latlong_posting_source.cc File Reference

LatLongDistancePostingSource implementation. More...

#include <config.h>
#include "xapian/geospatial.h"
#include "xapian/error.h"
#include "xapian/registry.h"
#include "net/length.h"
#include "serialise-double.h"
#include "str.h"
#include <cmath>

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Functions
static double	weight_from_distance (double dist, double k1, double k2)
static void	validate_postingsource_params (double k1, double k2)
	Validate the parameters supplied to LatLongDistancePostingSource. More...

Detailed Description

LatLongDistancePostingSource implementation.

Definition in file latlong_posting_source.cc.

Function Documentation

validate_postingsource_params()

static void validate_postingsource_params ( double  k1, double  k2  )

static

Validate the parameters supplied to LatLongDistancePostingSource.

Definition at line 58 of file latlong_posting_source.cc.

References Xapian::Internal::str().

Referenced by Xapian::LatLongDistancePostingSource::LatLongDistancePostingSource().

weight_from_distance()

static double weight_from_distance ( double  dist, double  k1, double  k2  )

static

Definition at line 41 of file latlong_posting_source.cc.

Referenced by Xapian::LatLongDistancePostingSource::get_weight(), and Xapian::LatLongDistancePostingSource::LatLongDistancePostingSource().