Blaze  3.6
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>
49 
50 
51 namespace blaze {
52 
53 //=================================================================================================
54 //
55 // CLASS DEFINITION
56 //
57 //=================================================================================================
58 
59 //*************************************************************************************************
64 template< typename T1, typename T2, typename = void >
65 struct HasMinHelper
66  : public FalseType
67 {};
69 //*************************************************************************************************
70 
71 
72 //*************************************************************************************************
77 template< typename T1, typename T2 >
78 struct HasMinHelper< T1, T2, Void_t< decltype( min( std::declval<T1>(), std::declval<T2>() ) ) > >
79  : public TrueType
80 {};
82 //*************************************************************************************************
83 
84 
85 //*************************************************************************************************
105 template< typename T1, typename T2, typename = void >
106 struct HasMin
107  : public HasMinHelper<T1,T2>
108 {};
109 //*************************************************************************************************
110 
111 
112 //*************************************************************************************************
117 template< typename T >
118 struct HasMin< complex<T>, complex<T> >
119  : public FalseType
120 {};
122 //*************************************************************************************************
123 
124 
125 //*************************************************************************************************
130 template< typename T1, typename T2 >
131 struct HasMin< T1, T2, EnableIf_t< IsVector_v<T1> && IsVector_v<T2> > >
132  : public HasMin< typename T1::ElementType, typename T2::ElementType >
133 {};
135 //*************************************************************************************************
136 
137 
138 //*************************************************************************************************
151 template< typename T1, typename T2 >
153 //*************************************************************************************************
154 
155 } // namespace blaze
156 
157 #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
Header file for the Void type trait.
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:72
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: IntegralConstant.h:132
Availability of a min() operation for the given data types.This type trait provides the information w...
Definition: HasMin.h:106
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:1162
Header file for the IsVector type trait.
Header file for the EnableIf class template.
constexpr bool HasMin_v
Auxiliary variable template for the HasMin type trait.The HasMin_v variable template provides a conve...
Definition: HasMin.h:152
constexpr bool IsVector_v
Auxiliary variable template for the IsVector type trait.The IsVector_v variable template provides a c...
Definition: IsVector.h:139
Header file for the IntegralConstant class template.
Header file for the complex data type.