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

#include <SpecialFunctionsImpl.h>

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

Member Function Documentation

big()

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

inlinestatic

                                                           {
    // use epsneg (1.0 - epsneg == 1.0)
    return 1.0f / (NumTraits<float>::epsilon() / 2);
  }

References oomph::SarahBL::epsilon.

biginv()

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

inlinestatic

                                                              {
    // epsneg
    return machep();
  }

References Eigen::internal::cephes_helper< Scalar >::machep().

machep()

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

inlinestatic

                                                              {
    return NumTraits<float>::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