Public Member Functions
	HistogramHelper (int nbins)

	HistogramHelper (Scalar lower, Scalar upper, int nbins)

int	bin (Scalar v)

double	uniform_bin_probability (int bin)

Private Attributes
double	lower_

double	upper_

int	num_bins_

double	bin_width_

Constructor & Destructor Documentation

◆ HistogramHelper() [1/2]

template<typename Scalar , typename EnableIf = void>

HistogramHelper< Scalar, EnableIf >::HistogramHelper ( int nbins )

inline

59 : HistogramHelper(Scalar(-1), Scalar(1), nbins) {}

Scalar

SCALAR Scalar

Definition: bench_gemm.cpp:45

HistogramHelper::HistogramHelper

HistogramHelper(int nbins)

Definition: rand.cpp:59

◆ HistogramHelper() [2/2]

template<typename Scalar , typename EnableIf = void>

HistogramHelper< Scalar, EnableIf >::HistogramHelper	(	Scalar	lower,
		Scalar	upper,
		int	nbins
	)

inline

                                                          {
     lower_ = static_cast<double>(lower);
     upper_ = static_cast<double>(upper);
     num_bins_ = nbins;
     bin_width_ = (upper_ - lower_) / static_cast<double>(nbins);
   }

References HistogramHelper< Scalar, EnableIf >::bin_width_, helpers::lower(), HistogramHelper< Scalar, EnableIf >::lower_, HistogramHelper< Scalar, EnableIf >::num_bins_, and HistogramHelper< Scalar, EnableIf >::upper_.

Member Function Documentation

◆ bin()

template<typename Scalar , typename EnableIf = void>

int HistogramHelper< Scalar, EnableIf >::bin ( Scalar v )

inline

                     {
     double result = (static_cast<double>(v) - lower_) / bin_width_;
     return std::min<int>(static_cast<int>(result), num_bins_ - 1);
   }

References HistogramHelper< Scalar, EnableIf >::bin_width_, HistogramHelper< Scalar, EnableIf >::lower_, HistogramHelper< Scalar, EnableIf >::num_bins_, and v.

Referenced by check_histogram(), HistogramHelper< Scalar, EnableIf >::uniform_bin_probability(), and HistogramHelper< Scalar, std::enable_if_t< Eigen::NumTraits< Scalar >::IsInteger > >::uniform_bin_probability().

◆ uniform_bin_probability()

template<typename Scalar , typename EnableIf = void>

double HistogramHelper< Scalar, EnableIf >::uniform_bin_probability ( int bin )

inline

                                           {
     double range = upper_ - lower_;
     if (bin < num_bins_ - 1) {
       return bin_width_ / range;
     }
     return (upper_ - (lower_ + double(bin) * bin_width_)) / range;
   }