include/opencascade/MAT2d_BiInt.hxx

0001 // Created on: 1993-11-19
0002 // Created by: Yves FRICAUD
0003 // Copyright (c) 1993-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _MAT2d_BiInt_HeaderFile
0018 #define _MAT2d_BiInt_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Standard_Boolean.hxx>
0025 #include <Standard_HashUtils.hxx>
0026
0027 //! BiInt is a set of two integers.
0028 class MAT2d_BiInt
0029 {
0030 public:
0031
0032   DEFINE_STANDARD_ALLOC
0033
0034
0035   Standard_EXPORT MAT2d_BiInt(const Standard_Integer I1, const Standard_Integer I2);
0036
0037   Standard_EXPORT Standard_Integer FirstIndex() const;
0038
0039   Standard_EXPORT Standard_Integer SecondIndex() const;
0040
0041   Standard_EXPORT void FirstIndex (const Standard_Integer I1);
0042
0043   Standard_EXPORT void SecondIndex (const Standard_Integer I2);
0044
0045   Standard_EXPORT Standard_Boolean IsEqual (const MAT2d_BiInt& B) const;
0046 Standard_Boolean operator == (const MAT2d_BiInt& B) const
0047 {
0048   return IsEqual(B);
0049 }
0050
0051
0052
0053
0054 protected:
0055
0056
0057
0058
0059
0060 private:
0061
0062
0063
0064   Standard_Integer i1;
0065   Standard_Integer i2;
0066
0067
0068 };
0069
0070 namespace std
0071 {
0072   template <>
0073   struct hash<MAT2d_BiInt>
0074   {
0075     size_t operator()(const MAT2d_BiInt& theBiInt) const noexcept
0076     {
0077       // Combine two int values into a single hash value.
0078       int aCombination[2]{ theBiInt.FirstIndex(), theBiInt.SecondIndex() };
0079       return opencascade::hashBytes(aCombination, sizeof(aCombination));
0080     }
0081   };
0082 }
0083
0084
0085
0086
0087
0088
0089 #endif // _MAT2d_BiInt_HeaderFile