* libgfortran.h (prefix): Remove.
(PREFIX, IPREFIX): New.
(sym_rename, sym_rename1, sym_rename2): New.
(internal_proto, export_proto, export_proto_np): New.
(iexport_proto, iexport): New.
(iexport_data_proto, iexport_data): New.
* intrinsics/abort.c, intrinsics/args.c, intrinsics/associated.c,
intrinsics/cpu_time.c, intrinsics/cshift0.c,
intrinsics/date_and_time.c, intrinsics/env.c, intrinsics/eoshift0.c,
intrinsics/eoshift2.c, intrinsics/etime.c, intrinsics/exit.c,
intrinsics/flush.c, intrinsics/fnum.c, intrinsics/getXid.c,
intrinsics/getcwd.c, intrinsics/ishftc.c, intrinsics/mvbits.c,
intrinsics/pack_generic.c, intrinsics/rand.c, intrinsics/random.c,
intrinsics/reshape_generic.c, intrinsics/size.c,
intrinsics/spread_generic.c, intrinsics/stat.c,
intrinsics/string_intrinsics.c, intrinsics/system.c,
intrinsics/system_clock.c, intrinsics/transpose_generic.c,
intrinsics/umask.c, intrinsics/unlink.c, intrinsics/unpack_generic.c,
io/backspace.c, io/close.c, io/endfile.c, io/inquire.c, io/io.h,
io/open.c, io/rewind.c, io/transfer.c, libgfortran.h, m4/cshift1.m4,
m4/dotprod.m4, m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4,
m4/eoshift3.m4, m4/exponent.m4, m4/fraction.m4, m4/iforeach.m4,
m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4, m4/nearest.m4,
m4/pow.m4, m4/reshape.m4, m4/set_exponent.m4, m4/shape.m4,
m4/transpose.m4, runtime/environ.c, runtime/error.c,
runtime/in_pack_generic.c, runtime/in_unpack_generic.c,
runtime/main.c, runtime/memory.c, runtime/pause.c, runtime/select.c,
runtime/stop.c: Use them to mark symbols internal or external.
* generated/*: Rebuild.
From-SVN: r92045
2004-12-12 09:59:05 +01:00
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2004-05-13 08:41:07 +02:00
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void
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iresolve.c (gfc_resolve_all, [...]): Use PREFIX.
gcc/fortran/
* iresolve.c (gfc_resolve_all, gfc_resolve_any, gfc_resolve_count,
gfc_resolve_cshift, gfc_resolve_dot_product, gfc_resolve_eoshift,
gfc_resolve_matmul, gfc_resolve_maxloc, gfc_resolve_maxval,
gfc_resolve_minloc, gfc_resolve_minval, gfc_resolve_pack,
gfc_resolve_product, gfc_resolve_reshape, gfc_resolve_shape,
gfc_resolve_spread, gfc_resolve_sum, gfc_resolve_transpose,
gfc_resolve_unpack: Use PREFIX.
libgfortran/
* intrinsics/cshift0.c, intrinsics/eoshift0.c, intrinsics/eoshift2.c,
intrinsics/pack_generic.c, intrinsics/reshape_generic.c,
intrinsics/spread_generic.c, intrinsics/transpose_generic.c,
intrinsics/unpack_generic.c, m4/cshift1.m4, m4/dotprod.m4,
m4/dotprodc.m4, m4/dotprodl.m4, m4/eoshift1.m4, m4/eoshift3.m4,
m4/iforeach.m4, m4/ifunction.m4, m4/matmul.m4, m4/matmull.m4,
m4/reshape.m4, m4/shape.m4, m4/transpose.m4: Use standard prefix
instead of "__".
* generated/*: Rebuild.
