1 // Created on: 2006-08-22
2 // Created by: Alexander GRIGORIEV
3 // Copyright (c) 2006-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #ifndef _Standard_Size_HeaderFile
17 #define _Standard_Size_HeaderFile
19 #include <Standard_Integer.hxx>
21 // msv 26.05.2009: add HashCode and IsEqual functions
23 //! Computes a hash code for the given value of the Standard_Size type, in the range [1, theUpperBound]
24 //! @param theValue the value of the Standard_Size type which hash code is to be computed
25 //! @param theUpperBound the upper bound of the range a computing hash code must be within
26 //! @return a computed hash code, in the range [1, theUpperBound]
27 inline Standard_Integer HashCode (const Standard_Size theValue, const Standard_Integer theUpperBound)
29 Standard_Size aKey = ~theValue + (theValue << 18);
35 return IntegerHashCode(aKey, IntegerLast(), theUpperBound);
38 // ------------------------------------------------------------------
39 // IsEqual : Returns Standard_True if two values are equal
40 // ------------------------------------------------------------------
41 inline Standard_Boolean IsEqual(const Standard_Size One,
42 const Standard_Size Two)