| 1 |
733 |
jeremybenn |
! Copyright 2003, 2004, 2009, 2010 Free Software Foundation, Inc.
|
| 2 |
|
|
! Contributed by Kejia Zhao
|
| 3 |
|
|
!
|
| 4 |
|
|
!This file is part of the GNU Fortran runtime library (libgfortran).
|
| 5 |
|
|
!
|
| 6 |
|
|
!Libgfortran is free software; you can redistribute it and/or
|
| 7 |
|
|
!modify it under the terms of the GNU General Public
|
| 8 |
|
|
!License as published by the Free Software Foundation; either
|
| 9 |
|
|
!version 3 of the License, or (at your option) any later version.
|
| 10 |
|
|
!
|
| 11 |
|
|
!Libgfortran is distributed in the hope that it will be useful,
|
| 12 |
|
|
!but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 13 |
|
|
!MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 14 |
|
|
!GNU General Public License for more details.
|
| 15 |
|
|
!
|
| 16 |
|
|
!Under Section 7 of GPL version 3, you are granted additional
|
| 17 |
|
|
!permissions described in the GCC Runtime Library Exception, version
|
| 18 |
|
|
!3.1, as published by the Free Software Foundation.
|
| 19 |
|
|
!
|
| 20 |
|
|
!You should have received a copy of the GNU General Public License and
|
| 21 |
|
|
!a copy of the GCC Runtime Library Exception along with this program;
|
| 22 |
|
|
!see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
|
| 23 |
|
|
!.
|
| 24 |
|
|
|
| 25 |
|
|
function _gfortran_selected_real_kind2008 (p, r, rdx)
|
| 26 |
|
|
implicit none
|
| 27 |
|
|
integer, optional, intent (in) :: p, r, rdx
|
| 28 |
|
|
integer :: _gfortran_selected_real_kind2008
|
| 29 |
|
|
integer :: i, p2, r2, radix2
|
| 30 |
|
|
logical :: found_p, found_r, found_radix
|
| 31 |
|
|
! Real kind_precision_range table
|
| 32 |
|
|
type :: real_info
|
| 33 |
|
|
integer :: kind
|
| 34 |
|
|
integer :: precision
|
| 35 |
|
|
integer :: range
|
| 36 |
|
|
integer :: radix
|
| 37 |
|
|
end type real_info
|
| 38 |
|
|
|
| 39 |
|
|
include "selected_real_kind.inc"
|
| 40 |
|
|
|
| 41 |
|
|
_gfortran_selected_real_kind2008 = 0
|
| 42 |
|
|
p2 = 0
|
| 43 |
|
|
r2 = 0
|
| 44 |
|
|
radix2 = 0
|
| 45 |
|
|
found_p = .false.
|
| 46 |
|
|
found_r = .false.
|
| 47 |
|
|
found_radix = .false.
|
| 48 |
|
|
|
| 49 |
|
|
if (present (p)) p2 = p
|
| 50 |
|
|
if (present (r)) r2 = r
|
| 51 |
|
|
if (present (rdx)) radix2 = rdx
|
| 52 |
|
|
|
| 53 |
|
|
! Assumes each type has a greater precision and range than previous one.
|
| 54 |
|
|
|
| 55 |
|
|
do i = 1, c
|
| 56 |
|
|
if (p2 <= real_infos (i) % precision) found_p = .true.
|
| 57 |
|
|
if (r2 <= real_infos (i) % range) found_r = .true.
|
| 58 |
|
|
if (radix2 <= real_infos (i) % radix) found_radix = .true.
|
| 59 |
|
|
|
| 60 |
|
|
if (p2 <= real_infos (i) % precision &
|
| 61 |
|
|
.and. r2 <= real_infos (i) % range &
|
| 62 |
|
|
.and. radix2 <= real_infos (i) % radix) then
|
| 63 |
|
|
_gfortran_selected_real_kind2008 = real_infos (i) % kind
|
| 64 |
|
|
return
|
| 65 |
|
|
end if
|
| 66 |
|
|
end do
|
| 67 |
|
|
|
| 68 |
|
|
if (found_radix .and. found_r .and. .not. found_p) then
|
| 69 |
|
|
_gfortran_selected_real_kind2008 = -1
|
| 70 |
|
|
elseif (found_radix .and. found_p .and. .not. found_r) then
|
| 71 |
|
|
_gfortran_selected_real_kind2008 = -2
|
| 72 |
|
|
elseif (found_radix .and. .not. found_p .and. .not. found_r) then
|
| 73 |
|
|
_gfortran_selected_real_kind2008 = -3
|
| 74 |
|
|
elseif (found_radix) then
|
| 75 |
|
|
_gfortran_selected_real_kind2008 = -4
|
| 76 |
|
|
else
|
| 77 |
|
|
_gfortran_selected_real_kind2008 = -5
|
| 78 |
|
|
end if
|
| 79 |
|
|
end function _gfortran_selected_real_kind2008
|
| 80 |
|
|
|
| 81 |
|
|
function _gfortran_selected_real_kind (p, r)
|
| 82 |
|
|
implicit none
|
| 83 |
|
|
integer, optional, intent (in) :: p, r
|
| 84 |
|
|
integer :: _gfortran_selected_real_kind
|
| 85 |
|
|
|
| 86 |
|
|
interface
|
| 87 |
|
|
function _gfortran_selected_real_kind2008 (p, r, rdx)
|
| 88 |
|
|
implicit none
|
| 89 |
|
|
integer, optional, intent (in) :: p, r, rdx
|
| 90 |
|
|
integer :: _gfortran_selected_real_kind2008
|
| 91 |
|
|
end function _gfortran_selected_real_kind2008
|
| 92 |
|
|
end interface
|
| 93 |
|
|
|
| 94 |
|
|
_gfortran_selected_real_kind = _gfortran_selected_real_kind2008 (p, r)
|
| 95 |
|
|
end function
|
