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IsVecScalarDivExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_ISVECSCALARDIVEXPR_H_
36 #define _BLAZE_MATH_TYPETRAITS_ISVECSCALARDIVEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <boost/type_traits/is_base_of.hpp>
45 #include <blaze/util/FalseType.h>
46 #include <blaze/util/SelectType.h>
47 #include <blaze/util/TrueType.h>
48 
49 
50 namespace blaze {
51 
52 //=================================================================================================
53 //
54 // CLASS DEFINITION
55 //
56 //=================================================================================================
57 
58 //*************************************************************************************************
63 template< typename T >
64 struct IsVecScalarDivExprHelper
65 {
66  //**********************************************************************************************
67  enum { value = boost::is_base_of<VecScalarDivExpr,T>::value && !boost::is_base_of<T,VecScalarDivExpr>::value };
68  typedef typename SelectType<value,TrueType,FalseType>::Type Type;
69  //**********************************************************************************************
70 };
72 //*************************************************************************************************
73 
74 
75 //*************************************************************************************************
88 template< typename T >
89 struct IsVecScalarDivExpr : public IsVecScalarDivExprHelper<T>::Type
90 {
91  public:
92  //**********************************************************************************************
94  enum { value = IsVecScalarDivExprHelper<T>::value };
95  typedef typename IsVecScalarDivExprHelper<T>::Type Type;
97  //**********************************************************************************************
98 };
99 //*************************************************************************************************
100 
101 } // namespace blaze
102 
103 #endif
Header file for the FalseType type/value trait base class.
Header file for the VecScalarDivExpr base class.
Header file for the SelectType class template.
Compile time check whether the given type is a vector/scalar division expression template.This type trait class tests whether or not the given type Type is a vector/scalar division expression template. In order to qualify as a valid vector/scalar division expression template, the given type has to derive (publicly or privately) from the VecScalarDivExpr base class. In case the given type is a valid vector/scalar division expression template, the value member enumeration is set to 1, the nested type definition Type is TrueType, and the class derives from TrueType. Otherwise value is set to 0, Type is FalseType, and the class derives from FalseType.
Definition: IsVecScalarDivExpr.h:89
Header file for the TrueType type/value trait base class.