diff options
Diffstat (limited to 'gcc-4.3.1/gcc/ada/a-calari.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/a-calari.adb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/a-calari.adb b/gcc-4.3.1/gcc/ada/a-calari.adb new file mode 100644 index 000000000..198f3d5cd --- /dev/null +++ b/gcc-4.3.1/gcc/ada/a-calari.adb @@ -0,0 +1,102 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- A D A . C A L E N D A R . A R I T H M E T I C -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2006-2007, 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 2, 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. See the GNU General Public License -- +-- for more details. You should have received a copy of the GNU General -- +-- Public License distributed with GNAT; see file COPYING. If not, write -- +-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- +-- MA 02111-1307, USA. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body Ada.Calendar.Arithmetic is + + -------------------------- + -- Implementation Notes -- + -------------------------- + + -- All operations in this package are target and time representation + -- independent, thus only one source file is needed for multiple targets. + + --------- + -- "+" -- + --------- + + function "+" (Left : Time; Right : Day_Count) return Time is + R : constant Long_Integer := Long_Integer (Right); + begin + return Arithmetic_Operations.Add (Left, R); + end "+"; + + function "+" (Left : Day_Count; Right : Time) return Time is + L : constant Long_Integer := Long_Integer (Left); + begin + return Arithmetic_Operations.Add (Right, L); + end "+"; + + --------- + -- "-" -- + --------- + + function "-" (Left : Time; Right : Day_Count) return Time is + R : constant Long_Integer := Long_Integer (Right); + begin + return Arithmetic_Operations.Subtract (Left, R); + end "-"; + + function "-" (Left, Right : Time) return Day_Count is + Days : Long_Integer; + Seconds : Duration; + Leap_Seconds : Integer; + pragma Warnings (Off, Seconds); -- temporary ??? + pragma Warnings (Off, Leap_Seconds); -- temporary ??? + pragma Unreferenced (Seconds, Leap_Seconds); + begin + Arithmetic_Operations.Difference + (Left, Right, Days, Seconds, Leap_Seconds); + return Day_Count (Days); + end "-"; + + ---------------- + -- Difference -- + ---------------- + + procedure Difference + (Left : Time; + Right : Time; + Days : out Day_Count; + Seconds : out Duration; + Leap_Seconds : out Leap_Seconds_Count) + is + Op_Days : Long_Integer; + Op_Leaps : Integer; + begin + Arithmetic_Operations.Difference + (Left, Right, Op_Days, Seconds, Op_Leaps); + Days := Day_Count (Op_Days); + Leap_Seconds := Leap_Seconds_Count (Op_Leaps); + end Difference; + +end Ada.Calendar.Arithmetic; |