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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME COMPONENTS --
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4 -- --
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5 -- A D A . T E X T _ I O . D E C I M A L _ I O --
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6 -- --
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7 -- S p e c --
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8 -- --
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145
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9 -- Copyright (C) 1992-2019, Free Software Foundation, Inc. --
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111
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10 -- --
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11 -- This specification is derived from the Ada Reference Manual for use with --
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12 -- GNAT. The copyright notice above, and the license provisions that follow --
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13 -- apply solely to the contents of the part following the private keyword. --
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14 -- --
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15 -- GNAT is free software; you can redistribute it and/or modify it under --
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16 -- terms of the GNU General Public License as published by the Free Soft- --
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17 -- ware Foundation; either version 3, or (at your option) any later ver- --
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18 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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19 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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20 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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21 -- --
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22 -- As a special exception under Section 7 of GPL version 3, you are granted --
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23 -- additional permissions described in the GCC Runtime Library Exception, --
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24 -- version 3.1, as published by the Free Software Foundation. --
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25 -- --
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26 -- You should have received a copy of the GNU General Public License and --
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27 -- a copy of the GCC Runtime Library Exception along with this program; --
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28 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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29 -- <http://www.gnu.org/licenses/>. --
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30 -- --
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31 -- GNAT was originally developed by the GNAT team at New York University. --
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32 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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33 -- --
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34 ------------------------------------------------------------------------------
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35
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36 -- In Ada 95, the package Ada.Text_IO.Decimal_IO is a subpackage of Text_IO.
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37 -- This is for compatibility with Ada 83. In GNAT we make it a child package
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38 -- to avoid loading the necessary code if Decimal_IO is not instantiated.
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39 -- See routine Rtsfind.Check_Text_IO_Special_Unit for a description of how
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40 -- we patch up the difference in semantics so that it is invisible to the
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41 -- Ada programmer.
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42
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43 private generic
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44 type Num is delta <> digits <>;
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45
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46 package Ada.Text_IO.Decimal_IO is
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47
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48 Default_Fore : Field := Num'Fore;
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49 Default_Aft : Field := Num'Aft;
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50 Default_Exp : Field := 0;
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51
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52 procedure Get
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53 (File : File_Type;
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54 Item : out Num;
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145
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55 Width : Field := 0)
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56 with
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57 Pre => Is_Open (File) and then Mode (File) = In_File,
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58 Global => (In_Out => File_System);
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59
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60 procedure Get
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61 (Item : out Num;
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62 Width : Field := 0)
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63 with
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64 Post =>
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65 Line_Length'Old = Line_Length
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66 and Page_Length'Old = Page_Length,
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67 Global => (In_Out => File_System);
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68
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69 procedure Put
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70 (File : File_Type;
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71 Item : Num;
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72 Fore : Field := Default_Fore;
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73 Aft : Field := Default_Aft;
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74 Exp : Field := Default_Exp)
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75 with
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76 Pre => Is_Open (File) and then Mode (File) /= In_File,
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77 Post =>
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78 Line_Length (File)'Old = Line_Length (File)
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79 and Page_Length (File)'Old = Page_Length (File),
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80 Global => (In_Out => File_System);
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81
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82 procedure Put
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83 (Item : Num;
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84 Fore : Field := Default_Fore;
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85 Aft : Field := Default_Aft;
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86 Exp : Field := Default_Exp)
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87 with
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88 Post =>
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89 Line_Length'Old = Line_Length
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90 and Page_Length'Old = Page_Length,
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91 Global => (In_Out => File_System);
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92
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93 procedure Get
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94 (From : String;
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95 Item : out Num;
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96 Last : out Positive)
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97 with
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98 Global => null;
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111
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99
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100 procedure Put
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101 (To : out String;
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102 Item : Num;
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103 Aft : Field := Default_Aft;
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104 Exp : Field := Default_Exp)
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105 with
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106 Global => null;
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111
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107
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108 private
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109 pragma Inline (Get);
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110 pragma Inline (Put);
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111
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112 end Ada.Text_IO.Decimal_IO;
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