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Diffstat (limited to 'gcc/ada/libgnat/s-vafi64.ads')
| -rw-r--r-- | gcc/ada/libgnat/s-vafi64.ads | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/gcc/ada/libgnat/s-vafi64.ads b/gcc/ada/libgnat/s-vafi64.ads new file mode 100644 index 0000000..9f98df4 --- /dev/null +++ b/gcc/ada/libgnat/s-vafi64.ads @@ -0,0 +1,60 @@ +------------------------------------------------------------------------------ +-- -- +-- 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; |