InvSqrt.h
Go to the documentation of this file.
1 //=================================================================================================
33 //=================================================================================================
34 
35 #ifndef _BLAZE_MATH_FUNCTORS_INVSQRT_H_
36 #define _BLAZE_MATH_FUNCTORS_INVSQRT_H_
37 
38 
39 //*************************************************************************************************
40 // Includes
41 //*************************************************************************************************
42 
47 #include <blaze/system/Inline.h>
48 
49 
50 namespace blaze {
51 
52 //=================================================================================================
53 //
54 // CLASS DEFINITION
55 //
56 //=================================================================================================
57 
58 //*************************************************************************************************
62 struct InvSqrt
63 {
64  //**********************************************************************************************
67  explicit inline InvSqrt()
68  {}
69  //**********************************************************************************************
70 
71  //**********************************************************************************************
77  template< typename T >
78  BLAZE_ALWAYS_INLINE decltype(auto) operator()( const T& a ) const
79  {
80  return invsqrt( a );
81  }
82  //**********************************************************************************************
83 
84  //**********************************************************************************************
89  template< typename T >
90  static constexpr bool simdEnabled() { return HasSIMDInvSqrt<T>::value; }
91  //**********************************************************************************************
92 
93  //**********************************************************************************************
99  template< typename T >
100  BLAZE_ALWAYS_INLINE decltype(auto) load( const T& a ) const
101  {
103  return invsqrt( a );
104  }
105  //**********************************************************************************************
106 };
107 //*************************************************************************************************
108 
109 } // namespace blaze
110 
111 #endif
Availability of a SIMD inverse square root operation for the given data type.Depending on the availab...
Definition: HasSIMDInvSqrt.h:110
decltype(auto) BLAZE_ALWAYS_INLINE load(const T &a) const
Returns the result of the invsqrt() function for the given SIMD vector.
Definition: InvSqrt.h:100
Generic wrapper for the invsqrt() function.
Definition: InvSqrt.h:62
Header file for the SIMD inverse square root functionality.
#define BLAZE_CONSTRAINT_MUST_BE_SIMD_PACK(T)
Constraint on the data type.In case the given data type T is not a SIMD pack, a compilation error is ...
Definition: SIMDPack.h:60
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
static constexpr bool simdEnabled()
Returns whether SIMD is enabled for the specified data type T.
Definition: InvSqrt.h:90
Header file for the invsqrt shim.
Constraint on the data type.
Header file for the HasSIMDInvSqrt type trait.
InvSqrt()
Default constructor of the InvSqrt functor.
Definition: InvSqrt.h:67
decltype(auto) invsqrt(const DenseMatrix< MT, SO > &dm)
Computes the inverse square root of each single element of the dense matrix dm.
Definition: DMatMapExpr.h:1480
System settings for the inline keywords.