diff options
Diffstat (limited to 'libgfortran/intrinsics/cshift0.c')
| -rw-r--r-- | libgfortran/intrinsics/cshift0.c | 54 |
1 files changed, 31 insertions, 23 deletions
diff --git a/libgfortran/intrinsics/cshift0.c b/libgfortran/intrinsics/cshift0.c index be0444a4807..1b7dbc1cec9 100644 --- a/libgfortran/intrinsics/cshift0.c +++ b/libgfortran/intrinsics/cshift0.c @@ -1,5 +1,5 @@ /* Generic implementation of the CSHIFT intrinsic - Copyright 2003, 2005, 2006, 2007, 2009 Free Software Foundation, Inc. + Copyright 2003, 2005, 2006, 2007 Free Software Foundation, Inc. Contributed by Feng Wang <wf_cs@yahoo.com> This file is part of the GNU Fortran 95 runtime library (libgfortran). @@ -7,21 +7,26 @@ 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 3 of the License, or (at your option) any later version. +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. -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/>. */ +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 "libgfortran.h" #include <stdlib.h> @@ -30,7 +35,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see static void cshift0 (gfc_array_char * ret, const gfc_array_char * array, - index_type shift, int which, index_type size) + ssize_t shift, int which, index_type size) { /* r.* indicates the return array. */ index_type rstride[GFC_MAX_DIMENSIONS]; @@ -66,14 +71,17 @@ cshift0 (gfc_array_char * ret, const gfc_array_char * array, 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); } if (arraysize > 0) @@ -278,20 +286,20 @@ cshift0 (gfc_array_char * ret, const gfc_array_char * array, { 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); n++; } } @@ -306,7 +314,7 @@ cshift0 (gfc_array_char * ret, const gfc_array_char * array, rptr = ret->data; sptr = array->data; - shift = len == 0 ? 0 : shift % len; + shift = len == 0 ? 0 : shift % (ssize_t)len; if (shift < 0) shift += len; |