! Copyright (C) 2003-2021 Free Software Foundation, Inc. ! Contributed by Kejia Zhao ! !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 !. function _gfortran_selected_real_kind2008 (p, r, rdx) implicit none integer, optional, intent (in) :: p, r, rdx integer :: _gfortran_selected_real_kind2008 integer :: i, p2, r2, radix2 logical :: found_p, found_r, found_radix ! Real kind_precision_range table type :: real_info integer :: kind integer :: precision integer :: range integer :: radix end type real_info include "selected_real_kind.inc" _gfortran_selected_real_kind2008 = 0 p2 = 0 r2 = 0 radix2 = 0 found_p = .false. found_r = .false. found_radix = .false. if (present (p)) p2 = p if (present (r)) r2 = r if (present (rdx)) radix2 = rdx ! Assumes each type has a greater precision and range than previous one. do i = 1, c if (p2 <= real_infos (i) % precision) found_p = .true. if (r2 <= real_infos (i) % range) found_r = .true. if (radix2 <= real_infos (i) % radix) found_radix = .true. if (p2 <= real_infos (i) % precision & .and. r2 <= real_infos (i) % range & .and. radix2 <= real_infos (i) % radix) then _gfortran_selected_real_kind2008 = real_infos (i) % kind return end if end do if (found_radix .and. found_r .and. .not. found_p) then _gfortran_selected_real_kind2008 = -1 elseif (found_radix .and. found_p .and. .not. found_r) then _gfortran_selected_real_kind2008 = -2 elseif (found_radix .and. .not. found_p .and. .not. found_r) then _gfortran_selected_real_kind2008 = -3 elseif (found_radix) then _gfortran_selected_real_kind2008 = -4 else _gfortran_selected_real_kind2008 = -5 end if end function _gfortran_selected_real_kind2008 function _gfortran_selected_real_kind (p, r) implicit none integer, optional, intent (in) :: p, r integer :: _gfortran_selected_real_kind interface function _gfortran_selected_real_kind2008 (p, r, rdx) implicit none integer, optional, intent (in) :: p, r, rdx integer :: _gfortran_selected_real_kind2008 end function _gfortran_selected_real_kind2008 end interface _gfortran_selected_real_kind = _gfortran_selected_real_kind2008 (p, r) end function