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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 -- S Y S T E M . I M G _ U N S --
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6 -- --
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7 -- S p e c --
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8 -- --
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9 -- Copyright (C) 1992-2017, Free Software Foundation, Inc. --
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10 -- --
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11 -- GNAT is free software; you can redistribute it and/or modify it under --
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12 -- terms of the GNU General Public License as published by the Free Soft- --
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13 -- ware Foundation; either version 3, or (at your option) any later ver- --
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14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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16 -- or FITNESS FOR A PARTICULAR PURPOSE. --
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17 -- --
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18 -- As a special exception under Section 7 of GPL version 3, you are granted --
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19 -- additional permissions described in the GCC Runtime Library Exception, --
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20 -- version 3.1, as published by the Free Software Foundation. --
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21 -- --
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22 -- You should have received a copy of the GNU General Public License and --
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23 -- a copy of the GCC Runtime Library Exception along with this program; --
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24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
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25 -- <http://www.gnu.org/licenses/>. --
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26 -- --
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27 -- GNAT was originally developed by the GNAT team at New York University. --
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28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
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29 -- --
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30 ------------------------------------------------------------------------------
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31
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32 -- This package contains the routines for supporting the Image attribute for
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33 -- modular integer types up to size Unsigned'Size, and also for conversion
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34 -- operations required in Text_IO.Modular_IO for such types.
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35
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36 with System.Unsigned_Types;
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37
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38 package System.Img_Uns is
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39 pragma Pure;
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40
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41 procedure Image_Unsigned
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42 (V : System.Unsigned_Types.Unsigned;
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43 S : in out String;
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44 P : out Natural);
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45 pragma Inline (Image_Unsigned);
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46 -- Computes Unsigned'Image (V) and stores the result in S (1 .. P) setting
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47 -- the resulting value of P. The caller guarantees that S is long enough to
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48 -- hold the result, and that S'First is 1.
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49
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50 procedure Set_Image_Unsigned
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51 (V : System.Unsigned_Types.Unsigned;
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52 S : in out String;
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53 P : in out Natural);
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54 -- Stores the image of V in S starting at S (P + 1), P is updated to point
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55 -- to the last character stored. The value stored is identical to the value
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56 -- of Unsigned'Image (V) except that no leading space is stored. The caller
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57 -- guarantees that S is long enough to hold the result. S need not have a
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58 -- lower bound of 1.
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59
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60 end System.Img_Uns;
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