* Makefile.am (gfor_helper_src): Split selected_kind.f90.

        (gfor_built_src): Add selected_int_kind.inc selected_real_kind.inc.
        (selected_int_kind.inc selected_real_kind.inc): New rules.
        * Makefile.in: Regenerate.
        * mk-sik-inc.sh, mk-srk-inc.sh: New files.
        * intrinsics/selected_int_kind.f90: Split from selected_kind.f90,
        include table of detected kinds.
        * intrinsics/selected_real_kind.f90: Similarly.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@86801 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 61 insertions, 0 deletions

diff --git a/libgfortran/intrinsics/selected_real_kind.f90 b/libgfortran/intrinsics/selected_real_kind.f90
new file mode 100644
index 00000000000..df2881717cd
--- /dev/null
+++ b/libgfortran/intrinsics/selected_real_kind.f90
@@ -0,0 +1,61 @@
+!   Copyright 2003, 2004 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).
+!
+!GNU libgfor is free software; you can redistribute it and/or
+!modify it under the terms of the GNU Lesser General Public
+!License as published by the Free Software Foundation; either
+!version 2.1 of the License, or (at your option) any later version.
+!
+!GNU libgfor 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.
+!
+!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., 59 Temple Place - Suite 330,
+!Boston, MA 02111-1307, USA.
+!
+
+function selected_real_kind (p, r)
+  implicit none
+  integer, optional, intent (in) :: p, r
+  integer :: selected_real_kind
+  integer :: i, p2, r2
+  logical :: found_p, found_r
+  ! Real kind_precision_range table
+  type :: real_info
+    integer :: kind
+    integer :: precision
+    integer :: range
+  end type real_info
+
+  include "selected_real_kind.inc"
+
+  selected_real_kind = 0
+  p2 = 0
+  r2 = 0
+  found_p = .false.
+  found_r = .false.
+
+  if (present (p)) p2 = p
+  if (present (r)) r2 = r
+
+  ! 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
+      selected_real_kind = real_infos (i) % kind
+      return
+    end if
+  end do
+
+  if (.not. (found_p)) selected_real_kind = selected_real_kind - 1
+  if (.not. (found_r)) selected_real_kind = selected_real_kind - 2
+
+  return
+end function