1 /* 2 Copyright (c) 2011, Intel Corporation. All rights reserved. 3 4 Redistribution and use in source and binary forms, with or without modification, 5 are permitted provided that the following conditions are met: 6 7 * Redistributions of source code must retain the above copyright notice, this 8 list of conditions and the following disclaimer. 9 * Redistributions in binary form must reproduce the above copyright notice, 10 this list of conditions and the following disclaimer in the documentation 11 and/or other materials provided with the distribution. 12 * Neither the name of Intel Corporation nor the names of its contributors may 13 be used to endorse or promote products derived from this software without 14 specific prior written permission. 15 16 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 17 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 20 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 23 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 25 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 27 ******************************************************************************** 28 * Content : Eigen bindings to Intel(R) MKL 29 * Include file with common MKL declarations 30 ******************************************************************************** 31 */ 32 33 #ifndef EIGEN_MKL_SUPPORT_H 34 #define EIGEN_MKL_SUPPORT_H 35 36 #ifdef EIGEN_USE_MKL_ALL 37 #ifndef EIGEN_USE_BLAS 38 #define EIGEN_USE_BLAS 39 #endif 40 #ifndef EIGEN_USE_LAPACKE 41 #define EIGEN_USE_LAPACKE 42 #endif 43 #ifndef EIGEN_USE_MKL_VML 44 #define EIGEN_USE_MKL_VML 45 #endif 46 #endif 47 48 #ifdef EIGEN_USE_LAPACKE_STRICT 49 #define EIGEN_USE_LAPACKE 50 #endif 51 52 #if defined(EIGEN_USE_BLAS) || defined(EIGEN_USE_LAPACKE) || defined(EIGEN_USE_MKL_VML) 53 #define EIGEN_USE_MKL 54 #endif 55 56 #if defined EIGEN_USE_MKL 57 58 #include <mkl.h> 59 #include <mkl_lapacke.h> 60 #define EIGEN_MKL_VML_THRESHOLD 128 61 62 namespace Eigen { 63 64 typedef std::complex<double> dcomplex; 65 typedef std::complex<float> scomplex; 66 67 namespace internal { 68 69 template<typename MKLType, typename EigenType> 70 static inline void assign_scalar_eig2mkl(MKLType& mklScalar, const EigenType& eigenScalar) { 71 mklScalar=eigenScalar; 72 } 73 74 template<typename MKLType, typename EigenType> 75 static inline void assign_conj_scalar_eig2mkl(MKLType& mklScalar, const EigenType& eigenScalar) { 76 mklScalar=eigenScalar; 77 } 78 79 template <> 80 inline void assign_scalar_eig2mkl<MKL_Complex16,dcomplex>(MKL_Complex16& mklScalar, const dcomplex& eigenScalar) { 81 mklScalar.real=eigenScalar.real(); 82 mklScalar.imag=eigenScalar.imag(); 83 } 84 85 template <> 86 inline void assign_scalar_eig2mkl<MKL_Complex8,scomplex>(MKL_Complex8& mklScalar, const scomplex& eigenScalar) { 87 mklScalar.real=eigenScalar.real(); 88 mklScalar.imag=eigenScalar.imag(); 89 } 90 91 template <> 92 inline void assign_conj_scalar_eig2mkl<MKL_Complex16,dcomplex>(MKL_Complex16& mklScalar, const dcomplex& eigenScalar) { 93 mklScalar.real=eigenScalar.real(); 94 mklScalar.imag=-eigenScalar.imag(); 95 } 96 97 template <> 98 inline void assign_conj_scalar_eig2mkl<MKL_Complex8,scomplex>(MKL_Complex8& mklScalar, const scomplex& eigenScalar) { 99 mklScalar.real=eigenScalar.real(); 100 mklScalar.imag=-eigenScalar.imag(); 101 } 102 103 } // end namespace internal 104 105 } // end namespace Eigen 106 107 #endif 108 109 #endif // EIGEN_MKL_SUPPORT_H 110
