HasConj.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_HASCONJ_H_
36 #define _BLAZE_MATH_TYPETRAITS_HASCONJ_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <utility>
46 #include <blaze/util/EnableIf.h>
47 #include <blaze/util/FalseType.h>
48 #include <blaze/util/TrueType.h>
50 
51 
52 namespace blaze {
53 
54 //=================================================================================================
55 //
56 // CLASS DEFINITION
57 //
58 //=================================================================================================
59 
60 //*************************************************************************************************
65 template< typename T, typename = void >
66 struct HasConjHelper
67  : public FalseType
68 {};
70 //*************************************************************************************************
71 
72 
73 //*************************************************************************************************
78 template< typename T >
79 struct HasConjHelper< T, Void_t< decltype( conj( std::declval<T>() ) ) > >
80  : public TrueType
81 {};
83 //*************************************************************************************************
84 
85 
86 //*************************************************************************************************
107 template< typename T, typename = void >
108 struct HasConj
109  : public HasConjHelper<T>
110 {};
111 //*************************************************************************************************
112 
113 
114 //*************************************************************************************************
119 template< typename T >
120 struct HasConj< T, EnableIf_t< IsVector_v<T> > >
121  : public HasConj< typename T::ElementType >
122 {};
124 //*************************************************************************************************
125 
126 
127 //*************************************************************************************************
132 template< typename T >
133 struct HasConj< T, EnableIf_t< IsMatrix_v<T> > >
134  : public HasConj< typename T::ElementType >
135 {};
137 //*************************************************************************************************
138 
139 
140 //*************************************************************************************************
153 template< typename T >
154 constexpr bool HasConj_v = HasConj<T>::value;
155 //*************************************************************************************************
156 
157 } // namespace blaze
158 
159 #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
Header file for the Void type trait.
constexpr bool IsMatrix_v
Auxiliary variable template for the IsMatrix type trait.The IsMatrix_v variable template provides a c...
Definition: IsMatrix.h:139
Header file for the FalseType type/value trait base class.
void Void_t
Compile time type check.This type trait maps an arbitrary sequence of types to the type void...
Definition: Void.h:64
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
STL namespace.
Header file for the IsMatrix type trait.
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.The EnableIf_t alias declaration provides a convenient...
Definition: EnableIf.h:138
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
constexpr bool IsVector_v
Auxiliary variable template for the IsVector type trait.The IsVector_v variable template provides a c...
Definition: IsVector.h:140
Header file for the IsVector type trait.
Header file for the EnableIf class template.
Availability of the conj() operation for the given data types.This type trait provides the informatio...
Definition: HasConj.h:108
constexpr bool HasConj_v
Auxiliary variable template for the HasConj type trait.The HasConj_v variable template provides a con...
Definition: HasConj.h:154
decltype(auto) conj(const DenseMatrix< MT, SO > &dm)
Returns a matrix containing the complex conjugate of each single element of dm.
Definition: DMatMapExpr.h:1326
Header file for the TrueType type/value trait base class.