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 
44 #include <blaze/util/FalseType.h>
45 #include <blaze/util/TrueType.h>
46 
47 
48 namespace blaze {
49 
50 //=================================================================================================
51 //
52 // CLASS DEFINITION
53 //
54 //=================================================================================================
55 
56 //*************************************************************************************************
61 template< typename T >
62 struct IsCrossExprHelper
63 {
64  private:
65  //**********************************************************************************************
66  static T* create();
67 
68  template< typename VT >
69  static TrueType test( const CrossExpr<VT>* );
70 
71  template< typename VT >
72  static TrueType test( const volatile CrossExpr<VT>* );
73 
74  static FalseType test( ... );
75  //**********************************************************************************************
76 
77  public:
78  //**********************************************************************************************
79  using Type = decltype( test( create() ) );
80  //**********************************************************************************************
81 };
83 //*************************************************************************************************
84 
85 
86 //*************************************************************************************************
98 template< typename T >
100  : public IsCrossExprHelper<T>::Type
101 {};
102 //*************************************************************************************************
103 
104 
105 //*************************************************************************************************
110 template< typename T >
111 struct IsCrossExpr<T&>
112  : public FalseType
113 {};
115 //*************************************************************************************************
116 
117 
118 //*************************************************************************************************
131 template< typename T >
133 //*************************************************************************************************
134 
135 } // namespace blaze
136 
137 #endif
BoolConstant< false > FalseType
Type/value traits base class.The FalseType class is used as base class for type traits and value trai...
Definition: FalseType.h:61
constexpr bool IsCrossExpr_v
Auxiliary variable template for the IsCrossExpr type trait.The IsCrossExpr_v variable template provid...
Definition: IsCrossExpr.h:132
Header file for the FalseType type/value trait base class.
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:71
Compile time check whether the given type is a cross product expression template.This type trait clas...
Definition: IsCrossExpr.h:99
BoolConstant< true > TrueType
Type traits base class.The TrueType class is used as base class for type traits and value traits that...
Definition: TrueType.h:61
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the CrossExpr base class.
Header file for the TrueType type/value trait base class.