gcc/ada/a-decima.ads

   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                                  --
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   9 --                            $Revision: 1.9 $                              --
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  11 --          Copyright (C) 1992-1997 Free Software Foundation, Inc.          --
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  14 -- GNAT. The copyright notice above, and the license provisions that follow --
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  36 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  37 --                                                                          --
  38 ------------------------------------------------------------------------------
  39
  40 package Ada.Decimal is
  41 pragma Pure (Decimal);
  42
  43    --  The compiler makes a number of assumptions based on the following five
  44    --  constants (e.g. there is an assumption that decimal values can always
  45    --  be represented in 64-bit signed binary form), so code modifications are
  46    --  required to increase these constants.
  47
  48    Max_Scale : constant := +18;
  49    Min_Scale : constant := -18;
  50
  51    Min_Delta : constant := 1.0E-18;
  52    Max_Delta : constant := 1.0E+18;
  53
  54    Max_Decimal_Digits : constant := 18;
  55
  56    generic
  57       type Dividend_Type  is delta <> digits <>;
  58       type Divisor_Type   is delta <> digits <>;
  59       type Quotient_Type  is delta <> digits <>;
  60       type Remainder_Type is delta <> digits <>;
  61
  62    procedure Divide
  63      (Dividend  : in Dividend_Type;
  64       Divisor   : in Divisor_Type;
  65       Quotient  : out Quotient_Type;
  66       Remainder : out Remainder_Type);
  67
  68 private
  69    pragma Inline (Divide);
  70
  71 end Ada.Decimal;