jubatus::core::fv_converter::linear_normalization_filter Class Reference

#include <num_filter_impl.hpp>

Inheritance diagram for jubatus::core::fv_converter::linear_normalization_filter:

Collaboration diagram for jubatus::core::fv_converter::linear_normalization_filter:

Public Member Functions
double	filter (double value) const
	linear_normalization_filter (double min, double max, bool truncate)
Public Member Functions inherited from jubatus::core::fv_converter::num_filter
virtual	~num_filter ()

Private Attributes
double	max_
double	min_
bool	truncate_

Detailed Description

Definition at line 43 of file num_filter_impl.hpp.

Constructor & Destructor Documentation

jubatus::core::fv_converter::linear_normalization_filter::linear_normalization_filter ( double  min, double  max, bool  truncate  )

inline

Definition at line 45 of file num_filter_impl.hpp.

References JUBATUS_EXCEPTION, max_, and min_.

    : min_(min), max_(max), truncate_(truncate) {
    if (max_ <= min_) {
      throw JUBATUS_EXCEPTION(
          common::invalid_parameter("maximum must be bigger than mininum"));
    }
  }

Member Function Documentation

double jubatus::core::fv_converter::linear_normalization_filter::filter ( double  value ) const

inlinevirtual

Implements jubatus::core::fv_converter::num_filter.

Definition at line 55 of file num_filter_impl.hpp.

References JUBATUS_ASSERT_LT, max_, min_, and truncate_.

                                    {
    if (truncate_) {
      if (max_ < value) {
        return 1.0;
      } else if (value < min_) {
        return 0.0;
      }
    }
    JUBATUS_ASSERT_LT(min_, max_, "maximum must be bigger than minimum");
    return (value - min_) / (max_ - min_);
  }

Member Data Documentation

double jubatus::core::fv_converter::linear_normalization_filter::max_

private

Definition at line 69 of file num_filter_impl.hpp.

Referenced by filter(), and linear_normalization_filter().

double jubatus::core::fv_converter::linear_normalization_filter::min_

private

Definition at line 68 of file num_filter_impl.hpp.

Referenced by filter(), and linear_normalization_filter().

bool jubatus::core::fv_converter::linear_normalization_filter::truncate_

private

Definition at line 70 of file num_filter_impl.hpp.

Referenced by filter().

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

• jubatus/core/fv_converter/num_filter_impl.hpp