| 1 |
12 |
jlechner |
------------------------------------------------------------------------------
|
| 2 |
|
|
-- --
|
| 3 |
|
|
-- GNAT RUN-TIME COMPONENTS --
|
| 4 |
|
|
-- --
|
| 5 |
|
|
-- A D A . D E C I M A L --
|
| 6 |
|
|
-- --
|
| 7 |
|
|
-- S p e c --
|
| 8 |
|
|
-- --
|
| 9 |
|
|
-- Copyright (C) 1992-2005, Free Software Foundation, Inc. --
|
| 10 |
|
|
-- --
|
| 11 |
|
|
-- This specification is derived from the Ada Reference Manual for use with --
|
| 12 |
|
|
-- GNAT. The copyright notice above, and the license provisions that follow --
|
| 13 |
|
|
-- apply solely to the contents of the part following the private keyword. --
|
| 14 |
|
|
-- --
|
| 15 |
|
|
-- GNAT is free software; you can redistribute it and/or modify it under --
|
| 16 |
|
|
-- terms of the GNU General Public License as published by the Free Soft- --
|
| 17 |
|
|
-- ware Foundation; either version 2, or (at your option) any later ver- --
|
| 18 |
|
|
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
|
| 19 |
|
|
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
|
| 20 |
|
|
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
|
| 21 |
|
|
-- for more details. You should have received a copy of the GNU General --
|
| 22 |
|
|
-- Public License distributed with GNAT; see file COPYING. If not, write --
|
| 23 |
|
|
-- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
|
| 24 |
|
|
-- Boston, MA 02110-1301, USA. --
|
| 25 |
|
|
-- --
|
| 26 |
|
|
-- As a special exception, if other files instantiate generics from this --
|
| 27 |
|
|
-- unit, or you link this unit with other files to produce an executable, --
|
| 28 |
|
|
-- this unit does not by itself cause the resulting executable to be --
|
| 29 |
|
|
-- covered by the GNU General Public License. This exception does not --
|
| 30 |
|
|
-- however invalidate any other reasons why the executable file might be --
|
| 31 |
|
|
-- covered by the GNU Public License. --
|
| 32 |
|
|
-- --
|
| 33 |
|
|
-- GNAT was originally developed by the GNAT team at New York University. --
|
| 34 |
|
|
-- Extensive contributions were provided by Ada Core Technologies Inc. --
|
| 35 |
|
|
-- --
|
| 36 |
|
|
------------------------------------------------------------------------------
|
| 37 |
|
|
|
| 38 |
|
|
package Ada.Decimal is
|
| 39 |
|
|
pragma Pure;
|
| 40 |
|
|
|
| 41 |
|
|
-- The compiler makes a number of assumptions based on the following five
|
| 42 |
|
|
-- constants (e.g. there is an assumption that decimal values can always
|
| 43 |
|
|
-- be represented in 64-bit signed binary form), so code modifications are
|
| 44 |
|
|
-- required to increase these constants.
|
| 45 |
|
|
|
| 46 |
|
|
Max_Scale : constant := +18;
|
| 47 |
|
|
Min_Scale : constant := -18;
|
| 48 |
|
|
|
| 49 |
|
|
Min_Delta : constant := 1.0E-18;
|
| 50 |
|
|
Max_Delta : constant := 1.0E+18;
|
| 51 |
|
|
|
| 52 |
|
|
Max_Decimal_Digits : constant := 18;
|
| 53 |
|
|
|
| 54 |
|
|
generic
|
| 55 |
|
|
type Dividend_Type is delta <> digits <>;
|
| 56 |
|
|
type Divisor_Type is delta <> digits <>;
|
| 57 |
|
|
type Quotient_Type is delta <> digits <>;
|
| 58 |
|
|
type Remainder_Type is delta <> digits <>;
|
| 59 |
|
|
|
| 60 |
|
|
procedure Divide
|
| 61 |
|
|
(Dividend : in Dividend_Type;
|
| 62 |
|
|
Divisor : in Divisor_Type;
|
| 63 |
|
|
Quotient : out Quotient_Type;
|
| 64 |
|
|
Remainder : out Remainder_Type);
|
| 65 |
|
|
|
| 66 |
|
|
private
|
| 67 |
|
|
pragma Inline (Divide);
|
| 68 |
|
|
|
| 69 |
|
|
end Ada.Decimal;
|
