HasMin.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_HASMIN_H_
36 #define _BLAZE_MATH_TYPETRAITS_HASMIN_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
43 #include <utility>
45 #include <blaze/util/Complex.h>
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 T1, typename T2, typename = void >
66 struct HasMinHelper
67  : public FalseType
68 {};
70 //*************************************************************************************************
71 
72 
73 //*************************************************************************************************
78 template< typename T1, typename T2 >
79 struct HasMinHelper< T1, T2, Void_t< decltype( min( std::declval<T1>(), std::declval<T2>() ) ) > >
80  : public TrueType
81 {};
83 //*************************************************************************************************
84 
85 
86 //*************************************************************************************************
106 template< typename T1, typename T2, typename = void >
107 struct HasMin
108  : public HasMinHelper<T1,T2>
109 {};
110 //*************************************************************************************************
111 
112 
113 //*************************************************************************************************
118 template< typename T >
119 struct HasMin< complex<T>, complex<T> >
120  : public FalseType
121 {};
123 //*************************************************************************************************
124 
125 
126 //*************************************************************************************************
131 template< typename T1, typename T2 >
132 struct HasMin< T1, T2, EnableIf_t< IsVector_v<T1> && IsVector_v<T2> > >
133  : public HasMin< typename T1::ElementType, typename T2::ElementType >
134 {};
136 //*************************************************************************************************
137 
138 
139 //*************************************************************************************************
152 template< typename T1, typename T2 >
154 //*************************************************************************************************
155 
156 } // namespace blaze
157 
158 #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.
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
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
Availability of a min() operation for the given data types.This type trait provides the information w...
Definition: HasMin.h:107
constexpr bool HasMin_v
Auxiliary variable template for the HasMin type trait.The HasMin_v variable template provides a conve...
Definition: HasMin.h:153
STL namespace.
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
decltype(auto) min(const DenseMatrix< MT1, SO1 > &lhs, const DenseMatrix< MT2, SO2 > &rhs)
Computes the componentwise minimum of the dense matrices lhs and rhs.
Definition: DMatDMatMapExpr.h:1147
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.
Header file for the complex data type.
Header file for the TrueType type/value trait base class.