BenchUtil.h

#ifndef EIGEN_BENCH_UTIL_H
#define EIGEN_BENCH_UTIL_H

#include <Eigen/Core>
#include "BenchTimer.h"

using namespace std;
using namespace Eigen;

#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition.hpp>
#include <boost/preprocessor/seq.hpp>
#include <boost/preprocessor/array.hpp>
#include <boost/preprocessor/arithmetic.hpp>
#include <boost/preprocessor/comparison.hpp>
#include <boost/preprocessor/punctuation.hpp>
#include <boost/preprocessor/punctuation/comma.hpp>
#include <boost/preprocessor/stringize.hpp>

template <typename MatrixType>
void initMatrix_random(MatrixType& mat) __attribute__((noinline));
template <typename MatrixType>
void initMatrix_random(MatrixType& mat) {
  mat.setRandom();  // = MatrixType::random(mat.rows(), mat.cols());
}

template <typename MatrixType>
void initMatrix_identity(MatrixType& mat) __attribute__((noinline));
template <typename MatrixType>
void initMatrix_identity(MatrixType& mat) {
  mat.setIdentity();
}

#ifndef __INTEL_COMPILER
#define DISABLE_SSE_EXCEPTIONS()          \
  {                                       \
    int aux;                              \
    asm("stmxcsr   %[aux]           \n\t" \
        "orl       $32832, %[aux]   \n\t" \
        "ldmxcsr   %[aux]           \n\t" \
        :                                 \
        : [aux] "m"(aux));                \
  }
#else
#define DISABLE_SSE_EXCEPTIONS()
#endif

#ifdef BENCH_GMM
#include <gmm/gmm.h>
template <typename EigenMatrixType, typename GmmMatrixType>
void eiToGmm(const EigenMatrixType& src, GmmMatrixType& dst) {
  dst.resize(src.rows(), src.cols());
  for (int j = 0; j < src.cols(); ++j)
    for (int i = 0; i < src.rows(); ++i) dst(i, j) = src.coeff(i, j);
}
#endif

#ifdef BENCH_GSL
#include <gsl/gsl_matrix.h>
#include <gsl/gsl_linalg.h>
#include <gsl/gsl_eigen.h>
template <typename EigenMatrixType>
void eiToGsl(const EigenMatrixType& src, gsl_matrix** dst) {
  for (int j = 0; j < src.cols(); ++j)
    for (int i = 0; i < src.rows(); ++i) gsl_matrix_set(*dst, i, j, src.coeff(i, j));
}
#endif

#ifdef BENCH_UBLAS
#include <boost/numeric/ublas/matrix.hpp>
#include <boost/numeric/ublas/vector.hpp>
template <typename EigenMatrixType, typename UblasMatrixType>
void eiToUblas(const EigenMatrixType& src, UblasMatrixType& dst) {
  dst.resize(src.rows(), src.cols());
  for (int j = 0; j < src.cols(); ++j)
    for (int i = 0; i < src.rows(); ++i) dst(i, j) = src.coeff(i, j);
}
template <typename EigenType, typename UblasType>
void eiToUblasVec(const EigenType& src, UblasType& dst) {
  dst.resize(src.size());
  for (int j = 0; j < src.size(); ++j) dst[j] = src.coeff(j);
}
#endif

#endif  // EIGEN_BENCH_UTIL_H