2004-05-13 08:41:07 +02:00
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/* Implementation of the RESHAPE
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Copyright 2002 Free Software Foundation, Inc.
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Contributed by Paul Brook <paul@nowt.org>
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This file is part of the GNU Fortran 95 runtime library (libgfor).
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Libgfor is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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Ligbfor is distributed in the hope that it will be useful,
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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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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with libgfor; see the file COPYING.LIB. If not,
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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 "libgfortran.h"
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typedef GFC_ARRAY_DESCRIPTOR(1, index_type) shape_type;
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/* The shape parameter is ignored. We can currently deduce the shape from the
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return array. */
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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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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 reshape_4 (gfc_array_i4 *, gfc_array_i4 *, shape_type *,
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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_i4 *, shape_type *);
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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(reshape_4);
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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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reshape_4 (gfc_array_i4 * ret, gfc_array_i4 * source, shape_type * shape,
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2004-05-13 08:41:07 +02:00
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gfc_array_i4 * pad, shape_type * order)
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{
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/* r.* indicates the return array. */
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index_type rcount[GFC_MAX_DIMENSIONS - 1];
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index_type rextent[GFC_MAX_DIMENSIONS - 1];
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index_type rstride[GFC_MAX_DIMENSIONS - 1];
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index_type rstride0;
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index_type rdim;
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index_type rsize;
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GFC_INTEGER_4 *rptr;
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/* s.* indicates the source array. */
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index_type scount[GFC_MAX_DIMENSIONS - 1];
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index_type sextent[GFC_MAX_DIMENSIONS - 1];
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index_type sstride[GFC_MAX_DIMENSIONS - 1];
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index_type sstride0;
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index_type sdim;
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index_type ssize;
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const GFC_INTEGER_4 *sptr;
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/* p.* indicates the pad array. */
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index_type pcount[GFC_MAX_DIMENSIONS - 1];
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index_type pextent[GFC_MAX_DIMENSIONS - 1];
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index_type pstride[GFC_MAX_DIMENSIONS - 1];
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index_type pdim;
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index_type psize;
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const GFC_INTEGER_4 *pptr;
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const GFC_INTEGER_4 *src;
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int n;
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int dim;
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if (ret->dim[0].stride == 0)
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ret->dim[0].stride = 1;
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if (source->dim[0].stride == 0)
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source->dim[0].stride = 1;
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if (shape->dim[0].stride == 0)
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shape->dim[0].stride = 1;
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if (pad && pad->dim[0].stride == 0)
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pad->dim[0].stride = 1;
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if (order && order->dim[0].stride == 0)
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order->dim[0].stride = 1;
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rdim = GFC_DESCRIPTOR_RANK (ret);
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rsize = 1;
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for (n = 0; n < rdim; n++)
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{
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if (order)
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dim = order->data[n * order->dim[0].stride] - 1;
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else
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dim = n;
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rcount[n] = 0;
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rstride[n] = ret->dim[dim].stride;
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rextent[n] = ret->dim[dim].ubound + 1 - ret->dim[dim].lbound;
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if (rextent[n] != shape->data[dim * shape->dim[0].stride])
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runtime_error ("shape and target do not conform");
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if (rsize == rstride[n])
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rsize *= rextent[n];
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else
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rsize = 0;
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if (rextent[dim] <= 0)
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return;
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}
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sdim = GFC_DESCRIPTOR_RANK (source);
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ssize = 1;
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for (n = 0; n < sdim; n++)
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{
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scount[n] = 0;
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sstride[n] = source->dim[n].stride;
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sextent[n] = source->dim[n].ubound + 1 - source->dim[n].lbound;
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if (sextent[n] <= 0)
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abort ();
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if (ssize == sstride[n])
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ssize *= sextent[n];
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else
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ssize = 0;
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}
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if (pad)
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{
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if (pad->dim[0].stride == 0)
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pad->dim[0].stride = 1;
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pdim = GFC_DESCRIPTOR_RANK (pad);
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psize = 1;
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for (n = 0; n < pdim; n++)
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{
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pcount[n] = 0;
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pstride[n] = pad->dim[n].stride;
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pextent[n] = pad->dim[n].ubound + 1 - pad->dim[n].lbound;
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if (pextent[n] <= 0)
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abort ();
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if (psize == pstride[n])
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psize *= pextent[n];
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else
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psize = 0;
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}
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pptr = pad->data;
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}
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else
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{
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pdim = 0;
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psize = 1;
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pptr = NULL;
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}
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if (rsize != 0 && ssize != 0 && psize != 0)
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{
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rsize *= 4;
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ssize *= 4;
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psize *= 4;
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reshape_packed ((char *)ret->data, rsize, (char *)source->data,
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ssize, pad ? (char *)pad->data : NULL, psize);
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return;
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}
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rptr = ret->data;
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src = sptr = source->data;
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rstride0 = rstride[0];
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sstride0 = sstride[0];
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while (rptr)
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{
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/* Select between the source and pad arrays. */
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*rptr = *src;
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/* Advance to the next element. */
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rptr += rstride0;
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src += sstride0;
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rcount[0]++;
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scount[0]++;
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/* Advance to the next destination element. */
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n = 0;
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while (rcount[n] == rextent[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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rcount[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. */
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rptr -= rstride[n] * rextent[n];
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n++;
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if (n == rdim)
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{
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/* Break out of the loop. */
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rptr = NULL;
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break;
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}
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else
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{
|
|
|
|
rcount[n]++;
|
|
|
|
rptr += rstride[n];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* Advance to the next source element. */
|
|
|
|
n = 0;
|
|
|
|
while (scount[n] == sextent[n])
|
|
|
|
{
|
|
|
|
/* When we get to the end of a dimension, reset it and increment
|
|
|
|
the next dimension. */
|
|
|
|
scount[n] = 0;
|
|
|
|
/* We could precalculate these products, but this is a less
|
|
|
|
frequently used path so proabably not worth it. */
|
|
|
|
src -= sstride[n] * sextent[n];
|
|
|
|
n++;
|
|
|
|
if (n == sdim)
|
|
|
|
{
|
|
|
|
if (sptr && pad)
|
|
|
|
{
|
|
|
|
/* Switch to the pad array. */
|
|
|
|
sptr = NULL;
|
|
|
|
sdim = pdim;
|
|
|
|
for (dim = 0; dim < pdim; dim++)
|
|
|
|
{
|
|
|
|
scount[dim] = pcount[dim];
|
|
|
|
sextent[dim] = pextent[dim];
|
|
|
|
sstride[dim] = pstride[dim];
|
|
|
|
sstride0 = sstride[0];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* We now start again from the beginning of the pad array. */
|
|
|
|
src = pptr;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
scount[n]++;
|
|
|
|
src += sstride[n];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|