diff options
Diffstat (limited to 'libgfortran/intrinsics/selected_real_kind.f90')
| -rw-r--r-- | libgfortran/intrinsics/selected_real_kind.f90 | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/libgfortran/intrinsics/selected_real_kind.f90 b/libgfortran/intrinsics/selected_real_kind.f90 index ea3b46aabdd..92708d7205f 100644 --- a/libgfortran/intrinsics/selected_real_kind.f90 +++ b/libgfortran/intrinsics/selected_real_kind.f90 @@ -1,7 +1,7 @@ -! Copyright 2003, 2004, 2009 Free Software Foundation, Inc. +! Copyright 2003, 2004, 2009, 2010 Free Software Foundation, Inc. ! Contributed by Kejia Zhao <kejia_zh@yahoo.com.cn> ! -!This file is part of the GNU Fortran 95 runtime library (libgfortran). +!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 @@ -22,43 +22,74 @@ !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 |