`/* Implementation of the TRANSPOSE intrinsic Copyright (C) 2003-2013 Free Software Foundation, Inc. Contributed by Tobias Schlüter This file is part of the GNU Fortran 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. 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 . */ #include "libgfortran.h" #include ' include(iparm.m4)dnl `#if defined (HAVE_'rtype_name`) extern void transpose_'rtype_code` ('rtype` * const restrict ret, 'rtype` * const restrict source); export_proto(transpose_'rtype_code`); void transpose_'rtype_code` ('rtype` * const restrict ret, 'rtype` * const restrict source) { /* r.* indicates the return array. */ index_type rxstride, rystride; 'rtype_name` * restrict rptr; /* s.* indicates the source array. */ index_type sxstride, systride; const 'rtype_name` *sptr; index_type xcount, ycount; index_type x, y; assert (GFC_DESCRIPTOR_RANK (source) == 2); if (ret->base_addr == NULL) { assert (GFC_DESCRIPTOR_RANK (ret) == 2); assert (ret->dtype == source->dtype); GFC_DIMENSION_SET(ret->dim[0], 0, GFC_DESCRIPTOR_EXTENT(source,1) - 1, 1); GFC_DIMENSION_SET(ret->dim[1], 0, GFC_DESCRIPTOR_EXTENT(source,0) - 1, GFC_DESCRIPTOR_EXTENT(source, 1)); ret->base_addr = xmalloc (sizeof ('rtype_name`) * size0 ((array_t *) ret)); ret->offset = 0; } else if (unlikely (compile_options.bounds_check)) { index_type ret_extent, src_extent; ret_extent = GFC_DESCRIPTOR_EXTENT(ret,0); src_extent = GFC_DESCRIPTOR_EXTENT(source,1); if (src_extent != ret_extent) runtime_error ("Incorrect extent in return value of TRANSPOSE" " intrinsic in dimension 1: is %ld," " should be %ld", (long int) src_extent, (long int) ret_extent); ret_extent = GFC_DESCRIPTOR_EXTENT(ret,1); src_extent = GFC_DESCRIPTOR_EXTENT(source,0); if (src_extent != ret_extent) runtime_error ("Incorrect extent in return value of TRANSPOSE" " intrinsic in dimension 2: is %ld," " should be %ld", (long int) src_extent, (long int) ret_extent); } sxstride = GFC_DESCRIPTOR_STRIDE(source,0); systride = GFC_DESCRIPTOR_STRIDE(source,1); xcount = GFC_DESCRIPTOR_EXTENT(source,0); ycount = GFC_DESCRIPTOR_EXTENT(source,1); rxstride = GFC_DESCRIPTOR_STRIDE(ret,0); rystride = GFC_DESCRIPTOR_STRIDE(ret,1); rptr = ret->base_addr; sptr = source->base_addr; 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'