1/* Implementation of the size intrinsic. 2 Copyright (C) 2002-2020 Free Software Foundation, Inc. 3 Contributed by Paul Brook <paul@nowt.org> 4 5This file is part of the GNU Fortran 95 runtime library (libgfortran). 6 7Libgfortran is free software; you can redistribute it and/or 8modify it under the terms of the GNU General Public 9License as published by the Free Software Foundation; either 10version 3 of the License, or (at your option) any later version. 11 12Libgfortran is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17Under Section 7 of GPL version 3, you are granted additional 18permissions described in the GCC Runtime Library Exception, version 193.1, as published by the Free Software Foundation. 20 21You should have received a copy of the GNU General Public License and 22a copy of the GCC Runtime Library Exception along with this program; 23see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24<http://www.gnu.org/licenses/>. */ 25 26#include "libgfortran.h" 27 28index_type 29size0 (const array_t * array) 30{ 31 int n; 32 index_type size; 33 index_type len; 34 35 size = 1; 36 for (n = 0; n < GFC_DESCRIPTOR_RANK (array); n++) 37 { 38 len = GFC_DESCRIPTOR_EXTENT(array,n); 39 if (len < 0) 40 len = 0; 41 size *= len; 42 } 43 return size; 44} 45iexport(size0); 46 47extern index_type size1 (const array_t * array, index_type dim); 48export_proto(size1); 49 50index_type 51size1 (const array_t * array, index_type dim) 52{ 53 index_type size; 54 55 dim--; 56 57 size = GFC_DESCRIPTOR_EXTENT(array,dim); 58 if (size < 0) 59 size = 0; 60 return size; 61} 62