From-SVN: r92075
2004-12-13 03:47:58 +01:00
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eoshift3_8 (gfc_array_char *ret, gfc_array_char *array,
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gfc_array_i8 *h, const gfc_array_char *bound,
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GFC_INTEGER_8 *pwhich)
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2004-05-13 08:41:07 +02:00
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{
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/* r.* indicates the return array. */
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2005-05-04 23:38:23 +02:00
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index_type rstride[GFC_MAX_DIMENSIONS];
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2004-05-13 08:41:07 +02:00
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index_type rstride0;
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index_type roffset;
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char *rptr;
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char *dest;
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/* s.* indicates the source array. */
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2005-05-04 23:38:23 +02:00
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index_type sstride[GFC_MAX_DIMENSIONS];
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2004-05-13 08:41:07 +02:00
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index_type sstride0;
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index_type soffset;
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const char *sptr;
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const char *src;
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/* h.* indicates the shift array. */
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2005-05-04 23:38:23 +02:00
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index_type hstride[GFC_MAX_DIMENSIONS];
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2004-05-13 08:41:07 +02:00
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index_type hstride0;
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const GFC_INTEGER_8 *hptr;
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/* b.* indicates the bound array. */
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2005-05-04 23:38:23 +02:00
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index_type bstride[GFC_MAX_DIMENSIONS];
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2004-05-13 08:41:07 +02:00
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index_type bstride0;
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const char *bptr;
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2005-05-04 23:38:23 +02:00
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index_type count[GFC_MAX_DIMENSIONS];
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index_type extent[GFC_MAX_DIMENSIONS];
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2004-05-13 08:41:07 +02:00
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index_type dim;
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index_type size;
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index_type len;
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index_type n;
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int which;
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GFC_INTEGER_8 sh;
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GFC_INTEGER_8 delta;
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2005-05-15 17:50:09 +02:00
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/* The compiler cannot figure out that these are set, initialize
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them to avoid warnings. */
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len = 0;
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soffset = 0;
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roffset = 0;
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2004-05-13 08:41:07 +02:00
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if (pwhich)
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which = *pwhich - 1;
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else
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which = 0;
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size = GFC_DESCRIPTOR_SIZE (ret);
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2005-06-25 11:56:37 +02:00
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if (ret->data == NULL)
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{
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int i;
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ret->data = internal_malloc_size (size * size0 ((array_t *)array));
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ret->base = 0;
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ret->dtype = array->dtype;
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for (i = 0; i < GFC_DESCRIPTOR_RANK (array); i++)
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{
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ret->dim[i].lbound = 0;
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ret->dim[i].ubound = array->dim[i].ubound - array->dim[i].lbound;
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if (i == 0)
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ret->dim[i].stride = 1;
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else
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ret->dim[i].stride = (ret->dim[i-1].ubound + 1) * ret->dim[i-1].stride;
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}
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}
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2004-05-13 08:41:07 +02:00
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extent[0] = 1;
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count[0] = 0;
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size = GFC_DESCRIPTOR_SIZE (array);
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n = 0;
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for (dim = 0; dim < GFC_DESCRIPTOR_RANK (array); dim++)
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{
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if (dim == which)
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{
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roffset = ret->dim[dim].stride * size;
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if (roffset == 0)
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roffset = size;
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soffset = array->dim[dim].stride * size;
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if (soffset == 0)
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soffset = size;
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len = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
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}
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else
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{
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count[n] = 0;
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extent[n] = array->dim[dim].ubound + 1 - array->dim[dim].lbound;
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rstride[n] = ret->dim[dim].stride * size;
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sstride[n] = array->dim[dim].stride * size;
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hstride[n] = h->dim[n].stride;
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if (bound)
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2005-06-28 23:57:45 +02:00
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bstride[n] = bound->dim[n].stride * size;
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2004-05-13 08:41:07 +02:00
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else
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bstride[n] = 0;
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n++;
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}
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}
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if (sstride[0] == 0)
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sstride[0] = size;
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if (rstride[0] == 0)
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rstride[0] = size;
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if (hstride[0] == 0)
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hstride[0] = 1;
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if (bound && bstride[0] == 0)
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bstride[0] = size;
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dim = GFC_DESCRIPTOR_RANK (array);
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rstride0 = rstride[0];
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sstride0 = sstride[0];
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hstride0 = hstride[0];
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bstride0 = bstride[0];
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rptr = ret->data;
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sptr = array->data;
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hptr = h->data;
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if (bound)
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bptr = bound->data;
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else
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bptr = zeros;
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while (rptr)
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{
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/* Do the shift for this dimension. */
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sh = *hptr;
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delta = (sh >= 0) ? sh: -sh;
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if (sh > 0)
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{
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src = &sptr[delta * soffset];
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dest = rptr;
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}
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else
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{
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src = sptr;
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dest = &rptr[delta * roffset];
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}
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for (n = 0; n < len - delta; n++)
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{
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memcpy (dest, src, size);
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dest += roffset;
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src += soffset;
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}
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if (sh < 0)
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dest = rptr;
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n = delta;
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while (n--)
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{
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memcpy (dest, bptr, size);
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dest += roffset;
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}
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/* Advance to the next section. */
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rptr += rstride0;
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sptr += sstride0;
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hptr += hstride0;
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bptr += bstride0;
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count[0]++;
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n = 0;
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while (count[n] == extent[n])
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{
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/* When we get to the end of a dimension, reset it and increment
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the next dimension. */
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count[n] = 0;
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/* We could precalculate these products, but this is a less
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|
frequently used path so proabably not worth it. */
|
|
|
|
rptr -= rstride[n] * extent[n];
|
|
|
|
sptr -= sstride[n] * extent[n];
|
|
|
|
hptr -= hstride[n] * extent[n];
|
|
|
|
bptr -= bstride[n] * extent[n];
|
|
|
|
n++;
|
|
|
|
if (n >= dim - 1)
|
|
|
|
{
|
|
|
|
/* Break out of the loop. */
|
|
|
|
rptr = NULL;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
count[n]++;
|
|
|
|
rptr += rstride[n];
|
|
|
|
sptr += sstride[n];
|
|
|
|
hptr += hstride[n];
|
|
|
|
bptr += bstride[n];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|