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1 ------------------------------------------------------------------------------
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2 -- --
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3 -- GNAT RUN-TIME LIBRARY (GNARL) COMPONENTS --
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4 -- --
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5 -- S Y S T E M . G E N E R I C _ V E C T O R _ O P E R A T I O 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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131
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9 -- Copyright (C) 2002-2018, Free Software Foundation, Inc. --
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111
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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 generic procedures for vector operations on arrays.
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33 -- If the arguments are aligned on word boundaries and the word size is a
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34 -- multiple M of the element size, the operations will be done M elements
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35 -- at a time using vector operations on a word.
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36
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37 -- All routines assume argument arrays have the same length, and arguments
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38 -- with mode "in" do not alias arguments with mode "out" or "in out".
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39 -- If the number N of elements to be processed is not a multiple of M
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40 -- the final N rem M elements will be processed one item at a time.
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41
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42 with System.Vectors;
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43 with System.Storage_Elements;
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44
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45 generic
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46 type Element is (<>);
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47 type Index is (<>);
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48 type Element_Array is array (Index range <>) of Element;
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49
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50 package System.Generic_Vector_Operations is
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51 pragma Pure;
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52
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53 generic
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54 with function Element_Op (X, Y : Element) return Element;
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55 with function Vector_Op (X, Y : Vectors.Vector) return Vectors.Vector;
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56 procedure Binary_Operation
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57 (R, X, Y : System.Address;
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58 Length : System.Storage_Elements.Storage_Count);
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59
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60 generic
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61 with function Element_Op (X : Element) return Element;
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62 with function Vector_Op (X : Vectors.Vector) return Vectors.Vector;
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63 procedure Unary_Operation
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64 (R, X : System.Address;
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65 Length : System.Storage_Elements.Storage_Count);
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66 end System.Generic_Vector_Operations;
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