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   DEFINE_STANDARD_ALLOC
0032
0033   Standard_EXPORT MAT2d_BiInt(const int I1, const int I2);
0034
0035   Standard_EXPORT int FirstIndex() const;
0036
0037   Standard_EXPORT int SecondIndex() const;
0038
0039   Standard_EXPORT void FirstIndex(const int I1);
0040
0041   Standard_EXPORT void SecondIndex(const int I2);
0042
0043   Standard_EXPORT bool IsEqual(const MAT2d_BiInt& B) const;
0044
0045   bool operator==(const MAT2d_BiInt& B) const { return IsEqual(B); }
0046
0047 private:
0048   int i1;
0049   int i2;
0050 };
0051
0052 namespace std
0053 {
0054 template <>
0055 struct hash<MAT2d_BiInt>
0056 {
0057   size_t operator()(const MAT2d_BiInt& theBiInt) const noexcept
0058   {
0059     // Combine two int values into a single hash value.
0060     int aCombination[2]{theBiInt.FirstIndex(), theBiInt.SecondIndex()};
0061     return opencascade::hashBytes(aCombination, sizeof(aCombination));
0062   }
0063 };
0064 } // namespace std
0065
0066 #endif // _MAT2d_BiInt_HeaderFile