1------------------------------------------------------------------------------ 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) 1992-1997 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, 59 Temple Place - Suite 330, Boston, -- 24-- MA 02111-1307, 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 38package Ada.Decimal is 39pragma Pure (Decimal); 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 66private 67 pragma Inline (Divide); 68 69end Ada.Decimal; 70