libgfortran/ieee/ieee_features.F90

   1 !    Implementation of the IEEE_FEATURES standard intrinsic module
   2 !    Copyright (C) 2013-2020 Free Software Foundation, Inc.
   3 !    Contributed by Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
   4 !
   5 ! This file is part of the GNU Fortran runtime library (libgfortran).
   6 !
   7 ! Libgfortran is free software; you can redistribute it and/or
   8 ! modify it under the terms of the GNU General Public
   9 ! License as published by the Free Software Foundation; either
  10 ! version 3 of the License, or (at your option) any later version.
  11 !
  12 ! Libgfortran is distributed in the hope that it will be useful,
  13 ! but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ! GNU General Public License for more details.
  16 !
  17 ! Under Section 7 of GPL version 3, you are granted additional
  18 ! permissions described in the GCC Runtime Library Exception, version
  19 ! 3.1, as published by the Free Software Foundation.
  20 !
  21 ! You should have received a copy of the GNU General Public License and
  22 ! a copy of the GCC Runtime Library Exception along with this program;
  23 ! see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  24 ! <http://www.gnu.org/licenses/>.  */
  25
  26 module IEEE_FEATURES
  27
  28   implicit none
  29   private
  30
  31   type, public :: IEEE_FEATURES_TYPE
  32     private
  33     integer :: hidden
  34   end type
  35
  36   type(IEEE_FEATURES_TYPE), parameter, public :: &
  37     IEEE_DATATYPE       = IEEE_FEATURES_TYPE(0), &
  38     IEEE_DENORMAL       = IEEE_FEATURES_TYPE(1), &
  39     IEEE_SUBNORMAL      = IEEE_FEATURES_TYPE(1), &
  40     IEEE_DIVIDE         = IEEE_FEATURES_TYPE(2), &
  41     IEEE_HALTING        = IEEE_FEATURES_TYPE(3), &
  42     IEEE_INEXACT_FLAG   = IEEE_FEATURES_TYPE(4), &
  43     IEEE_INF            = IEEE_FEATURES_TYPE(5), &
  44     IEEE_INVALID_FLAG   = IEEE_FEATURES_TYPE(6), &
  45     IEEE_NAN            = IEEE_FEATURES_TYPE(7), &
  46     IEEE_ROUNDING       = IEEE_FEATURES_TYPE(8), &
  47     IEEE_SQRT           = IEEE_FEATURES_TYPE(9), &
  48     IEEE_UNDERFLOW_FLAG = IEEE_FEATURES_TYPE(10)
  49
  50 end module IEEE_FEATURES