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author | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-05-13 02:41:07 -0400 |
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committer | Diego Novillo <dnovillo@gcc.gnu.org> | 2004-05-13 02:41:07 -0400 |
commit | 6de9cd9a886ea695aa892c3c7c07818a7b7e9e6f (patch) | |
tree | a2568888a519c077427b133de9ece5879a8484a5 /libgfortran/generated/transpose_i4.c | |
parent | ac1a20aec53364d77f3bdff94a2a0a06840e0fe9 (diff) | |
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Merge tree-ssa-20020619-branch into mainline.
From-SVN: r81764
Diffstat (limited to 'libgfortran/generated/transpose_i4.c')
-rw-r--r-- | libgfortran/generated/transpose_i4.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/libgfortran/generated/transpose_i4.c b/libgfortran/generated/transpose_i4.c new file mode 100644 index 0000000..184243f --- /dev/null +++ b/libgfortran/generated/transpose_i4.c @@ -0,0 +1,69 @@ +/* Implementation of the TRANSPOSE intrinsic + Copyright 2003 Free Software Foundation, Inc. + Contributed by Tobias Schl�ter + +This file is part of the GNU Fortran 95 runtime library (libgfor). + +Libgfor is free software; you can redistribute it and/or +modify it under the terms of the GNU Lesser General Public +License as published by the Free Software Foundation; either +version 2.1 of the License, or (at your option) any later version. + +Ligbfor 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. + +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. */ + +#include "config.h" +#include <assert.h> +#include "libgfortran.h" + +void +__transpose_4 (gfc_array_i4 * ret, gfc_array_i4 * source) +{ + /* r.* indicates the return array. */ + index_type rxstride, rystride; + GFC_INTEGER_4 *rptr; + /* s.* indicates the source array. */ + index_type sxstride, systride; + const GFC_INTEGER_4 *sptr; + + index_type xcount, ycount; + index_type x, y; + + assert (GFC_DESCRIPTOR_RANK (source) == 2); + + if (ret->dim[0].stride == 0) + ret->dim[0].stride = 1; + if (source->dim[0].stride == 0) + source->dim[0].stride = 1; + + sxstride = source->dim[0].stride; + systride = source->dim[1].stride; + xcount = source->dim[0].ubound + 1 - source->dim[0].lbound; + ycount = source->dim[1].ubound + 1 - source->dim[1].lbound; + + rxstride = ret->dim[0].stride; + rystride = ret->dim[1].stride; + + rptr = ret->data; + sptr = source->data; + + for (y=0; y < ycount; y++) + { + for (x=0; x < xcount; x++) + { + *rptr = *sptr; + + sptr += sxstride; + rptr += rystride; + } + sptr += systride - (sxstride * xcount); + rptr += rxstride - (rystride * xcount); + } +} |