1 | /*
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2 | Copyright (c) 2011, Intel Corporation. All rights reserved.
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3 |
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4 | Redistribution and use in source and binary forms, with or without modification,
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5 | are permitted provided that the following conditions are met:
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6 |
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7 | * Redistributions of source code must retain the above copyright notice, this
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8 | list of conditions and the following disclaimer.
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9 | * Redistributions in binary form must reproduce the above copyright notice,
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10 | this list of conditions and the following disclaimer in the documentation
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11 | and/or other materials provided with the distribution.
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12 | * Neither the name of Intel Corporation nor the names of its contributors may
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13 | be used to endorse or promote products derived from this software without
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14 | specific prior written permission.
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15 |
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16 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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17 | ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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18 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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19 | DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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20 | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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21 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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22 | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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23 | ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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24 | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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25 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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26 |
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27 | ********************************************************************************
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28 | * Content : Eigen bindings to Intel(R) MKL
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29 | * Include file with common MKL declarations
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30 | ********************************************************************************
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31 | */
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32 |
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33 | #ifndef EIGEN_MKL_SUPPORT_H
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34 | #define EIGEN_MKL_SUPPORT_H
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35 |
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36 | #ifdef EIGEN_USE_MKL_ALL
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37 | #ifndef EIGEN_USE_BLAS
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38 | #define EIGEN_USE_BLAS
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39 | #endif
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40 | #ifndef EIGEN_USE_LAPACKE
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41 | #define EIGEN_USE_LAPACKE
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42 | #endif
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43 | #ifndef EIGEN_USE_MKL_VML
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44 | #define EIGEN_USE_MKL_VML
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45 | #endif
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46 | #endif
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47 |
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48 | #ifdef EIGEN_USE_LAPACKE_STRICT
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49 | #define EIGEN_USE_LAPACKE
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50 | #endif
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51 |
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52 | #if defined(EIGEN_USE_BLAS) || defined(EIGEN_USE_LAPACKE) || defined(EIGEN_USE_MKL_VML)
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53 | #define EIGEN_USE_MKL
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54 | #endif
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55 |
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56 | #if defined EIGEN_USE_MKL
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57 | # include <mkl.h>
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58 | /*Check IMKL version for compatibility: < 10.3 is not usable with Eigen*/
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59 | # ifndef INTEL_MKL_VERSION
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60 | # undef EIGEN_USE_MKL /* INTEL_MKL_VERSION is not even defined on older versions */
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61 | # elif INTEL_MKL_VERSION < 100305 /* the intel-mkl-103-release-notes say this was when the lapacke.h interface was added*/
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62 | # undef EIGEN_USE_MKL
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63 | # endif
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64 | # ifndef EIGEN_USE_MKL
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65 | /*If the MKL version is too old, undef everything*/
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66 | # undef EIGEN_USE_MKL_ALL
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67 | # undef EIGEN_USE_BLAS
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68 | # undef EIGEN_USE_LAPACKE
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69 | # undef EIGEN_USE_MKL_VML
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70 | # undef EIGEN_USE_LAPACKE_STRICT
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71 | # undef EIGEN_USE_LAPACKE
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72 | # endif
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73 | #endif
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74 |
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75 | #if defined EIGEN_USE_MKL
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76 | #include <mkl_lapacke.h>
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77 | #define EIGEN_MKL_VML_THRESHOLD 128
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78 |
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79 | /* MKL_DOMAIN_BLAS, etc are defined only in 10.3 update 7 */
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80 | /* MKL_BLAS, etc are not defined in 11.2 */
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81 | #ifdef MKL_DOMAIN_ALL
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82 | #define EIGEN_MKL_DOMAIN_ALL MKL_DOMAIN_ALL
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83 | #else
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84 | #define EIGEN_MKL_DOMAIN_ALL MKL_ALL
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85 | #endif
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86 |
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87 | #ifdef MKL_DOMAIN_BLAS
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88 | #define EIGEN_MKL_DOMAIN_BLAS MKL_DOMAIN_BLAS
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89 | #else
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90 | #define EIGEN_MKL_DOMAIN_BLAS MKL_BLAS
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91 | #endif
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92 |
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93 | #ifdef MKL_DOMAIN_FFT
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94 | #define EIGEN_MKL_DOMAIN_FFT MKL_DOMAIN_FFT
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95 | #else
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96 | #define EIGEN_MKL_DOMAIN_FFT MKL_FFT
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97 | #endif
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98 |
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99 | #ifdef MKL_DOMAIN_VML
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100 | #define EIGEN_MKL_DOMAIN_VML MKL_DOMAIN_VML
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101 | #else
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102 | #define EIGEN_MKL_DOMAIN_VML MKL_VML
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103 | #endif
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104 |
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105 | #ifdef MKL_DOMAIN_PARDISO
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106 | #define EIGEN_MKL_DOMAIN_PARDISO MKL_DOMAIN_PARDISO
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107 | #else
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108 | #define EIGEN_MKL_DOMAIN_PARDISO MKL_PARDISO
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109 | #endif
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110 |
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111 | namespace Eigen {
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112 |
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113 | typedef std::complex<double> dcomplex;
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114 | typedef std::complex<float> scomplex;
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115 |
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116 | namespace internal {
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117 |
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118 | template<typename MKLType, typename EigenType>
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119 | static inline void assign_scalar_eig2mkl(MKLType& mklScalar, const EigenType& eigenScalar) {
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120 | mklScalar=eigenScalar;
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121 | }
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122 |
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123 | template<typename MKLType, typename EigenType>
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124 | static inline void assign_conj_scalar_eig2mkl(MKLType& mklScalar, const EigenType& eigenScalar) {
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125 | mklScalar=eigenScalar;
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126 | }
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127 |
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128 | template <>
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129 | inline void assign_scalar_eig2mkl<MKL_Complex16,dcomplex>(MKL_Complex16& mklScalar, const dcomplex& eigenScalar) {
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130 | mklScalar.real=eigenScalar.real();
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131 | mklScalar.imag=eigenScalar.imag();
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132 | }
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133 |
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134 | template <>
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135 | inline void assign_scalar_eig2mkl<MKL_Complex8,scomplex>(MKL_Complex8& mklScalar, const scomplex& eigenScalar) {
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136 | mklScalar.real=eigenScalar.real();
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137 | mklScalar.imag=eigenScalar.imag();
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138 | }
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139 |
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140 | template <>
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141 | inline void assign_conj_scalar_eig2mkl<MKL_Complex16,dcomplex>(MKL_Complex16& mklScalar, const dcomplex& eigenScalar) {
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142 | mklScalar.real=eigenScalar.real();
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143 | mklScalar.imag=-eigenScalar.imag();
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144 | }
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145 |
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146 | template <>
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147 | inline void assign_conj_scalar_eig2mkl<MKL_Complex8,scomplex>(MKL_Complex8& mklScalar, const scomplex& eigenScalar) {
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148 | mklScalar.real=eigenScalar.real();
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149 | mklScalar.imag=-eigenScalar.imag();
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150 | }
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151 |
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152 | } // end namespace internal
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153 |
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154 | } // end namespace Eigen
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155 |
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156 | #endif
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157 |
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158 | #endif // EIGEN_MKL_SUPPORT_H
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