old-autovect-branch/gcc/ada/s-filofl.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --            S Y S T E M . F A T _ I E E E _ L O N G _ F L O A T           --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2005 Free Software Foundation, Inc.          --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- As a special exception,  if other files  instantiate  generics from this --
  23 -- unit, or you link  this unit with other files  to produce an executable, --
  24 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  25 -- covered  by the  GNU  General  Public  License.  This exception does not --
  26 -- however invalidate  any other reasons why  the executable file  might be --
  27 -- covered by the  GNU Public License.                                      --
  28 --                                                                          --
  29 -- GNAT was originally developed  by the GNAT team at  New York University. --
  30 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  31 --                                                                          --
  32 ------------------------------------------------------------------------------
  33
  34 --  This package contains an instantiation of the floating-point attribute
  35 --  runtime routines for IEEE long float. This is used on VMS targest where
  36 --  we can't just use Long_Float, since this may have been mapped to Vax_Float
  37 --  using a Float_Representation configuration pragma.
  38
  39 with System.Fat_Gen;
  40
  41 package System.Fat_IEEE_Long_Float is
  42    pragma Pure;
  43
  44    type Fat_IEEE_Long is digits 15;
  45    pragma Float_Representation (IEEE_Float, Fat_IEEE_Long);
  46
  47    --  Note the only entity from this package that is acccessed by Rtsfind
  48    --  is the name of the package instantiation. Entities within this package
  49    --  (i.e. the individual floating-point attribute routines) are accessed
  50    --  by name using selected notation.
  51
  52    package Attr_IEEE_Long is new System.Fat_Gen (Fat_IEEE_Long);
  53
  54 end System.Fat_IEEE_Long_Float;