blob: 26af05995ed73f05b213b636a9df1a84518b3018 [file] [log] [blame]
------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . F O R E _ F I X E D _ 6 4 --
-- --
-- S p e c --
-- --
-- Copyright (C) 2020-2022, 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 the routine used for the 'Fore attribute for ordinary
-- fixed point types up to 64-bit small and mantissa.
with Interfaces;
with System.Arith_64;
with System.Fore_F;
package System.Fore_Fixed_64 is
pragma Pure;
subtype Int64 is Interfaces.Integer_64;
package Impl is new Fore_F (Int64, Arith_64.Scaled_Divide64);
function Fore_Fixed64
(Lo, Hi, Num, Den : Int64; Scale : Integer) return Natural
renames Impl.Fore_Fixed;
end System.Fore_Fixed_64;