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      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_MKL_VML)
     53   #define EIGEN_USE_MKL
     54 #endif
     55 
     56 #if defined EIGEN_USE_MKL
     57 #   include <mkl.h>
     58 /*Check IMKL version for compatibility: < 10.3 is not usable with Eigen*/
     59 #   ifndef INTEL_MKL_VERSION
     60 #       undef EIGEN_USE_MKL /* INTEL_MKL_VERSION is not even defined on older versions */
     61 #   elif INTEL_MKL_VERSION < 100305    /* the intel-mkl-103-release-notes say this was when the lapacke.h interface was added*/
     62 #       undef EIGEN_USE_MKL
     63 #   endif
     64 #   ifndef EIGEN_USE_MKL
     65     /*If the MKL version is too old, undef everything*/
     66 #       undef   EIGEN_USE_MKL_ALL
     67 #       undef   EIGEN_USE_LAPACKE
     68 #       undef   EIGEN_USE_MKL_VML
     69 #       undef   EIGEN_USE_LAPACKE_STRICT
     70 #       undef   EIGEN_USE_LAPACKE
     71 #   endif
     72 #endif
     73 
     74 #if defined EIGEN_USE_MKL
     75 
     76 #define EIGEN_MKL_VML_THRESHOLD 128
     77 
     78 /* MKL_DOMAIN_BLAS, etc are defined only in 10.3 update 7 */
     79 /* MKL_BLAS, etc are not defined in 11.2 */
     80 #ifdef MKL_DOMAIN_ALL
     81 #define EIGEN_MKL_DOMAIN_ALL MKL_DOMAIN_ALL
     82 #else
     83 #define EIGEN_MKL_DOMAIN_ALL MKL_ALL
     84 #endif
     85 
     86 #ifdef MKL_DOMAIN_BLAS
     87 #define EIGEN_MKL_DOMAIN_BLAS MKL_DOMAIN_BLAS
     88 #else
     89 #define EIGEN_MKL_DOMAIN_BLAS MKL_BLAS
     90 #endif
     91 
     92 #ifdef MKL_DOMAIN_FFT
     93 #define EIGEN_MKL_DOMAIN_FFT MKL_DOMAIN_FFT
     94 #else
     95 #define EIGEN_MKL_DOMAIN_FFT MKL_FFT
     96 #endif
     97 
     98 #ifdef MKL_DOMAIN_VML
     99 #define EIGEN_MKL_DOMAIN_VML MKL_DOMAIN_VML
    100 #else
    101 #define EIGEN_MKL_DOMAIN_VML MKL_VML
    102 #endif
    103 
    104 #ifdef MKL_DOMAIN_PARDISO
    105 #define EIGEN_MKL_DOMAIN_PARDISO MKL_DOMAIN_PARDISO
    106 #else
    107 #define EIGEN_MKL_DOMAIN_PARDISO MKL_PARDISO
    108 #endif
    109 #endif
    110 
    111 namespace Eigen {
    112 
    113 typedef std::complex<double> dcomplex;
    114 typedef std::complex<float>  scomplex;
    115 
    116 #if defined(EIGEN_USE_MKL)
    117 typedef MKL_INT BlasIndex;
    118 #else
    119 typedef int BlasIndex;
    120 #endif
    121 
    122 } // end namespace Eigen
    123 
    124 #if defined(EIGEN_USE_BLAS)
    125 #include "../../misc/blas.h"
    126 #endif
    127 
    128 #endif // EIGEN_MKL_SUPPORT_H
    129