MKL_support.h

/*
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   and/or other materials provided with the distribution.
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   be used to endorse or promote products derived from this software without
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 ********************************************************************************
 *   Content : Eigen bindings to Intel(R) MKL
 *   Include file with common MKL declarations
 ********************************************************************************
*/

#ifndef EIGEN_MKL_SUPPORT_H
#define EIGEN_MKL_SUPPORT_H

#ifdef EIGEN_USE_MKL_ALL
#ifndef EIGEN_USE_BLAS
#define EIGEN_USE_BLAS
#endif
#ifndef EIGEN_USE_LAPACKE
#define EIGEN_USE_LAPACKE
#endif
#ifndef EIGEN_USE_MKL_VML
#define EIGEN_USE_MKL_VML
#endif
#endif

#ifdef EIGEN_USE_LAPACKE_STRICT
#define EIGEN_USE_LAPACKE
#endif

#if defined(EIGEN_USE_MKL_VML) && !defined(EIGEN_USE_MKL)
#define EIGEN_USE_MKL
#endif

#if defined EIGEN_USE_MKL
#if (!defined MKL_DIRECT_CALL) && (!defined EIGEN_MKL_NO_DIRECT_CALL)
#define MKL_DIRECT_CALL
#define MKL_DIRECT_CALL_JUST_SET
#endif
#include <mkl.h>
/*Check IMKL version for compatibility: < 10.3 is not usable with Eigen*/
#ifndef INTEL_MKL_VERSION
#undef EIGEN_USE_MKL /* INTEL_MKL_VERSION is not even defined on older versions */
#elif INTEL_MKL_VERSION < \
    100305 /* the intel-mkl-103-release-notes say this was when the lapacke.h interface was added*/
#undef EIGEN_USE_MKL
#endif
#ifndef EIGEN_USE_MKL
/*If the MKL version is too old, undef everything*/
#undef EIGEN_USE_MKL_ALL
#undef EIGEN_USE_LAPACKE
#undef EIGEN_USE_MKL_VML
#undef EIGEN_USE_LAPACKE_STRICT
#undef EIGEN_USE_LAPACKE
#ifdef MKL_DIRECT_CALL_JUST_SET
#undef MKL_DIRECT_CALL
#endif
#endif
#endif

#if defined EIGEN_USE_MKL

#define EIGEN_MKL_VML_THRESHOLD 128

/* MKL_DOMAIN_BLAS, etc are defined only in 10.3 update 7 */
/* MKL_BLAS, etc are not defined in 11.2 */
#ifdef MKL_DOMAIN_ALL
#define EIGEN_MKL_DOMAIN_ALL MKL_DOMAIN_ALL
#else
#define EIGEN_MKL_DOMAIN_ALL MKL_ALL
#endif

#ifdef MKL_DOMAIN_BLAS
#define EIGEN_MKL_DOMAIN_BLAS MKL_DOMAIN_BLAS
#else
#define EIGEN_MKL_DOMAIN_BLAS MKL_BLAS
#endif

#ifdef MKL_DOMAIN_FFT
#define EIGEN_MKL_DOMAIN_FFT MKL_DOMAIN_FFT
#else
#define EIGEN_MKL_DOMAIN_FFT MKL_FFT
#endif

#ifdef MKL_DOMAIN_VML
#define EIGEN_MKL_DOMAIN_VML MKL_DOMAIN_VML
#else
#define EIGEN_MKL_DOMAIN_VML MKL_VML
#endif

#ifdef MKL_DOMAIN_PARDISO
#define EIGEN_MKL_DOMAIN_PARDISO MKL_DOMAIN_PARDISO
#else
#define EIGEN_MKL_DOMAIN_PARDISO MKL_PARDISO
#endif
#endif

#if defined(EIGEN_USE_BLAS) && !defined(EIGEN_USE_MKL)
#include "../../misc/blas.h"
#endif

// IWYU pragma: private
#include "../InternalHeaderCheck.h"

namespace Eigen {

typedef std::complex<double> dcomplex;
typedef std::complex<float> scomplex;

#if defined(EIGEN_USE_MKL)
typedef MKL_INT BlasIndex;
#else
typedef int BlasIndex;
#endif

}  // end namespace Eigen

#endif  // EIGEN_MKL_SUPPORT_H