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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . V A L _ F I X E D _ 6 4 --
-- --
-- S p e c --
-- --
-- Copyright (C) 2020, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- This package contains routines for scanning values for decimal fixed point
-- types up to 64-bit small and mantissa, for use in Text_IO.Decimal_IO, and
-- the Value attribute for such decimal types.
with Interfaces;
with System.Arith_64;
with System.Value_F;
package System.Val_Fixed_64 is
pragma Preelaborate;
subtype Int64 is Interfaces.Integer_64;
subtype Uns64 is Interfaces.Unsigned_64;
package Impl is new Value_F (Int64, Uns64, Arith_64.Scaled_Divide64);
function Scan_Fixed64
(Str : String;
Ptr : not null access Integer;
Max : Integer;
Num : Int64;
Den : Int64) return Int64
renames Impl.Scan_Fixed;
function Value_Fixed64
(Str : String; Num : Int64; Den : Int64) return Int64
renames Impl.Value_Fixed;
end System.Val_Fixed_64;
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