1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
5 -- S Y S T E M . V A L _ L F L T --
9 -- Copyright (C) 2020-2023, Free Software Foundation, Inc. --
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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- This package contains routines for scanning real values for floating point
33 -- type Long_Float, for use in Text_IO.Float_IO and the Value attribute.
35 with System
.Powten_LFlt
;
36 with System
.Unsigned_Types
;
39 package System
.Val_LFlt
is
42 package Impl
is new Val_Real
44 System
.Powten_LFlt
.Maxpow
,
45 System
.Powten_LFlt
.Powfive
'Address,
46 System
.Powten_LFlt
.Powfive_100
'Address,
47 System
.Powten_LFlt
.Powfive_200
'Address,
48 System
.Powten_LFlt
.Powfive_300
'Address,
49 Unsigned_Types
.Long_Long_Unsigned
);
51 function Scan_Long_Float
53 Ptr
: not null access Integer;
54 Max
: Integer) return Long_Float
55 renames Impl
.Scan_Real
;
57 function Value_Long_Float
(Str
: String) return Long_Float
58 renames Impl
.Value_Real
;