Blaze  3.6
IsCrossExpr.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_ISCROSSEXPR_H_
36 #define _BLAZE_MATH_TYPETRAITS_ISCROSSEXPR_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
45 
46 
47 namespace blaze {
48 
49 //=================================================================================================
50 //
51 // CLASS DEFINITION
52 //
53 //=================================================================================================
54 
55 //*************************************************************************************************
60 template< typename T >
61 struct IsCrossExprHelper
62 {
63  private:
64  //**********************************************************************************************
65  static T* create();
66 
67  template< typename VT >
68  static TrueType test( const CrossExpr<VT>* );
69 
70  template< typename VT >
71  static TrueType test( const volatile CrossExpr<VT>* );
72 
73  static FalseType test( ... );
74  //**********************************************************************************************
75 
76  public:
77  //**********************************************************************************************
78  using Type = decltype( test( create() ) );
79  //**********************************************************************************************
80 };
82 //*************************************************************************************************
83 
84 
85 //*************************************************************************************************
97 template< typename T >
99  : public IsCrossExprHelper<T>::Type
100 {};
101 //*************************************************************************************************
102 
103 
104 //*************************************************************************************************
109 template< typename T >
110 struct IsCrossExpr<T&>
111  : public FalseType
112 {};
114 //*************************************************************************************************
115 
116 
117 //*************************************************************************************************
130 template< typename T >
132 //*************************************************************************************************
133 
134 } // namespace blaze
135 
136 #endif
BoolConstant< false > FalseType
Type/value traits base class.The FalseType class is used as base class for type traits and value trai...
Definition: IntegralConstant.h:121
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:72
Compile time check whether the given type is a cross product expression template.This type trait clas...
Definition: IsCrossExpr.h:98
constexpr bool IsCrossExpr_v
Auxiliary variable template for the IsCrossExpr type trait.The IsCrossExpr_v variable template provid...
Definition: IsCrossExpr.h:131
BoolConstant< true > TrueType
Type traits base class.The TrueType class is used as base class for type traits and value traits that...
Definition: IntegralConstant.h:132
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the CrossExpr base class.
Header file for the IntegralConstant class template.