Eigen::internal::cephes_helper< double > Struct Reference

#include <SpecialFunctionsImpl.h>

Static Public Member Functions
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double	machep ()
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double	big ()
static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double	biginv ()

Member Function Documentation

big()

static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double Eigen::internal::cephes_helper< double >::big ( )

inlinestatic

{ return 1.0 / NumTraits<double>::epsilon(); }

References oomph::SarahBL::epsilon.

biginv()

static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double Eigen::internal::cephes_helper< double >::biginv ( )

inlinestatic

                                                               {
    // inverse of eps
    return NumTraits<double>::epsilon();
  }

References oomph::SarahBL::epsilon.

machep()

static EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE double Eigen::internal::cephes_helper< double >::machep ( )

inlinestatic

                                                               {
    return NumTraits<double>::epsilon() / 2;  // 1.0 - machep == 1.0
  }

References oomph::SarahBL::epsilon.

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The documentation for this struct was generated from the following file:

• SpecialFunctionsImpl.h