Update copyright years.

[thirdparty/gcc.git] / libgfortran / intrinsics / selected_real_kind.f90

diff --git a/libgfortran/intrinsics/selected_real_kind.f90 b/libgfortran/intrinsics/selected_real_kind.f90
index 2ace5c0c4d20c203077fb70ef754c3a871e6cdea..28ef0976c5913cbc22a0d2756e758fa43525c485 100644 (file)
--- a/libgfortran/intrinsics/selected_real_kind.f90
+++ b/libgfortran/intrinsics/selected_real_kind.f90
@@ -1,61 +1,95 @@
-!   Copyright 2003, 2004 Free Software Foundation, Inc.
+!   Copyright (C) 2003-2020 Free Software Foundation, Inc.
 !   Contributed by Kejia Zhao <kejia_zh@yahoo.com.cn>
 !
-!This file is part of the GNU Fortran 95 runtime library (libgfor).
+!This file is part of the GNU Fortran runtime library (libgfortran).
 !
-!GNU libgfor is free software; you can redistribute it and/or
-!modify it under the terms of the GNU Lesser General Public
+!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 2.1 of the License, or (at your option) any later version.
+!version 3 of the License, or (at your option) any later version.
 !
-!GNU libgfor is distributed in the hope that it will be useful,
+!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 Lesser General Public License for more details.
+!GNU General Public License for more details.
 !
-!You should have received a copy of the GNU Lesser General Public
-!License along with libgfor; see the file COPYING.  If not,
-!write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-!Boston, MA 02110-1301, USA.
+!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
+!<http://www.gnu.org/licenses/>.
 
-function _gfortran_selected_real_kind (p, r)
+function _gfortran_selected_real_kind2008 (p, r, rdx)
   implicit none
-  integer, optional, intent (in) :: p, r
-  integer :: _gfortran_selected_real_kind
-  integer :: i, p2, r2
-  logical :: found_p, found_r
+  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_kind = 0
+  _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 (found_p .and. found_r) then
-      _gfortran_selected_real_kind = real_infos (i) % kind
+    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 (.not. (found_p)) _gfortran_selected_real_kind = _gfortran_selected_real_kind - 1
-  if (.not. (found_r)) _gfortran_selected_real_kind = _gfortran_selected_real_kind - 2
+  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
 
-  return
+  _gfortran_selected_real_kind = _gfortran_selected_real_kind2008 (p, r)
 end function