| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- S Y S T E M . A R I T H _ 1 2 8 -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with System.Arith_Double; |
| |
| package body System.Arith_128 |
| with SPARK_Mode |
| is |
| |
| subtype Uns128 is Interfaces.Unsigned_128; |
| subtype Uns64 is Interfaces.Unsigned_64; |
| |
| use Interfaces; |
| |
| package Impl is new Arith_Double (Int128, Uns128, Uns64); |
| |
| function Add_With_Ovflo_Check128 (X, Y : Int128) return Int128 |
| renames Impl.Add_With_Ovflo_Check; |
| |
| function Subtract_With_Ovflo_Check128 (X, Y : Int128) return Int128 |
| renames Impl.Subtract_With_Ovflo_Check; |
| |
| function Multiply_With_Ovflo_Check128 (X, Y : Int128) return Int128 |
| renames Impl.Multiply_With_Ovflo_Check; |
| |
| procedure Scaled_Divide128 |
| (X, Y, Z : Int128; |
| Q, R : out Int128; |
| Round : Boolean) |
| renames Impl.Scaled_Divide; |
| |
| procedure Double_Divide128 |
| (X, Y, Z : Int128; |
| Q, R : out Int128; |
| Round : Boolean) |
| renames Impl.Double_Divide; |
| |
| end System.Arith_128; |
