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Diffstat (limited to 'libgfortran/generated/transpose_r10.c')
-rw-r--r-- | libgfortran/generated/transpose_r10.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libgfortran/generated/transpose_r10.c b/libgfortran/generated/transpose_r10.c new file mode 100644 index 00000000000..9a588b84123 --- /dev/null +++ b/libgfortran/generated/transpose_r10.c @@ -0,0 +1,104 @@ +/* Implementation of the TRANSPOSE intrinsic + Copyright 2003, 2005 Free Software Foundation, Inc. + Contributed by Tobias Schlüter + +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.) + +Libgfortran 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. */ + +#include "config.h" +#include <assert.h> +#include "libgfortran.h" + +#if defined (HAVE_GFC_REAL_10) + +extern void transpose_r10 (gfc_array_r10 * const restrict ret, + gfc_array_r10 * const restrict source); +export_proto(transpose_r10); + +void +transpose_r10 (gfc_array_r10 * const restrict ret, + gfc_array_r10 * const restrict source) +{ + /* r.* indicates the return array. */ + index_type rxstride, rystride; + GFC_REAL_10 *rptr; + /* s.* indicates the source array. */ + index_type sxstride, systride; + const GFC_REAL_10 *sptr; + + index_type xcount, ycount; + index_type x, y; + + assert (GFC_DESCRIPTOR_RANK (source) == 2); + + if (ret->data == NULL) + { + assert (GFC_DESCRIPTOR_RANK (ret) == 2); + assert (ret->dtype == source->dtype); + + ret->dim[0].lbound = 0; + ret->dim[0].ubound = source->dim[1].ubound - source->dim[1].lbound; + ret->dim[0].stride = 1; + + ret->dim[1].lbound = 0; + ret->dim[1].ubound = source->dim[0].ubound - source->dim[0].lbound; + ret->dim[1].stride = ret->dim[0].ubound+1; + + ret->data = internal_malloc_size (sizeof (GFC_REAL_10) * size0 ((array_t *) ret)); + ret->offset = 0; + } + + 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); + } +} + +#endif |