HasSIMDSub.h
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1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_TYPETRAITS_HASSIMDSUB_H_
36 #define _BLAZE_MATH_TYPETRAITS_HASSIMDSUB_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
44 #include <blaze/util/Complex.h>
45 #include <blaze/util/EnableIf.h>
47 #include <blaze/util/mpl/And.h>
51 
52 
53 namespace blaze {
54 
55 //=================================================================================================
56 //
57 // CLASS DEFINITION
58 //
59 //=================================================================================================
60 
61 //*************************************************************************************************
63 template< typename T1 // Type of the left-hand side operand
64  , typename T2 // Type of the right-hand side operand
65  , typename = void > // Restricting condition
66 struct HasSIMDSubHelper
67 {
68  enum : bool { value = false };
69 };
71 //*************************************************************************************************
72 
73 
74 //*************************************************************************************************
76 template< typename T1, typename T2 >
77 struct HasSIMDSubHelper< T1, T2, EnableIf_< And< IsNumeric<T1>, IsIntegral<T1>
78  , IsNumeric<T2>, IsIntegral<T2>
79  , Bool< sizeof(T1) == sizeof(T2) > > > >
80 {
81  enum : bool { value = ( bool( BLAZE_SSE2_MODE ) ) ||
82  ( bool( BLAZE_AVX2_MODE ) ) ||
83  ( bool( BLAZE_MIC_MODE ) && sizeof(T1) >= 4UL ) };
84 };
85 
86 template< typename T >
87 struct HasSIMDSubHelper< complex<T>, complex<T>, EnableIf_< And< IsNumeric<T>, IsIntegral<T> > > >
88 {
89  enum : bool { value = ( bool( BLAZE_SSE2_MODE ) ) ||
90  ( bool( BLAZE_AVX2_MODE ) ) ||
91  ( bool( BLAZE_MIC_MODE ) && sizeof(T) >= 4UL ) };
92 };
94 //*************************************************************************************************
95 
96 
97 //*************************************************************************************************
99 template<>
100 struct HasSIMDSubHelper< float, float >
101 {
102  enum : bool { value = bool( BLAZE_SSE_MODE ) ||
103  bool( BLAZE_AVX_MODE ) ||
104  bool( BLAZE_MIC_MODE ) };
105 };
106 
107 template<>
108 struct HasSIMDSubHelper< complex<float>, complex<float> >
109 {
110  enum : bool { value = bool( BLAZE_SSE_MODE ) ||
111  bool( BLAZE_AVX_MODE ) ||
112  bool( BLAZE_MIC_MODE ) };
113 };
115 //*************************************************************************************************
116 
117 
118 //*************************************************************************************************
120 template<>
121 struct HasSIMDSubHelper< double, double >
122 {
123  enum : bool { value = bool( BLAZE_SSE2_MODE ) ||
124  bool( BLAZE_AVX_MODE ) ||
125  bool( BLAZE_MIC_MODE ) };
126 };
127 
128 template<>
129 struct HasSIMDSubHelper< complex<double>, complex<double> >
130 {
131  enum : bool { value = bool( BLAZE_SSE2_MODE ) ||
132  bool( BLAZE_AVX_MODE ) ||
133  bool( BLAZE_MIC_MODE ) };
134 };
136 //*************************************************************************************************
137 
138 
139 //*************************************************************************************************
160 template< typename T1 // Type of the left-hand side operand
161  , typename T2 // Type of the right-hand side operand
162  , typename = void > // Restricting condition
163 struct HasSIMDSub : public BoolConstant< HasSIMDSubHelper< Decay_<T1>, Decay_<T2> >::value >
164 {};
165 //*************************************************************************************************
166 
167 } // namespace blaze
168 
169 #endif
Availability of a SIMD subtraction for the given data types.Depending on the available instruction se...
Definition: HasSIMDSub.h:163
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:71
#define BLAZE_MIC_MODE
Compilation switch for the MIC mode.This compilation switch enables/disables the MIC mode...
Definition: Vectorization.h:248
Header file for the IsIntegral type trait.
Header file for the And class template.
#define BLAZE_AVX2_MODE
Compilation switch for the AVX2 mode.This compilation switch enables/disables the AVX2 mode...
Definition: Vectorization.h:231
Header file for the Decay type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#define BLAZE_SSE_MODE
Compilation switch for the SSE mode.This compilation switch enables/disables the SSE mode...
Definition: Vectorization.h:129
Header file for the EnableIf class template.
Header file for the IsNumeric type trait.
#define BLAZE_AVX_MODE
Compilation switch for the AVX mode.This compilation switch enables/disables the AVX mode...
Definition: Vectorization.h:214
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:223
Header file for the IntegralConstant class template.
System settings for the SSE mode.
Header file for the complex data type.
#define BLAZE_SSE2_MODE
Compilation switch for the SSE2 mode.This compilation switch enables/disables the SSE2 mode...
Definition: Vectorization.h:146