1/* Implementation of the size intrinsic. 2 Copyright (C) 2002-2022 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 28/* Note: This function is only used internally in libgfortran and old FE code, 29 new code generates the code inline. */ 30index_type 31size0 (const array_t * array) 32{ 33 int n; 34 index_type size; 35 index_type len; 36 37 size = 1; 38 for (n = 0; n < GFC_DESCRIPTOR_RANK (array); n++) 39 { 40 len = GFC_DESCRIPTOR_EXTENT(array,n); 41 if (len < 0) 42 len = 0; 43 size *= len; 44 } 45 return size; 46} 47iexport(size0); 48 49extern index_type size1 (const array_t * array, index_type dim); 50export_proto(size1); 51 52/* Note: This function it is unused in libgfortran itself and the FE no longer 53 call it; however, old code might still call it. */ 54index_type 55size1 (const array_t * array, index_type dim) 56{ 57 index_type size; 58 59 dim--; 60 61 size = GFC_DESCRIPTOR_EXTENT(array,dim); 62 if (size < 0) 63 size = 0; 64 return size; 65} 66