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------------------------------------------------------------------------------
-- --
-- GNAT RUN-TIME COMPONENTS --
-- --
-- S Y S T E M . A R I T H _ 6 4 --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2022, 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. --
-- --
------------------------------------------------------------------------------
with System.Arith_Double;
package body System.Arith_64
with SPARK_Mode
is
subtype Uns64 is Interfaces.Unsigned_64;
subtype Uns32 is Interfaces.Unsigned_32;
use Interfaces;
package Impl is new Arith_Double (Int64, Uns64, Uns32);
function Add_With_Ovflo_Check64 (X, Y : Int64) return Int64
renames Impl.Add_With_Ovflo_Check;
function Subtract_With_Ovflo_Check64 (X, Y : Int64) return Int64
renames Impl.Subtract_With_Ovflo_Check;
function Multiply_With_Ovflo_Check64 (X, Y : Int64) return Int64
renames Impl.Multiply_With_Ovflo_Check;
procedure Scaled_Divide64
(X, Y, Z : Int64;
Q, R : out Int64;
Round : Boolean)
renames Impl.Scaled_Divide;
procedure Double_Divide64
(X, Y, Z : Int64;
Q, R : out Int64;
Round : Boolean)
renames Impl.Double_Divide;
end System.Arith_64;