1 //================================================================================================= 2 /*! 3 // \file blaze/math/typetraits/HasSIMDCos.h 4 // \brief Header file for the HasSIMDCos type trait 5 // 6 // Copyright (C) 2012-2020 Klaus Iglberger - All Rights Reserved 7 // 8 // This file is part of the Blaze library. You can redistribute it and/or modify it under 9 // the terms of the New (Revised) BSD License. Redistribution and use in source and binary 10 // forms, with or without modification, are permitted provided that the following conditions 11 // are met: 12 // 13 // 1. Redistributions of source code must retain the above copyright notice, this list of 14 // conditions and the following disclaimer. 15 // 2. Redistributions in binary form must reproduce the above copyright notice, this list 16 // of conditions and the following disclaimer in the documentation and/or other materials 17 // provided with the distribution. 18 // 3. Neither the names of the Blaze development group nor the names of its contributors 19 // may be used to endorse or promote products derived from this software without specific 20 // prior written permission. 21 // 22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 23 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 // OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 25 // SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 27 // TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 28 // BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 31 // DAMAGE. 32 */ 33 //================================================================================================= 34 35 #ifndef _BLAZE_MATH_TYPETRAITS_HASSIMDCOS_H_ 36 #define _BLAZE_MATH_TYPETRAITS_HASSIMDCOS_H_ 37 38 39 //************************************************************************************************* 40 // Includes 41 //************************************************************************************************* 42 43 #include <blaze/system/Vectorization.h> 44 #include <blaze/util/IntegralConstant.h> 45 #include <blaze/util/typetraits/IsDouble.h> 46 #include <blaze/util/typetraits/IsFloat.h> 47 #include <blaze/util/typetraits/RemoveCVRef.h> 48 49 50 namespace blaze { 51 52 //================================================================================================= 53 // 54 // CLASS DEFINITION 55 // 56 //================================================================================================= 57 58 //************************************************************************************************* 59 /*! \cond BLAZE_INTERNAL */ 60 /*!\brief Auxiliary alias declaration for the HasSIMDCos type trait. 61 // \ingroup math_type_traits 62 */ 63 template< typename T > // Type of the operand 64 using HasSIMDCosHelper = 65 BoolConstant< ( IsFloat_v<T> || IsDouble_v<T> ) && 66 ( bool( BLAZE_SVML_MODE ) || 67 bool( BLAZE_SLEEF_MODE ) ) && 68 ( bool( BLAZE_SSE_MODE ) || 69 bool( BLAZE_AVX_MODE ) || 70 bool( BLAZE_MIC_MODE ) || 71 bool( BLAZE_AVX512F_MODE ) ) >; 72 /*! \endcond */ 73 //************************************************************************************************* 74 75 76 //************************************************************************************************* 77 /*!\brief Availability of a SIMD cosine operation for the given data type. 78 // \ingroup math_type_traits 79 // 80 // Depending on the available instruction set (SSE, SSE2, SSE3, SSE4, AVX, AVX2, MIC, ...) and 81 // the used compiler, this type trait provides the information whether a SIMD cosine operation 82 // exists for the given data type \a T (ignoring the cv-qualifiers). In case the SIMD operation 83 // is available, the \a value member constant is set to \a true, the nested type definition 84 // \a Type is \a TrueType, and the class derives from \a TrueType. Otherwise \a value is set 85 // to \a false, \a Type is \a FalseType, and the class derives from \a FalseType. The following 86 // example assumes that the Intel SVML is available: 87 88 \code 89 blaze::HasSIMDCos< float >::value // Evaluates to 1 90 blaze::HasSIMDCos< double >::Type // Results in TrueType 91 blaze::HasSIMDCos< const double > // Is derived from TrueType 92 blaze::HasSIMDCos< unsigned int >::value // Evaluates to 0 93 blaze::HasSIMDCos< long double >::Type // Results in FalseType 94 blaze::HasSIMDCos< complex<double> > // Is derived from FalseType 95 \endcode 96 */ 97 template< typename T > // Type of the operand 98 struct HasSIMDCos 99 : public BoolConstant< HasSIMDCosHelper< RemoveCVRef_t<T> >::value > 100 {}; 101 //************************************************************************************************* 102 103 104 //************************************************************************************************* 105 /*!\brief Auxiliary variable template for the HasSIMDCos type trait. 106 // \ingroup math_type_traits 107 // 108 // The HasSIMDCos_v variable template provides a convenient shortcut to access the nested 109 // \a value of the HasSIMDCos class template. For instance, given the type \a T the following 110 // two statements are identical: 111 112 \code 113 constexpr bool value1 = blaze::HasSIMDCos<T>::value; 114 constexpr bool value2 = blaze::HasSIMDCos_v<T>; 115 \endcode 116 */ 117 template< typename T > // Type of the operand 118 constexpr bool HasSIMDCos_v = HasSIMDCos<T>::value; 119 //************************************************************************************************* 120 121 } // namespace blaze 122 123 #endif 124