Blaze 3.9
HasExp.h
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1//=================================================================================================
33//=================================================================================================
34
35#ifndef _BLAZE_MATH_TYPETRAITS_HASEXP_H_
36#define _BLAZE_MATH_TYPETRAITS_HASEXP_H_
37
38
39//*************************************************************************************************
40// Includes
41//*************************************************************************************************
42
43#include <utility>
46#include <blaze/util/EnableIf.h>
49
50
51namespace blaze {
52
53//=================================================================================================
54//
55// CLASS DEFINITION
56//
57//=================================================================================================
58
59//*************************************************************************************************
64template< typename T, typename = void >
65struct HasExpHelper
66 : public FalseType
67{};
69//*************************************************************************************************
70
71
72//*************************************************************************************************
77template< typename T >
78struct HasExpHelper< T, Void_t< decltype( exp( std::declval<T>() ) ) > >
79 : public TrueType
80{};
82//*************************************************************************************************
83
84
85//*************************************************************************************************
106template< typename T, typename = void >
107struct HasExp
108 : public HasExpHelper<T>
109{};
110//*************************************************************************************************
111
112
113//*************************************************************************************************
118template< typename T >
119struct HasExp< T, EnableIf_t< IsVector_v<T> > >
120 : public HasExp< typename T::ElementType >
121{};
123//*************************************************************************************************
124
125
126//*************************************************************************************************
131template< typename T >
132struct HasExp< T, EnableIf_t< IsMatrix_v<T> > >
133 : public HasExp< typename T::ElementType >
134{};
136//*************************************************************************************************
137
138
139//*************************************************************************************************
152template< typename T >
153constexpr bool HasExp_v = HasExp<T>::value;
154//*************************************************************************************************
155
156} // namespace blaze
157
158#endif
Header file for the EnableIf class template.
Header file for the IntegralConstant class template.
Header file for the IsMatrix type trait.
Header file for the IsVector type trait.
decltype(auto) exp(const DenseMatrix< MT, SO > &dm)
Computes for each single element of the dense matrix dm.
Definition: DMatMapExpr.h:1801
constexpr bool HasExp_v
Auxiliary variable template for the HasExp type trait.
Definition: HasExp.h:153
constexpr bool IsVector_v
Auxiliary variable template for the IsVector type trait.
Definition: IsVector.h:125
constexpr bool IsMatrix_v
Auxiliary variable template for the IsMatrix type trait.
Definition: IsMatrix.h:124
void Void_t
Compile time type check.
Definition: Void.h:64
BoolConstant< true > TrueType
Type traits base class.
Definition: IntegralConstant.h:132
BoolConstant< false > FalseType
Type/value traits base class.
Definition: IntegralConstant.h:121
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.
Definition: EnableIf.h:138
Availability of the exp() operation for the given data types.
Definition: HasExp.h:109
Header file for the Void type trait.